Mineral Specimen Images (C)

Chukhrovite-(Nd): Ca3(Nd,Y)Al2(SO4)F13·12(H2O)

Comments: SEM image of chukhrovite-(Nd) crystals..
Location: Oxidized zone of the Kara-Oba deposit (Central Kazakhstan). Scale: Scale bar 10µm.
© New Data on Minerals. M., 2005. Vol. 40

Chukhrovite-(Y): Ca3(Y,Ce)Al2(SO4)F13·10(H2O)

Comments: White crystalline crust of chukhrovite-(Y) on matrix.
Location: Kara-Oba deposit, Betpakdala Desert, Central Kazakhstan. Scale: Not Given.
© Diederik Visser

Churchite-(Y): YPO4·2(H2O)

Comments: Acicular, radiating crystals of churchite-(Y).
Location: Leoni mine, Auerbach, Bavaria, Germany. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Chvaleticeite: (Mn++,Mg)SO4·6(H2O)

Comments: Powdery mass of chvaleticeite.
Location: Chvaletice, Bohemia, Vychodocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chvilevaite: Na(Cu,Fe,Zn)2S2

Comments: Black metallic chvilevaite in sandstone. Part of a drillcore.
Location: La Serena, Region III, Chile. Scale: Specimen Size 0.8x1.8 cm.
© Diederik Visser

Cianciulliite: Mn++++(Mg,Mn++)2Zn2(OH)10·2-4(H2O)

Comments: SEM image of a typical cianciulliite crystals. The abundant incipient cleavage is very obvious. (AmMin, v76:1708).
Location: Franklin, New Jersey, USA. Scale: Field of view is 0.3 mm.
© American Mineralogist

Cinnabar: HgS

Comments: Red single hexagonal (Trigonal) crystal of cinnabar on dolomite.
Location: Fenghuang, Hunan Province, Peoples Republic of China. Scale: Crystal size 1 cm.
© Dave Barthelmy

Cinnabar: HgS  
Edoylerite: Hg++3Cr++++++O4S2

Comments: Yellow prismatic crystals of edoylerite with red cinnabar.
Location: Clear Creek Claim (Clear Creek Mine), New Idria district, San Benito Co., California, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Ciprianiite: Ca4[(Th,U)(REE)]2(Al,[ ])2[Si4B4O22](OH,F)2

Comments: Black crystal of ciprianiite in quartz.
Location: Monte Cavalluccio, Capagnano, Roma, Lazio, Italy. Scale: Picture size 2 mm.
© Paul M. Schumacher

Clairite: (NH4)2Fe+++3(SO4)4(OH)3·3(H2O)  
Rostite: AlSO4(OH,F)·5(H2O)

Comments: Brownish crystals of clairite on white massive rostite.
Location: Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Claraite: (Cu,Zn)3(CO3)(OH)4·4(H2O)

Comments: Green, round spherical grain of claraite on fluorite.
Location: Clara Mine, Oberwolfach, Wolfach Valley, Black Forest, Baden-Württemberg, Germany. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Claringbullite: Cu++4(OH)7Cl

Comments: Velvety micro botryoids of claringbullite lining vug in slag.
Location: Val Varenna, Pegli, Genova, Liguria, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Clarkeite: (Na,Ca,Pb)(UO2)O(OH)·0-1(H2O)

Comments: Massive orange clarkeite.
Location: Bjertnes,Krøderen, Buskerud, Norway. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag

Claudetite: As2O3  
Arsenic: As

Comments: Colorless prismatic crystal of claudetite on native arsenic.
Location: Jáchymov (St Joachimsthal), Krusné Hory (Erzgebirge), Západoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Clausthalite: PbSe

Comments: black massive and botryoidal clausthalite on matrix.
Location: Lasovice, Mittelbuhmen, Stredocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Clausthalite: PbSe  
Schlemaite: (Cu,[ ])6(Pb,Bi)Se4  
Eucairite: CuAgSe

Comments: Reflected-light digital-image of the intermixed schlemaite grain in type sample F2, from which the reflectance, crystallographic and crystal-structure data were obtained. (CanMin, v 41, p 1435).
Location: "Tiber" dike, -855-m level, block 5128, main shaft # 371, Niederschlema-Alberoda vein-type uranium depost at Hartensein, Erzgebirge, Germany. Scale: See Picture.
© Canadian Mineralogist

Cleusonite: Pb(U++++,U++++++)(Ti,Fe++,Fe+++)20(O,OH)38

Comments: Black submetallic ceusonite crystals in matrix.
Location: Kaisererbruch, Rauris, Salzburg, Austria. Scale: Specimen Size 3x4.5 cm.
© Diederik Visser

Cliffordite: UTe3O9

Comments: Small greenish crystals of cliffordite encrusting matrix.
Location: Candelaria Mine, Moctezuma, Sonora, Mexico. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Clinoatacamite: Cu2(OH)3Cl

Comments: Green clinoatacamite on halite and anhydrite.
Location: Bernburg, Stassfurt Deposit, Saxony-Anhalt, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Clinobarylite: BaBe2Si2O7

Comments: Radiating group of colorless flattened bladed clinobarylite crystals.
Location: Hackmann Valley, Yukspor Mountain, Khibiny, Kola, Russia. Scale: See Image.
© Rruff Database