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P Index of Mineral Species

This alphabetical listing of P minerals include synonyms of accepted mineral names, pronunciation of that name, name origins, and locality information. Visit our expanded selection of mineral pictures.

P Veatchite *  (see Veatchite-p ) See Also: GOOGLE, Athena, MinDAT, MinMax Paakkonenite     Sb2AsS2 NAME ORIGIN: Named for Viekko Paakkonen, who studied the ore deposits of the region. Paarite !     Cu1.7Pb1.7Bi6.3S12 NAME ORIGIN: Named for. W. Paar (Salzburg) of the University of Copenhagen and the University of Salzburg. Pabstite     Ba(Sn,Ti)Si3O9 NAME ORIGIN: Named for Adolph Pabst (1899-1990), American mineralogist, University of California at Berekey Paceite !     CaCu(CH3COO)4 • 6(H2O) NAME ORIGIN: Named for Frank L Pace (1948-), who discovered the mineral. Pachnolite     NaCaAlF6 • (H2O) Paderaite     AgPb2Cu6Bi11S22 NAME ORIGIN: Named for K. Padera, Charles University, Prague, Czechoslovakia. Padmaite     PdBiSe Paganoite !     (Ni,Co)BiAsO5 NAME ORIGIN: Named for Renato (1938-) and Adriana (1939-) Pagano, amateur mineralogists from Cinisello, Milan, Italy. Pahasapaite     Li8(Ca,Li,K,Na)11Be24(PO4)24 • 38(H2O) NAME ORIGIN: From Pahasapa, the Lakota Sioux word for Black Hills, South Dakota, USA. Painite     CaZrB[Al9O18] NAME ORIGIN: Named for A. C. D. Pain (-1971), British gem collector who first noticed the mineral. Palarstanide     Pd8(Sn,As)3 NAME ORIGIN: Named for its composition (Palladium, Arsenic, Stannum(tin)). Palenzonaite     (Ca,Na)3Mn++(V+++++,As+++++,Si)3O12 NAME ORIGIN: Named for Andrea Palenzona, amateur mineralogist and discoverer of the mineral. Palermoite     (Sr,Ca)(Li,Na)2Al4(PO4)4(OH)4 NAME ORIGIN: Named for the locality. LOCALITY: Palermon No. 1 mine, North Groton, New Hampshire, USA. Palladium     Pd,Pt NAME ORIGIN: After the asteroid "Pallas" Palladoarsenide     Pd2As NAME ORIGIN: Named for the composition. Palladobismutharsenide     Pd2(As,Bi) NAME ORIGIN: Named for the composition (Pd, Bi, As). Palladodymite !     (Pd,Rh)2As NAME ORIGIN: From (pallad)ium and the Greek for twin as it is the palladium-dominat analogue of rhodarsenide. Palladseite     Pd17Se15 NAME ORIGIN: Named for the composition, PALLADium and SElenium. Palmierite     (K,Na)2Pb(SO4)2 Palygorskite     (Mg,Al)2Si4O10(OH) • 4(H2O) NAME ORIGIN: Named after a deposit in the Ural Mountains, Russia. Panasqueiraite     CaMg(PO4)(OH,F) Pandaite *  (see Bariopyrochlore ) See Also: GOOGLE, Athena, MinDAT, MinMax Pandaite *  (see Kesterite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pandermite *  (see Priceite ) See Also: GOOGLE, Athena, MinDAT, MinMax Panethite     (Na,Ca,K)2(Mg,Fe++,Mn)2(PO4)2 NAME ORIGIN: Named for Friedrich Adolph Paneth (1887-1958), director of the Max-Planck Institute of Chemistry, Mainz, Germay. Panunzite     (K,Na)AlSiO4 Paolovite     Pd2Sn NAME ORIGIN: Named for the composition, PAlladium and OLOVo, tin (in russian). Papagoite     CaCuAlSi2O6(OH)3 NAME ORIGIN: Named after the papago indian tribe, Arizona, USA. Para-alumohydrocalcite     CaAl2(CO3)2(OH)4 • 6(H2O) NAME ORIGIN: Named after its relationship with alumohydrocalcite. Parabariomicrolite     BaTa4O10(OH)2 • 2H20 Parabrandtite     Ca2Mn++(AsO4) • 2(H2O) NAME ORIGIN: Named for its dimorphic relationship to brandtite. Parabutlerite     Fe+++(SO4)(OH) • 2(H2O) NAME ORIGIN: Named from the Greek para, and it's dimorph, bulterite, Paracelsian     BaAl2Si2O8 Parachrysotile     Mg3Si2O5(OH)4 NAME ORIGIN: Named for the crystal structure and the relationship to chrysotile which is from the Greek chrysos - "gold" and tilos - "fiber." Paracoquimbite     Fe+++2(SO4)3 • 9(H2O) Paracostibite     CoSbS NAME ORIGIN: Named for the chemical composition and probable structural relationship to pararammelsbergite. Paradamite     Zn2(AsO4)(OH) NAME ORIGIN: Named as the dimorph of adamite. Paradocrasite     Sb2(Sb,As)2 NAME ORIGIN: Named from the Greek for "unexpected alloy" Parafransoletite     Ca3Be2(PO4)2(PO3,OH)2 • 4(H2O) NAME ORIGIN: Named for it's dimorphous relatinship with fransoltite. Paragonite     NaAl2(Si3Al)O10(OH)2 NAME ORIGIN: Named from the Greek for "to mislead", in allusion to its originally having been mistaken for talc. Paraguanajuatite     Bi2(Se,S)3 NAME ORIGIN: Named for the supposed relationship to guanajuatite. Parahopeite     Zn3(PO4)2 • 4(H2O) NAME ORIGIN: Named for it's dimorphic relationship to hopeite. Parajamesonite     Pb4FeSb6S14 NAME ORIGIN: Named as a dimorph of jamesonite. Parakeldyshite     Na2ZrSi2O7 Parakhinite     Cu++3PbTe++++++O4(OH)6 NAME ORIGIN: Named in allusion to its dimorphous relationship to khinite. Parakuzmenkoite-Fe !     (K,Ba)2Fe(Ti,Nb)4(Si4O12)2(O,OH)4 • 7(H2O) NAME ORIGIN: Named as the Fe-dominant analog of kuzmenkoite-Mn with a doubled c-axis. Paralabuntsovite-Mg !     Na8K8Mg8Ti16(Si4O12)8(O,OH)16 • n(H2O) Paralaurionite     PbCl(OH) NAME ORIGIN: Named from its similarity to laurionite. Paralstonite     BaCa(CO3)2 Paramelaconite     Cu+2Cu++2O3 Paramendozavilite     NaAl4Fe+++7(PO4)5(P+++++Mo++++++12O40)(OH)16 • 56(H2O) NAME ORIGIN: Named for the similarity to mendozavilite. Paramontroseite     VO2 Paranatisite     Na2[TiO(SiO4)] NAME ORIGIN: From the Greek para, for near, and its relation to natisite. Paranatrolite     Na2[Al2Si3O10] • 3(H2O) NAME ORIGIN: The name given in 1980 recognizes its association with and similarity in chemical composition to natrolite. Paraniite-(Y)     Ca2Y(AsO4)(WO4)2 Paraotwayite     Ni(OH)2-x(SO4,CO3)0.5x x=.5 NAME ORIGIN: Named for its close physical and chemical resemblance to otwayite. Parapierrotite     Tl(Sb,As)5S8 NAME ORIGIN: Named for its relationship to pierrotite. Pararammelsbergite     NiAs2 NAME ORIGIN: From the Greek, para -"similar" and the mineral Rammelsbergite named after the German chemist and mineralogist, K. F. Rammelsberg (1813-1899). Pararealgar     AsS NAME ORIGIN: Named for its chemical identity with realgar. Pararobertsite     Ca2Mn+++3(PO4)3O2 • 3(H2O) Pararsenolamprite !     As NAME ORIGIN: Named for the dimorphous relationship with arsenolamprite. Paraschachnerite     Ag3Hg2 NAME ORIGIN: Named for its relationship to schachnerite. Paraschoepite     UO3 • 2(H2O) (?) NAME ORIGIN: Named as a polymorph of schoepite. Parascholzite     CaZn2(PO4)2 • 2(H2O) NAME ORIGIN: Named for its dimorphic relationship to scholzite. Parascorodite !     Fe+++AsO4 • 2(H2O) NAME ORIGIN: From Gk. para, near, and scorodite, with which it has a dimorphic relationship. Parasibirskite !     Ca2B2O5 • (H2O) NAME ORIGIN: For it's relationship to sibirskite. Paraspurrite     Ca5(SiO4)2(CO3) NAME ORIGIN: Named because of it's similarity to spurrite. Parasymplesite     Fe++3(AsO4)2 • 8(H2O) NAME ORIGIN: Named from the Greek "to bring together", in allusion to its relations to other minerals. Dimorphous with symplesite. Paratacamite     (Cu,Zn)2(OH)3Cl NAME ORIGIN: Named for the dimorphous relationship with atacamite. Paratacamite *  (see Atacamite ) See Also: GOOGLE, Athena, MinDAT, MinMax Paratellurite     TeO2 NAME ORIGIN: Named for it's dimorphous relationship with tellurite. Paratsepinite-Ba !     (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2 • 4(H2O) NAME ORIGIN: Named for the relationship to tsepinite-Na. Paratsepinite-Na !     (Na,Sr,K,Ca)7(Ti,Nb)8[Si4O12]4(O,OH)8 • n(H2O) n ~ 8 NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Paraumbite     K3Zr2HSi6O18 • n(H2O) n=3 to 7 NAME ORIGIN: Named for the close structural similarity to umbite. Paravauxite     Fe++Al2(PO4)2(OH)2 • 8(H2O) NAME ORIGIN: Named for the chemical similarity to vauxite. Polymorph of metavauxite. Paravinogradovite !     (Na,[ ])2(Ti,Fe+++)4(Si2O6)2(Si3AlO10)(OH)4 • H2O NAME ORIGIN: Named for the relationship to vinogradovite. Parawollastonite *  (see Wollastonite-2M ) See Also: GOOGLE, Athena, MinDAT, MinMax Pargasite     NaCa2(Mg,Fe++)4Al(Si6Al2)O22(OH)2 NAME ORIGIN: Named after its locality. LOCALITY: Pargas, Finland. Pargasite-K *  (see Potassicpargasite ) See Also: GOOGLE, Athena, MinDAT, MinMax Parisite-(Ce)     Ca(Ce,La)2(CO3)3F2 NAME ORIGIN: Named for J. J. Paris, mine proprietor at Muzo, north of Bogota, Columbia. Parisite-(Nd)     Ca(Nd,Ce,La)2(CO3)3F2 NAME ORIGIN: Named as the Nd-rich end member of the parisite series, named for J. J. Paris, mine proprietor at Muzon, north of Bogota, Columbia. Parkerite     Ni3(Bi,Pb)2S2 NAME ORIGIN: Named for Robert Luling Parker (1893-1973), Zurich, Switzerland. Parkinsonite     (Pb,Mo,[ ])8O8Cl2 NAME ORIGIN: Named after Reginald F. D. Parkinson, English mineral collector from Somerset. Parnauite     Cu9(AsO4)2(SO4)(OH)10 • 7(H2O) NAME ORIGIN: Named for John L. Parnau (1906-1990), U.S. Mineral collector who discovered the mineral. Parsettensite     (K,Na,Ca)(Mn,Al)7Si8O20(OH)8 • 2(H2O) (?) NAME ORIGIN: Named after its locality. LOCALITY: Parsettens Alp, Val d'Err, Grisons, Switzerland. Parsonsite     Pb2(UO2)(PO4)2 • 2(H2O) NAME ORIGIN: Named for Arthur Leonard Parsons (1873-1957), mineralogist, University of Toronto, Canada. Partheite     Ca2Al4Si4O15(OH)2 • 4(H2O) NAME ORIGIN: Named for Erwin Parthe (1928-), crystallographer at the University of Geneva. Partzite     Cu2Sb2(O,OH)7 (?) NAME ORIGIN: Named for A. F. W. Partz, who discovered the mineral. Parvowinchite     Na(NaMn++)(Mg4Fe+++)Si8O22(OH)2 NAME ORIGIN: Renamed IMA 1997 as the Mn analog of cummintonite, Formerly Tirodite which was named after its locality. LOCALITY: Tirodi, Madhya Pradesh, India. Parwelite     (Mn,Mg)5Sb(As,Si)2O12 NAME ORIGIN: Named for Alexander Parwel, Swedish chemist, Swedish National History Museum, Stockholm, Sweden. Pascoite     Ca3V10O28 • 17(H2O) NAME ORIGIN: Named for the locality LOCALITY: Minasragra, Pasco Province, Peru. Patronite     VS4 NAME ORIGIN: Named for Antenor Rizo-Patron, Peruvian engineer, discoverer of the Peruvian occurrence. Paulingite *  (see Paulingite-K ) See Also: GOOGLE, Athena, MinDAT, MinMax Paulingite-Ca !     (Ca,K,Na,Ba)5[Al10Si35O84] • 34(H2O) NAME ORIGIN: Named after Linus Carl Pauling (1901-1994), professor of chemistry, California Institute of Technology, Pasadena, CA, USA. Paulingite-K     (K2,Ca,Na2,Ba)5Al10Si35O90 • 45(H2O) NAME ORIGIN: Named after Linus Carl Pauling (1901-1994), professor of chemistry, California Institute of Technology, Pasadena, CA, USA. K modifier added by zeolite nomenclature committee. Paulingite-Na !     (Na2,K2,Ca,Ba)5Al10Si35O90 • 45(H2O) NAME ORIGIN: Named after Linus Carl Pauling (1901-1994), professor of chemistry, California Institute of Technology, Pasadena, CA, USA. Named as the Na-dominant member ot the paulingite series. Paulkellerite     Bi2Fe+++(PO4)O2(OH)2 Paulkerrite     K(Mg,Mn)2(Fe+++,Al)2Ti(PO4)4(OH)3 • 15(H2O) NAME ORIGIN: Named after Paul Francis Kerr (1897-1981), Professor of Mineralogy, Columbia University, New York City, New York, USA. Paulmooreite     Pb2As+++2O5 Pavonite     (Ag,Cu)(Bi,Pb)3S5 NAME ORIGIN: Named from the Latin "pavo", peacock, which honored Professor Martin Alfred Peacock (1898-1950), a Canadian mineralogist. Paxite     CuAs2 NAME ORIGIN: Named from the Latin "pax" for peace. PDF 20-1390 *  (see Winchite ) Pearceite     Ag16As2S11 NAME ORIGIN: Named after the American chemist, R. Pearce (1837-1927). Pecoraite     Ni3Si2O5(OH)4 Pectolite     NaCa2Si3O8(OH) NAME ORIGIN: From the Greek pektos - "compacted" and lithos - "stone." Pehrmanite *  (see Ferrotaaffeite-6N3S ) See Also: GOOGLE, Athena, MinDAT, MinMax Peisleyite     Na3Al16(SO4)2(PO4)10(OH)17 • 20(H2O) NAME ORIGIN: Named for Vincent Peisley (1941-), Australian mineral collector who found the mineral. Pekoite     PbCuBi11(S,Se)18 NAME ORIGIN: Named for its locality. LOCALITY: Peko mine, Tennant Creek, Australia. Pekovite !     