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Paralaurionite: PbCl(OH)
Comments: Transparent, prismatic Paralaurionite crystal. Location: Laurium, Greece. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Parascholzite: CaZn2(PO4)2·2(H2O)
Comments: Bluish, transparent, prismatic parascholzite crystals on matrix. Location: Hagendorf, Bavaria, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Parasymplesite: Fe++3(AsO4)2·8(H2O)
Comments: Opaque, prismatic parasymplesite crystals. Location: Ojuela mine, Mapimi, Durango, Mexico. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Parsonsite: Pb2(UO2)(PO4)2·2(H2O)
Comments: Bright yellow parsonsite crystals on matrix. Location: La Chaux, France. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Pectolite: NaCa2Si3O8(OH) Aegirine: NaFe+++Si2O6
Comments: White, cottony pectolite tufts with acicular aegirine. Location: 3M quarry, Little Rock, Pulaski County, Arkansas, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Penfieldite: Pb2Cl3(OH)
Comments: Greenish, acicular penfieldite crystals. Location: Laurium, Greece. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Peretaite: CaSb+++4O4(OH)2(SO4)2·2(H2O)
Comments: Clear, tabular, bladed, stellate spray of transparent peretaite crystals. Location: Pereta mine, Scansano, Tuscany, Italy. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Perhamite: Ca3Al7(SiO4)3(PO4)4(OH)3·16.5(H2O)
Comments: Squat, columnar perhamite crystals on matrix. Location: Emmons quarry, Greenwood, Oxford County, Maine, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Perloffite: Ba(Mn,Fe++)2Fe+++2(PO4)3(OH)3
Comments: Black, prismatic perloffite crystals on matrix. Location: Big Chief mine, Keystone, Pennington County, South Dakota, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Perovskite: CaTiO3 Sodalite: Na8Al6Si6O24Cl2
Comments: Clear crystals of sodalite with hoppered perovskite on matrix. Location: Udersdorf, Rhineland-Palatinate, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Petzite: Ag3AuTe2 Gold: Au
Comments: Dark, stubby petzite crystals with native gold on quartz. Location: Rosia Montana (Verespatak), Transylvania, Romania. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Pharmacolite: CaHAsO4·2(H2O)
Comments: Pink, fuzzy ball of pharmacolite crystals on matrix. Location: Schneeberg, Saxony, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Phenakite: Be2SiO4
Comments: Prismatic, terminated crystal of phenakite on matrix. Location: Mt Antero, Chaffee County, Colorado, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Phillipsite-K: (K,Na,Ca)1-2(Si,Al)8O16·6(H2O)
Comments: Clear crystalline ball of phillipsite-K crystals. Location: Bova, Calabria, Italy. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Phosgenite: Pb2(CO3)Cl2
Comments: Clear pseudo-cubic crystals of phosgenite on matrix. Location: Laurium, Greece. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Phosphoferrite: (Fe++,Mn)3(PO4)2·3(H2O)
Comments: Translucent, brown crystal of phosphoferrite on matrix. Location: Big Chief mine, Keystone, Pennington County, South Dakota, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Phosphophyllite: Zn2(Fe++,Mn)(PO4)2·4(H2O)
Comments: Transparent, blue crystal of phosphophyllite. Location: Hagendorf, Bavaria, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Phosphosiderite: Fe+++PO4·2(H2O) Barbosalite: Fe++Fe+++2(PO4)2(OH)2
Comments: Transparent, brown crystal of phosphosiderite on black barbosalite. Location: Bull Moose mine, Custer, Custer County, South Dakota, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Phosphuranylite: KCa(H3O)3(UO2)7(PO4)4O4·8(H2O)
Comments: Bright yellow orange crystals of phosphuranylite on matrix. Location: Wagontown, Chester County, Pennsylvania, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Picropharmacolite: Ca4Mg(AsO3OH)2(AsO4)2·11(H2O)
Comments: White, acicular crystalline sprays of picropharmacolite on matrix. Location: Wechsel Schacht, Richelsdorf, Hesse, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals