's Image Gallery

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

Clinobisvanite: BiVO4

Comments: Numerous yellow to yellowish-orange sub-mm crystals of clinobisvanite on matrix.
Location: Linka Mine, Lander County, Nevada, USA. Scale: 2.2 x 2.5 cm.
© John Veevaert

Clinobisvanite: BiVO4

Comments: Deep yellow platy crystals of clinobisvanite to less than 0.2mm.
Location: Linka mine, Lander Co., Nevada, USA. Scale: Picture size 0.5 cm.
© Tom Loomis / Dakota Matrix

Clinocervantite: Sb+++Sb+++++O4

Comments: White crystals of Clinocervantite.
Location: Cetine di Cotorniano mine (Cetine mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Clinochalcomenite: CuSeO3·2(H2O)

Comments: Blue-green crystalline coating of clinochalcomenite on sulfide ore.
Location: Mina El Dragon, Potosi, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Clinochalcomenite: CuSeO3·2(H2O)  
Kerstenite: PbSeO4 (?)  
Krutaite: CuSe2

Comments: Tan opaque fibrous kerstenite with possible blue clinochalcomenite on dark krutaite.
Location: Mina El Dragon, Potosi, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Clinochlore: (Mg,Fe++)5Al(Si3Al)O10(OH)8  
Andradite: Ca3Fe+++2(SiO4)3

Comments: Transparent topazolite, the yellow variety of andradite on clinochlore.
Location: Yellow Cat Mine, New Idria District, San Benito County. California, USA. Scale: 2.7 x 2.5 cm.
© Fabre Minerals

Clinochlore: (Mg,Fe++)5Al(Si3Al)O10(OH)8

Comments: Purple clinochlore (Kammererite) crystal cluster.
Location: Kop Daglari, Turkey. Scale: 1.4 cm across.
© John Veevaert

Clinochlore: (Mg,Fe++)5Al(Si3Al)O10(OH)8  
Perovskite: CaTiO3

Comments: Square, opaque perovskite on green clinochlore. Very brilliant and with large crystals (2 x 1.5 cm.).
Location: Ilmen Mountains. Chelyabinsk, Urals, Russia. Scale: 6 x 4.5 cm.
© Fabre Minerals