SrB2Si2O8 NAME ORIGIN: Named for Igor Viktorovich Pekov (1967-), Russian mineralogist and alkaline rock expert. Pellouxite !     (Cu,Ag)Pb10Sb12S27(Cl,S)0.6O NAME ORIGIN: Named for Alberto Pelloux (1868-1948), curator of the mineralogical Museum at the University of Genova. Pellyite     Ba2Ca(Fe++,Mg)2Si6O17 NAME ORIGIN: Named for the locality. LOCALITY: Pelly and Ross River, Yukon Territories, Canada. Pendletonite *  (see Karpatite ) See Also: GOOGLE, Athena, MinDAT, MinMax Penfieldite     Pb2Cl3(OH) NAME ORIGIN: Named for Samuel L. Penfield (1856-1905), American mineralogist and mineral chemist. Pengzhizhongite-24R *  (see Magnesionigerite-6N6S ) See Also: GOOGLE, Athena, MinDAT, MinMax Pengzhizhongite-6H *  (see Magnesionigerite-2N1S ) See Also: GOOGLE, Athena, MinDAT, MinMax Pengzhizhongite-6T *  (see Magnesionigerite-2N1S ) See Also: GOOGLE, Athena, MinDAT, MinMax Penikisite     BaMg2Al2(PO4)3(OH)3 NAME ORIGIN: Named for Gunar Penikis (1936-1979), who discovered the locality. LOCALITY: Rapid Creek (Cross Cut Creek), Big fish River, Yukon Territory, Canada. Penkvilksite     Na4(Ti++++,Zr)2[Si8O22] • 4(H2O) NAME ORIGIN: Named from the Lapp "penk" and "vilkis", white and curly in allusion to its appearance. Pennantite     Mn5Al(Si3Al)O10(OH)8 Pennine *  (see Clinochlore ) See Also: GOOGLE, Athena, MinDAT, MinMax Penninite *  (see Clinochlore ) See Also: GOOGLE, Athena, MinDAT, MinMax Penobsquisite !     Ca2Fe++[B9O13(OH)6]Cl • 4(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Potash Corporation of Saskatchewan (New Brunswick Division) mine at Penobsquis, Kings County, New Brunswick, Canada. Penroseite     (Ni,Co,Cu)Se2 NAME ORIGIN: Named for Richard Alexander Fullerton Penrose, Jr. (1863-1931), American economic geologist, of Philaelphia, Pennsylvania, USA. Pentagonite     Ca(VO)Si4O10 • 4(H2O) NAME ORIGIN: Named from the Greek, penta, "five" and angle in allusion to the fiveling twins common in this species. Pentahydrite     MgSO4 • 5(H2O) NAME ORIGIN: Named from the Greek, penta, "five" and hydros "water" in allusion to the 5 water molecules in the formula. Pentahydroborite     CaB2O(OH)6 • 2(H2O) NAME ORIGIN: Named for the composition. Pentlandite     (Fe,Ni)9S8 NAME ORIGIN: Named after the Irish natural historian, J. B. Pentland (1797-1873). Penwithite *  (see Neotocite ) See Also: GOOGLE, Athena, MinDAT, MinMax Penzhinite     (Ag,Cu)4Au(S,Se)4 NAME ORIGIN: Named for the locality. LOCALITY: Penzhina River, near the Kamchatka Peninsula, Russia. Peprossiite-(Ce)     (Ce,La)(Al3O)2/3B4O10 NAME ORIGIN: Named for Giuseppe "PEP" = Rossi (1938-1990), Italian crystallographer and mineralogist. Percleveite-(Ce) !     (Ce,La,Nd)2Si2O7 NAME ORIGIN: Named for Per Theodor Cleve (1840-1905), discoverer of Holmium (Ho) and Thulium (Tm). Percylite *  (see Boleite ) See Also: GOOGLE, Athena, MinDAT, MinMax Percylite *  (see Pseudoboleite ) See Also: GOOGLE, Athena, MinDAT, MinMax Peretaite     CaSb+++4O4(OH)2(SO4)2 • 2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Pereta, Tuscany, Italy. Perhamite     Ca3Al7(SiO4)3(PO4)4(OH)3 • 16.5(H2O) NAME ORIGIN: Named for Frank C. Perham (1934-), U.S. Geologist and pegmatite miner. Periclase     MgO NAME ORIGIN: From the Greek peri - "around" and klao - "to cut." Peridot *  (see Forsterite ) See Also: GOOGLE, Athena, MinDAT, MinMax Peridot *  (see Olivine ) See Also: GOOGLE, Athena, MinDAT, MinMax Perite     PbBiO2Cl Perlialite     K8Tl4Al12Si24O72 • 20(H2O) NAME ORIGIN: Named after Lily Alekseevna Perekrest, teacher of mineralogy at the Kirovsk Mining Technical School Perloffite     Ba(Mn,Fe++)2Fe+++2(PO4)3(OH)3 NAME ORIGIN: Named for Louis Perloff (1907-), American lawyer and collector of microscopic minerals. Permanganogrunerite !     [ ]Mn4(Fe++)3(Si8O22)(OH)2 Permingeatite     Cu3SbSe4 NAME ORIGIN: Named for Francois Permingeat (1917-1988), mineralogist, University of Toulouse, France. Perofskite *  (see Perovskite ) See Also: GOOGLE, Athena, MinDAT, MinMax Perovskite     CaTiO3 NAME ORIGIN: Named after the Russian mineralogist, L. A. Perovski (1792-1856). Perraultite     (Na,Ca)2(Ba,K)2(Mn++,Fe++)8(Ti,Nb)4Si8O32(OH,F,O)6 NAME ORIGIN: Named for Guy Perault (1937-) of Ecole Polytechnique, Montreal, Canada. Perrierite-(Ce)     (Ce,La,Ca)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 NAME ORIGIN: Named for Carlo Perier (1886-1948), Italian mineralogist. Perroudite     Hg5-xAg4+xS5-x(Cl,I,Br)4+x NAME ORIGIN: Named for Pierre Perroud, Professor at Voltaire College, Geneva, Switzerland, for his work on Cap-Garonne minerals. Perryite     (Ni,Fe)8(Si,P)3 Pertsevite !     Mg2(BO3)F NAME ORIGIN: After Nikolai Nikolayewich Pertsev (b. 1930), IGEM, Moscow, in recognition of his work on boron minerals and deposits. Petalite     LiAlSi4O10 NAME ORIGIN: From the Greek petalon - "leaf" in allusion to the perfect basal cleavage. Petarasite     Na5Zr2Si6O18(Cl,OH) • 2(H2O) NAME ORIGIN: Named for Peter Tarasoff, amateur mineralogist, Dollard-des-Ormeaux, Quebec, Canada. Petedunnite     Ca(Zn,Mn++,Fe++,Mg)Si2O6 NAME ORIGIN: Named for Pete J. Dunn, Department of Mineral Sciences, Smithsonian Institution, Washington D. C., USA. Peterbaylissite     Hg+3(CO3)(OH) • 2(H2O) NAME ORIGIN: For Dr. Peter Bayliss, Prof. emeritus of Mineralogy, Department of Geology and Geophysics, University of Calgary, Alberta, Canada. Petersenite-(Ce)     (Na,Ca)4(Ce,La,Nd)2(CO3)5 NAME ORIGIN: Named for Ole Valdemar Petersen (1939-), Curator, Geology Museum, Copenhagen, Denmark. Petersite-(Y)     (Y,Ce,Nd,Ca)Cu6(PO4)3(OH)6 • 3(H2O) NAME ORIGIN: Named for Thomas A. Peters (1947-) and Joseph Peters (1951-), curators of minerals at the Paterson, New Jersey museum and the American Museum of Natural History, New York, respectively. Petewilliamsite !     (Ni,Co,Cu)30(As2O7)15 NAME ORIGIN: Named for Peter (Pete) Allan Williams (b. 1950), Professor, Minerals and Materials Group, School of Science, Food and Horticulture, University of Western Sydney, Penrith South DC, New Sou Petitjeanite     Bi+++3(PO4)2O(OH) Petrovicite     PbHgCu3BiSe5 NAME ORIGIN: Named for the locality. LOCALITY: Petrovice deposit, Czech Republic. Petrovskaite     AuAg(S,Se) NAME ORIGIN: Named for Nina Petrovskaya (1910-), Russian mineralogist. Petrukite     (Cu,Fe,Zn)2(Sn,In)S4 NAME ORIGIN: Named for William Petruk (1930-), Canadian mineralogist. Petscheckite     U++++Fe++(Nb,Ta)2O8 NAME ORIGIN: Named for Eckhard Petsch (1939-), of Idar-Oberstein, Germany, who was a noteworthy prospector in Madagascar. Petterdite !     PbCr+++2(CO3)2(OH)4 • H2O NAME ORIGIN: Named for amateur mineralogist William Frederick Petterd (1849-1910), an amateur collector who published several significant catalogues on the mineralogy of Tasmania. Petzite     Ag3AuTe2 NAME ORIGIN: Named after the chemist, W. Petz. Pezzottaite !     Cs(Be2Li)Al2Si6O18 NAME ORIGIN: Named for Federico Pezzotta of the Museo Civico, Milano, Italy for his work on the granitic pegmatites of Madagascar. Phacellite *  (see Kaliophilite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pharmacolite     CaHAsO4 • 2(H2O) NAME ORIGIN: From the Greek, farmakon, "poison" and lithos, "stone." Pharmacosiderite     KFe+++4(AsO4)3(OH)4 • 6-7(H2O) NAME ORIGIN: From the Greek, farmakon for "poison" and sideros for "iron." Phaunouxite     Ca3(AsO4) • 11(H2O) Phenakite     Be2SiO4 NAME ORIGIN: From the Greek phenakos - "ldeceiver", in allusion to its similarity to quartz when colorless. Phenenthrene *  (see Ravatite ) See Also: GOOGLE, Athena, MinDAT, MinMax Philipsbornite     PbAl3(AsO4)2(OH)5 • (H2O) NAME ORIGIN: Named for Helut von Philipsborn (1892-1983), Mineralogist, University of Bonn, Germany. Philipsburgite     (Cu,Zn)6(AsO4,PO4)2(OH)6 • (H2O) NAME ORIGIN: Named for the locality LOCALITY: Black Pine mine, Flink Creek Valley, John Long Mountains, 14.5 km west of Philipsburg, Montana, USA. Phillipsite *  (see Phillipsite-Na ) See Also: GOOGLE, Athena, MinDAT, MinMax Phillipsite-Ca !     (Ca,K,Na)1-2(Si,Al)8O16 • 6(H2O) NAME ORIGIN: Named after William Phillips (1775-1829), English mineralogist and founder of the Geological Society of London. The Ca-dominant member of the phillipsite series. Phillipsite-K !     (K,Na,Ca)1-2(Si,Al)8O16 • 6(H2O) NAME ORIGIN: Named after William Phillips (1775-1829), English mineralogist and founder of the Geological Society of London. The K-dominant member of the phillipsite series. Phillipsite-Na     (Na,K,Ca)1-2(Si,Al)8O16 • 6(H2O) NAME ORIGIN: Named after William Phillips (1775-1829), English mineralogist and founder of the Geological Society of London. Na modifier added by zeolite nomenclature committee. Philolithite !     Pb12O6Mn(Mg,Mn)2(Mn,Mg)4(SO4)(CO3)4Cl4(OH)12 NAME ORIGIN: The name is from the Greek philos (=loving) and lithos (=stone) in honor of the Friends of Mineralogy. Phlogopite     KMg3(Si3Al)O10(F,OH)2 NAME ORIGIN: From the Greek flogopos - "resembling fire." Phlogopite-Na *  (see Aspidolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Phoenicochroite     Pb2(CrO4)O NAME ORIGIN: From the Greek for "deep red" and "color", in allusion to the color Phosgenite     Pb2(CO3)Cl2 NAME ORIGIN: Named from the composition phosgene (COCl2), as the mineral contains this compound. Phosinaite-(Ce)     Na13Ca2Ce[Si4O12](PO4)4 NAME ORIGIN: For PHOsphorus, SIlicon, and sodium, NAtrium, in the composition. Phosphammite     (NH4)2HPO4 Phosphoellenbergerite !     Mg14(PO4)6(PO3OH,CO3)2(OH)6 NAME ORIGIN: Named as the phosphate analogue of ellenbergerite. Phosphoferrite     (Fe++,Mn)3(PO4)2 • 3(H2O) NAME ORIGIN: Named for the compositoin, PHOSPHate and FERRous Iron. Phosphofibrite     KCuFe+++15(PO4)12(OH)12 • 12(H2O) Phosphogartrellite !     PbCuFe+++(PO4)2(OH,H2O)2 NAME ORIGIN: For the relationship with gartrellite. Phosphomimetite *  (see Pyromorphite ) See Also: GOOGLE, Athena, MinDAT, MinMax Phosphophyllite     Zn2(Fe++,Mn)(PO4)2 • 4(H2O) NAME ORIGIN: Named after its chemical composition containing phosphorus and the Greek fyllon - meaning "leaf." Phosphorroesslerite *  (see Phosphorrosslerite ) See Also: GOOGLE, Athena, MinDAT, MinMax Phosphorrosslerite     Mg(PO3OH) • 7(H2O) Phosphosiderite     Fe+++PO4 • 2(H2O) NAME ORIGIN: Named after its chemical composition, PHOSPHrous and SIDERos, Iron.. Phosphovanadylite !     (Ba,Ca,K,Na)x[(V,Al)4P2(O,OH)16] • 12(H2O) x~0.66 NAME ORIGIN: Named after its composition of phosphate and the vanadyl (V++++O2)-- group. Phosphowalpurgite !     (UO2)Bi4(PO4)O4 • 2(H2O) NAME ORIGIN: Named as the phosphate (PO4---) analogue of walpurgite. Phosphuranylite     KCa(H3O)3(UO2)7(PO4)4O4 • 8(H2O) NAME ORIGIN: Named for the composititon, PHOSPHorus, and URANYL, U4+. Phthalimide *  (see Kladnoite ) See Also: GOOGLE, Athena, MinDAT, MinMax Phuralumite     Al2(UO2)3(PO4)2(OH)6 • 10(H2O) NAME ORIGIN: Named for the composition of PHosphate, URanium, and ALUMinum. Phurcalite     Ca2(UO2)3O2(PO4)2 • 7(H2O) Phyllotungstite     CaFe+++3H(WO4)6 • 10(H2O) NAME ORIGIN: Named for the crystal habit and composition. Pianlinite - Disordered *  (see Kaolinite ) See Also: GOOGLE, Athena, MinDAT, MinMax Picene *  (see Idrialite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pickeringite     MgAl2(SO4)4 • 22(H2O) NAME ORIGIN: Named after J. Pickering (1777-1846). Picotpaulite     TlFe2S3 NAME ORIGIN: Named for Paul Picot (1931-), French mineralogist. Picrolite *  (see Antigorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Picromerite     K2Mg(SO4)2 • 6(H2O) NAME ORIGIN: From the Greek for "bitter" and "part" in allusion to the magnesium content which makes this water-soluble salt bitter to the taste. Picropharmacolite     Ca4Mg(AsO3OH)2(AsO4)2 • 11(H2O) NAME ORIGIN: Named for its magnesia content and the similarity to pharmacolite. Picrosmine *  (see Antigorite ) See Also: GOOGLE, Athena, MinDAT, MinMax Piedmontite *  (see Piemontite ) See Also: GOOGLE, Athena, MinDAT, MinMax Piemontite     Ca2(Al,Mn,Fe)3(SiO4)3(OH) = Ca2(Mn,Fe)Al2(SiO4)(Si2O7)O(OH) NAME ORIGIN: Named after its locality. LOCALITY: Piedmont, Italy. Pierrotite     Tl2Sb6As4S16 NAME ORIGIN: Named for Roland Pierrot (1930-), French mineralogist. Pigeonite     (Mg,Fe++,Ca)(Mg,Fe++)Si2O6 Pillaite !     Pb9Sb10S23ClO0.5 NAME ORIGIN: Named for Leopoldo Pilla (1805-1848), Italian Earth scientist. Pilsenite     Bi4Te3 NAME ORIGIN: Named for the locality. LOCALITY: Deutsch Pilsen ( Nagybörzsöny), Hungary Pimelite     Ni3Si4O10(OH)2 • 4(H2O) NAME ORIGIN: Named for the Greek word for "fat", in allusion to the mineral's appearance. Pinakiolite     Mg2Mn+++O2(BO3) NAME ORIGIN: Named from the Greek for "small tablet", in allusion to the morphology. Pinalite     Pb3(WO4)OCl2 NAME ORIGIN: Named for the locality. LOCALITY: Mammoth mine, Pinal County, Arizona, USA. Pinchite     Hg++5O4Cl2 Pingguite     Bi+++6Te++++2O13 NAME ORIGIN: Named after its locality. LOCALITY: At Yangjiava, Pinggu County, near Beijing, People's Republic of China. Pinnoite     MgB2O4 • 3(H2O) NAME ORIGIN: Named for chief councilor of Mines, Pinno, of Halle, Germany. Pintadoite     Ca2V2O7 • 9(H2O) NAME ORIGIN: Named after its locality. LOCALITY: Canyon Pintado, San Juan Co., New Mexico, USA. Piotine *  (see Saponite ) See Also: GOOGLE, Athena, MinDAT, MinMax Piretite !     Ca(UO2)3(SeO3)2(OH)4-4(H2O) NAME ORIGIN: For Dr. Paul Piret (1932- ), Professor of Crystallography, University of Louvain-la-Neuve, Belgium. Pirquitasite     Ag2ZnSnS4 NAME ORIGIN: Named for the locality. LOCALITY: Pirquitas deposit, Rinconada department, Jujuy province, Argentina Pirssonite     Na2Ca(CO3)2 • 2(H2O) Pistacite - pistachio green *  (see Epidote ) See Also: GOOGLE, Athena, MinDAT, MinMax Pistanite (copper bearing) *  (see Melanterite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pitiglianoite     Na6K2Si6Al6O24(SO4) • 2(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Casa Collina, Ptigliano, Tuscany, Italy. Pitticite     Hydrous ferric arsenate sulfate (Fe, AsO4, SO4, H2O) NAME ORIGIN: From the Greek for "pitch", for its typical resinous appearance. Piypite     K2Cu2(SO4)2O NAME ORIGIN: Named for Boris I. Piyp (1906-1966), Russian geologist and director, Institute of Volcanology, Petropoavlovsk-Kamchatskii. Placodine *  (see Maucherite ) See Also: GOOGLE, Athena, MinDAT, MinMax Plagioclase *     (Na,Ca)(Si,Al)4O8 NAME ORIGIN: From the Greek plagios - "oblique" and klao - "I cleave" in allusion to the obtuse cleavage angles of the good cleavages. Plagionite     Pb5Sb8S17 NAME ORIGIN: From the Greek, plagios meaning "oblique." Plancheite     Cu8Si8O22(OH)4 • (H2O) NAME ORIGIN: Named after J. Planche who brought it from Africa. Planerite     Al6(PO4)2(PO3OH)2(OH)8 • 4(H2O) NAME ORIGIN: Named for D. I. Planer, director of mines, Gumeshevsk, Ural Mountains, Russia. Plasma - green chalcedony *  (see Quartz ) See Also: GOOGLE, Athena, MinDAT, MinMax Plaster of Paris *  (see Bassanite ) See Also: GOOGLE, Athena, MinDAT, MinMax Platarsite     (Pt,Rh,Ru)AsS NAME ORIGIN: Named for the composition, PLATinum and ARSenic. Platiniridium *  (see Iridium ) See Also: GOOGLE, Athena, MinDAT, MinMax Platinum     Pt NAME ORIGIN: Spanish, platina = "silver." Plattnerite     PbO2 NAME ORIGIN: Named after the German metallurgist, K. F. Plattner (1800-1858). Platynite ?     (Bi,Pb)3(Se,S)4 NAME ORIGIN: Named in 1910 from the Greek "to broaden", in allusion to its platy habit. Playfairite     Pb16Sb18S43 NAME ORIGIN: Named for John Playfair (1748-1819), Professor of Natural Philosophy, Edinburgh, Scotland. Plazolite *  (see Hibschite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pleonaste *  (see Magnesioferrite ) See Also: GOOGLE, Athena, MinDAT, MinMax Plessite - Taenite and Kamacite *  (see Kamacite ) See Also: GOOGLE, Athena, MinDAT, MinMax Plessite - Taenite and Kamacite *  (see Taenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Plombierite     Ca5H2Si6O18 • 6(H2O) (?) Plumalsite ?     Pb4Al2(SiO3)7 (?) Plumbago *  (see Graphite ) See Also: GOOGLE, Athena, MinDAT, MinMax Plumbobetafite     (Pb,U,Ca)(Ti,Nb)2O6(OH,F) NAME ORIGIN: Named for the lead (PLUMBium), and other betafite minerals. Plumboferrite     Pb2Fe+++(11-x)Mn++xO19-2x (x=1/3) NAME ORIGIN: From the Latin (PLUMum) for lead and FERROus iron in the composition. Plumbogummite     PbAl3(PO4)2(OH)5 • (H2O) NAME ORIGIN: Named after its composition: plumbum - "lead" and gummi - "indian rubber." Plumbojarosite     PbFe+++6(SO4)4(OH)12 NAME ORIGIN: Named after its chemical composition (a variety of jarosite with Pb replacing K). Plumbomicrolite     (Pb,Ca,U)2Ta2O6(OH) NAME ORIGIN: Named for lead, "PLUMBum" and its relationship to microlite. Plumbonacrite     Pb10(CO3)6O(OH)6 NAME ORIGIN: Named in for its composition and luster. Plumbopalladinite     Pd3Pb2 NAME ORIGIN: Named for the composition. Plumbopyrochlore     (Pb,Y,U,Ca)2-xNb2O6(OH) NAME ORIGIN: For lead, PLUMBum, in its composition and its relationship to pyrochlore. Plumbotellurite     PbTe++++O3 NAME ORIGIN: Named for the composition (Pb, Te). Plumbotsumite     Pb5Si4O8(OH)10 Plumbum *  (see Lead ) See Also: GOOGLE, Athena, MinDAT, MinMax Plumosite *     Pb2Sb2S5 Poitevinite     (Cu,Fe++,Zn)SO4 • (H2O) NAME ORIGIN: Named for Theophile Eugene Poitevin (1888-1978), Canadian mineralogist, Geological Survey of Canada. Pokrovskite     Mg2(CO3)(OH)2 • 0.5(H2O) Polarite     Pd(Bi,Pb) NAME ORIGIN: Named for the locality. LOCALITY: Talnakh, Norilsk, Polar Ural Mountians, Russia. Poldervaartite     (Ca,Mn++)2SiO3(OH)2 NAME ORIGIN: Named for Arie Poldervaart (1918-1964), Professor of Petrology, Columbia University, New York City, New York, USA. Polhemusite     (Zn,Hg)S NAME ORIGIN: Named for Clyde Polhemus Ross, American economic geologist. Polianite *  (see Pyrolusite ) See Also: GOOGLE, Athena, MinDAT, MinMax Polkanovite !     Rh12As7 NAME ORIGIN: Named after Yuri Aleksandrovich Polkanov (b. 1935), Academician, Institute of Mineral Resources, Academy of Technical Sciences of Ukraine, known for his studies of the mineralogy and ore Polkovicite     (Fe,Pb)3(Ge,Fe)1-xS4 Pollucite     (Cs,Na)2Al2Si4O12 • (H2O) NAME ORIGIN: Named after Pollux, a figure from Greek mythology, brother of Castor, for its common association with "castorite" (petalite). Polyakovite-(Ce) !     (Ce,La,Nd,Pr,Ca)4(Mg,Fe++)(Cr,Fe+++)2(Ti,Nb)2Si4O22 NAME ORIGIN: Named for Vladislav O. Polyakoy (1950-1993), Russian mineralogist. Polybasite     (Ag,Cu)16Sb2S11 NAME ORIGIN: From the Greek, poly, "many" and basis, "a base" in allusion to the basic character of the compound. Polycrase-(Y)     (Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6 NAME ORIGIN: From the Greek for "many" and "mixture", in reference to the large number of chemical elements in the formula. Polydymite     NiNi2S4 NAME ORIGIN: From the Greek for "many" and "twin", as the mineral is observed in twinned forms. Polyhalite     K2Ca2Mg(SO4)4 • 2(H2O) NAME ORIGIN: From the Greek, polys, meaning "much" and hals, meaning "salt." in allusion to the many salt components in the formulae.. Polylithionite     KLi2AlSi4O10(F,OH)2 NAME ORIGIN: From the Greek "ploy" for many or much, and in allusion to its high LITHIum content. Polymignite-metamict *  (see Zirconolite ) See Also: GOOGLE, Athena, MinDAT, MinMax Polymignite-metamict *  (see Zirkelite ) See Also: GOOGLE, Athena, MinDAT, MinMax Polyphite-VII     Na17Ca3Mg(Ti,Mn)4[Si2O7]2(PO4)6O2F6 NAME ORIGIN: Named from the Greek for "many" and PHosphorus for the multiple phosphate anions in the formula. Polyphite-VIII     Na17Ca3Mg(Ti,Mn)4[Si2O7]2(PO4)6O2F6 NAME ORIGIN: Named from the Greek for "many" and PHosphorus for the multiple phosphate anions in the formula. Ponomarevite     K4Cu++4OCl10 Portlandite     Ca(OH)2 NAME ORIGIN: Named because the material is a common product of hydration of portland cement. Posnjakite     Cu4(SO4)(OH)6 • (H2O) NAME ORIGIN: Named after the geochemist, E. W. Posnjak (1888-1949). Potarite     PdHg NAME ORIGIN: Named for the locality. LOCALITY: Potaro River area, Guyana. Potash Alum *  (see Potassium-alum ) See Also: GOOGLE, Athena, MinDAT, MinMax Potash Mica *  (see Muscovite ) See Also: GOOGLE, Athena, MinDAT, MinMax Potassic-carpholite !     (K,Na,[ ])(Li,Mn++)2Al)4Si4O12(OH)4(F,OH)4 NAME ORIGIN: Named as the potassium-dominant member of carpholite. Potassic-chlorohastingsite !     (K,Na)Ca2(Fe++,Mg)4Fe+++[Si6Al2O22](Cl,OH)2 NAME ORIGIN: Named after its composition and for Hastings Co., Ontario, Canada.. Potassic-chloropargasite !     (K,Na)Ca2(Mg,Fe2+)4Al(Si6Al2O22)(Cl,OH)2 NAME ORIGIN: Named as K-rich chloroparagasite as per IMA-approved amphibole nomenclature. Potassic-fluororichterite !     (K,Na)(CaNa)Mg5[Si8O22]F2 Potassic-magnesiosadanagaite     (K,Na)Ca2(Mg,Fe++,Al,Ti)5[(Si,Al)8O22](OH)2 NAME ORIGIN: Named for the composition and for Ryoichi Sadanaga (1920-), professor emeritus, University of Tokyo. Potassicarfvedsonite !     KNa2Fe++4Fe+++Si8O22(OH)2 NAME ORIGIN: Named as the K-dominant analogue of arfvedsonite. Potassicferrisadanagaite !     (K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2 NAME ORIGIN: Named for the composition and relationship to sadanagaite. Potassicleakeite !     KNa2Mg2Fe+++2LiSi8O22(OH)2 NAME ORIGIN: Named as the K-dominant analog of leakeite. Potassicpargasite !     (K,Na)Ca2(Mg,Fe++)5Si8O22(OH,F)2 NAME ORIGIN: Named after its containing potassium and the locality. LOCALITY: Pargas, Turku-Pori, Finland. Potassicrichterite !     (K,Na)(CaNa)2Mg5[Si8O22](OH,F)2 Potassicsadanagaite !     (K,Na)Ca2[Fe++3(Al,Fe+++)2][Si5Al3O22](OH)2 NAME ORIGIN: Named for the composition and for Ryoichi Sadanaga (1920-), professor emeritus, University of Tokyo. Potassium autunite *  (see Meta-ankoleite ) See Also: GOOGLE, Athena, MinDAT, MinMax Potassium-alum     KAl(SO4)2 • 12(H2O) NAME ORIGIN: Named for the element K and the Latin, alumen. Potassium-fluor-richterite *  (see Potassic-fluororichterite ) See Also: GOOGLE, Athena, MinDAT, MinMax Potosiite     Pb6Sn2FeSb2S14 NAME ORIGIN: Named for its locality. LOCALITY: Andacaba deposit, Potosi, Bolivia. Pottsite     PbBiH(VO4)2 • 2(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Potts, Lander Coundy, Nevada. USA. Poubaite     PbBi2Se2(Te,S)2 NAME ORIGIN: Named for Z. Pouba, economic geologist, Charles University, Prague, Czechoslovakia. Poudretteite     KNa2B3Si12O30 Poughite     Fe+++2(TeO3)2(SO4) • 3(H2O) NAME ORIGIN: Named for Frederick Harvey Pough (1906-), American mineralogist, curator, and writer. Povondraite !     (Na,K)(Fe+++,Fe++)3(Fe,Mg,Al)6(BO3)3Si6O18(OH)4 NAME ORIGIN: Named for Pavel Povandra (1924-), mineralogits, Charles University, Prague, Czech Repubic. Povondraite - (61.3.1.6) *  (see Povondraite ) See Also: GOOGLE, Athena, MinDAT, MinMax Powellite     CaMoO4 NAME ORIGIN: Named after the American geologist, John Westly Powell (1834-1902). Poyarkovite     Hg3ClO NAME ORIGIN: Named for Vlakimir Erastovich Poyarkov, Russian geologist, well-known investigator of mercury and antimony deposits. Prase - green *  (see Opal ) See Also: GOOGLE, Athena, MinDAT, MinMax Prase - leek green chalcedony *  (see Quartz ) See Also: GOOGLE, Athena, MinDAT, MinMax Prassoite     Rh17S15 (?) Prassoite *  (see Miassite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pravdite *  (see Britholite-(Ce) ) See Also: GOOGLE, Athena, MinDAT, MinMax Precious opal - opalescent *  (see Opal ) See Also: GOOGLE, Athena, MinDAT, MinMax Prehnite     Ca2Al2Si3O10(OH)2 NAME ORIGIN: Named after the Dutch Colonel, H. Von Prehn (1733-1785). Preisingerite     Bi3(AsO4)2O(OH) NAME ORIGIN: Named for Anton Preisinger (1925-), Mineralogist, University of Technology, Vienna. Preiswerkite     NaMg2Al3Si2O10(OH)2 Preobrazhenskite     Mg3B11O15(OH)9 Pretulite !     ScPO4 NAME ORIGIN: For the mountain Pretul, one of the localities at which the mineral occurs. LOCALITY: The type locality is 100 m southwest of Hollkegel, which is 12 km south-southwest of Murzzuschlag, Fischbacher Alpen, Styria, Austria. Priceite     Ca2B5O7(OH)5 • H2O NAME ORIGIN: Named after the American metallurgist, Thomas Price (1837-?), San Francisco metallurgist, who first analyzed the mineral. Priderite     (K,Ba)(Ti,Fe+++)8O16 NAME ORIGIN: Named for Rex Tregilgas Prider (1910-), Professor of Geology, University of Western Australia. Pringleite     Ca9B26O34(OH)24Cl4 • 13(H2O) Prismatine !     ([ ],Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22 Prismatine *  (see Kornerupine ) See Also: GOOGLE, Athena, MinDAT, MinMax Prixite *  (see Mimetite ) See Also: GOOGLE, Athena, MinDAT, MinMax Probertite     NaCaB5O7(OH)4 • 3(H2O) NAME ORIGIN: Named for Frank H. Probert (1876-1940), University of California, who discovered the mineral. Prochlorite *  (see Clinochlore ) See Also: GOOGLE, Athena, MinDAT, MinMax Prosopite     CaAL2(F,OH)8 NAME ORIGIN: From the Greek prosopon - "mask." Prosperite     CaZn2(AsO4)2 • (H2O) NAME ORIGIN: Named for Prosper J. Williams (1910-), South African-Canadian mineral dealer from Toronto, Canada. Protasite     Ba(UO2)3O3(OH)2 • 3(H2O) NAME ORIGIN: Named for Jean Protas (1931-), University of Nancy, France. Protoallophane *  (see Allophane ) See Also: GOOGLE, Athena, MinDAT, MinMax Protoanthophyllite !     (Mg,Fe)7Si8O22(OH)2 NAME ORIGIN: Named as the proto-type analog of anthophyllite. The prefix proto refers to a half-rotation about the b axis between successive layers of octahedra. Protoferro-anthophyllite !     (Fe++,Mn++)2(Fe++,Mg)5(Si4O11)2(OH)2 NAME ORIGIN: The name indicates the structural relationship to protoamphiboles, and the compositional relationship to anthophyllite. Protojoseite *     Bi4TeS2 (?) NAME ORIGIN: Named as a precursor of joseite. Protomangano-ferro-anthophyllite !     (Mn++,Fe++)2(Fe++,Mg)5(Si4O11)2(OH)2 NAME ORIGIN: The name indicates the structural relationship to protoamphiboles, and the compositional relationship to protoferro-anthophyllite and anthophyllite. Proudite     (Pb,Cu)8Bi9-10(S,Se)22 NAME ORIGIN: Named for J. S. Proud, a Director of the Peko-Wallsend mining Proustite     Ag3AsS3 NAME ORIGIN: After the French chemist, J. L. Proust (1755-1826). Przhevalskite     Pb(UO2)2(PO4)2 • 4(H2O) NAME ORIGIN: Named for Nikolai M. Przhevalsky (1839-1888), Russian explorer. Pseudo-autunite *     (H3O)4Ca2(UO2)2(PO4)4 • 5(H2O) (?) NAME ORIGIN: Named for its similarity to autunite and meta-autunite in composition and occurrence. Pseudoboleite     Pb5Cu4Cl10(OH)8 • 2(H2O) NAME ORIGIN: Named after its similarity to the mineral Boleite. Pseudobrookite     (Fe+++,Fe++)2(Ti,Fe++)O5 NAME ORIGIN: From the Greek pseudo - "I mislead" and the mineral brookite. Pseudocotunnite     K2PbCl4 (?) NAME ORIGIN: Named for the Greek "pseudo", false and cotunnite, a mineral it resembles in some respects. Pseudograndreefite     Pb6SO4F1O Pseudojohannite !     Cu5(UO2)6(SO4)3(OH)16 • 14(H2O) NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN) Pseudolaueite     Mn++Fe+++2(PO4)2(OH)2 • 7-8(H2O) Pseudomalachite     Cu5(PO4)2(OH)4 NAME ORIGIN: From ghe Greek, pseudo - "false" and malachite. Pseudonatrolite *  (see Mordenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pseudorutile     Fe+++2Ti3O9 Pseudosinhalite !     Mg2Al3B2O9(OH) NAME ORIGIN: The name alludes to the optical, chemical, and structural similarity to sinhalite. Psilomelane ?     (Ba,H2O)2Mn5O10 NAME ORIGIN: Named in 1758 from the Greek psilos - "smooth" and melas - "black." Psilomelane *  (see Cryptomelane ) See Also: GOOGLE, Athena, MinDAT, MinMax Psilomelane *  (see Romanechite ) See Also: GOOGLE, Athena, MinDAT, MinMax Ptilolite *  (see Mordenite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pucherite     BiVO4 NAME ORIGIN: Named after its locality. LOCALITY: Oxidized portions of Bi-Ag-U-Ca veins in the Pucher shaft of the Wolfgang Mine, Schneeberg, Saxony, Germany. Pumpellyite *  (see Pumpellyite-(Mg) ) See Also: GOOGLE, Athena, MinDAT, MinMax Pumpellyite-(Fe++)     Ca2Fe++(Al,Fe+++)2(SiO4)(Si2O7)(OH)2 • (H2O) NAME ORIGIN: Named after the American geologist, R. Pumpelly (1837-1923). Pumpellyite-(Fe+++)     Ca2Fe+++Al2(SiO4)(Si2O7)(OH,O)2 • (H2O) NAME ORIGIN: Named after the American geologist, R. Pumpelly (1837-1923). Pumpellyite-(Mg)     Ca2MgAl2(SiO4)(Si2O7)(OH)2 • (H2O) NAME ORIGIN: Named after the American geologist, R. Pumpelly (1837-1923). Pumpellyite-(Mn++)     Ca2(Mn++,Mg)(Al,Mn+++,Fe)2(SiO4)(Si2O7(OH)2 • (H2O) NAME ORIGIN: Named after the American geologist, R. Pumpelly (1837-1923). Purpurite     Mn+++PO4 NAME ORIGIN: From the Latin purpureus - "purple red." Pushcharovskite !     Cu(AsO3OH) • 1.5(H2O) NAME ORIGIN: Named after Dmitry Yurievich Pushcharovsky (b. 1944), crystallographer, Moscow State University, Russia. Putoranite     Cu1.1Fe1.2S2 NAME ORIGIN: Named for Putoran Mountains, Siberia. Putzite !     (Cu4.7Ag3.3)GeS6 NAME ORIGIN: Named for Hubert Putz (1973-), who discovered the new species during field work in Catamarca, for his significant contribution to the mineralogy of germanium in the Capillitas deposit. Pyatenkoite-(Y) !     Na5(Y,Dy,Gd)TiSi6O18 • 6(H2O) NAME ORIGIN: For Yu. A. Pyatenko (1928-), prominent Russian crystal chemist. Pycnite - yellowish white- *  (see Topaz ) See Also: GOOGLE, Athena, MinDAT, MinMax Pyrantimonite *  (see Kermesite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pyrargyrite     Ag3SbS3 NAME ORIGIN: From the Greek, pyr and argyros, "fire-silver" in allusion to color and silver content. Pyrite     FeS2 NAME ORIGIN: From the Greek, pyrites lithos, "stone which strikes fire," in allusion to the sparking produced when iron is struck by a lump of pyrite. Pyroaurite     Mg6Fe+++2(CO3)(OH)16 • 4(H2O) NAME ORIGIN: From the Greek, pyro and the Latin aurium, "fire" and "golden" because of the gold-like submetallic scales present in its type locality. LOCALITY: Langbanshyttan, Sweden. Pyrobelonite     PbMn(VO4)(OH) NAME ORIGIN: Named from the Greek for "fire" and "needle", in allusion to the color and habit. Pyrochlore     (Na,Ca)2Nb2O6(OH,F) NAME ORIGIN: From the Greek pyr - "fire" and chloros - "green." Pyrochroite     Mn(OH)2 NAME ORIGIN: Named from the Greek, puro, "fire" and khroma, "color", because of the change in color upon ignition. Pyrocoproite *     (Mg(K,Na))2P2O7 NAME ORIGIN: Named after it's derivation from bat guano combustion. Pyrolusite     MnO2 NAME ORIGIN: From the Greek, pyro and louein, "fire" and "to wash," because it was used to remove the greenish color imparted to glass by iron compounds. Pyromorphite     Pb5(PO4)3Cl NAME ORIGIN: From the Greek pyr - "fire" and morfe - "form" in allusion the recrystallization reaction of the molten mineral. Pyrope     Mg3Al2(SiO4)3 NAME ORIGIN: From the Greek, pyropos, "fiery-eyed" in allusion to the red hue. Pyrophanite     MnTiO3 NAME ORIGIN: From the Greek pyr - "fire" and fanos - "shining." Pyrophosphite *     K2CaP2O7 NAME ORIGIN: Named after the Greek pyros, meaning fire and the element name - Phosphorus. Pyrophyllite     Al2Si4O10(OH)2 Pyrosmalite *  (see Ferropyrosmalite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pyrosmalite *  (see Manganpyrosmalite ) See Also: GOOGLE, Athena, MinDAT, MinMax Pyrostilpnite     Ag3SbS3 NAME ORIGIN: From the Greek, pyr, "fire" and stilpnos, "shining." Pyroxferroite     (Fe++,Mn)7[Si7O21] NAME ORIGIN: Named after its resemblance to the pyroxenes and containing iron over manganese.. Pyroxmangite     (Mn,Fe++)SiO3 NAME ORIGIN: Named after its resemblance to the pyroxenes and containing manganese. Pyrrhotite     Fe(1-x)S (x=0-0.17) NAME ORIGIN: From the Greek, phrrhotes, "redness," in allusion to color.

Index A Minerals Index B Minerals Index C Minerals Index D Minerals Index E Minerals Index F Minerals Index G Minerals Index H Minerals Index I Minerals Index J Minerals Index K Minerals Index L Minerals Index M Minerals Index N Minerals Index O Minerals Index P Minerals Index Q Minerals Index R Minerals Index S Minerals Index T Minerals Index U Minerals Index V Minerals Index W Minerals Index X Minerals Index Y Minerals Index Z Minerals All LEGEND Minerals identified with this icon have a sound file, courtesy of The Photo-Atlas of Minerals, which gives the pronunciation of the mineral name. Minerals identified with this icon have an image or picture in the database which may be viewed. Minerals identified with this icon have a Java crystal form, created with the program JCrystal, which can be manipulated and rotated. This icon links the mineral to the locality-rich information contained in Mindat.org. Minerals identified with this icon are radioactive. - Detectable with very sensitive instruments, - very mild, - weak, - strong, - very strong, - dangerous. * Mineral Name is Not IMA Approved. ! New Dana Classification Number Has Been Changed or Added. ? IMA Discredited Mineral Species Name.

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