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Catamarcaite: Cu6GeWS8 Putzite: (Cu4.7Ag3.3)GeS6
Comments: Polished section of putzite (pu) grain in close association with unnamed Cu8Fe2ZnGe2S12 (un1) and catamarcaite (ca), as inclusions in chalcocite-sphalerite (cc/sp) (CanMin 42:1761). Location: Old dumps near the Rosario vein, Capillitas mining district, Department of Andalgalá, Catamarca Province, Argentina.. Scale: See Image. © Canadian Mineralogist
Catamarcaite: Cu6GeWS8 Briartite: Cu2(Zn,Fe)GeS4 Bornite: Cu5FeS4
Comments: Briartite-type phase (Bri) in close association with catamarcaite (Ct) lining a cavity in massive bornite (Bn) - chalcocite (Cc) ore; Sp is sphalerite (CanMin v44:1481). Location: Bornite-rich ore from old dumps near the La Rosario vein, Capillitas epithermal deposit, Catamarca Province, Argentina.. Scale: See Image. © Canadian Mineralogist
Catapleiite: (Na,Ca,[ ])2ZrSi3O9·2(H2O) Aegirine: NaFe+++Si2O6
Comments: Clear crystals of catapleiite with an attached 1.8 cm prismatic crystal of dark aegirine. Location: Mt. St. Hilaire, Quebec, Canada. Scale: 3.5 x 2.2 cm. © John Veevaert
Cattierite: CoS2 Siegenite: (Ni,Co)3S4
Comments: Pinkish metallic cattierite, intergrown with gray siegenite. Location: Shinkolobwe, Katanga, Shaba, Zaire. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Cattiite: Mg3(PO4)2·22(H2O)
Comments: Colorless cattiite grain fragment. Location: Zheleznyi Fe Mine, Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Grain size 2 mm. © Thomas Witzke / Abraxas-Verlag
Cavansite: Ca(VO)Si4O10·4(H2O)
Comments: Brilliant blue balls of acicular crystals of cavansite to 1 cm in size richly scattered about a matrix of colorless stilbite crystals. Location: Wagholi, Poona district, Maharashtra, India. Scale: 7.5 x 9 x 8 cm. © Dan Weinrich
Caysichite-(Y): Y2(Ca,Gd)2Si4O10(CO3)3(H2O,O,OH)·3H20
Comments: Brownish inclusions of caysichite-(Y) with white tengerite-(Y) rims. Location: Mt. Ploskaja, Keivi, Kola, Russia. Scale: Sample Size 2.5x3 cm. © Diederik Visser
Cebaite-(Ce): Ba3Ce2(CO3)5F2
Comments: Gemmy yellow to orange-yellow massive cebaite-(Ce); some cleavage evident, associated with green aegirine. Location: Baiyun-Obo mine, Inner Mongolia, China. Scale: See Image. © Rruff Database
Cebollite: Ca5Al2(SiO4)3(OH)4
Comments: Green to white fibrous coating of cebollite on granular iron stained quartz. Location: Cebola Creek, Gunnison County, Colorado, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Cechite: Pb(Fe++,Mn)(VO4)(OH)
Comments: Black tabular crystal of cechite on matrix. Location: Alexander Gallery, Vrancice, Príbram, Stredoceský Kraj, Bohemia, Czech Republic. Scale: Picture size 1.3 mm. © Thomas Witzke / Abraxas-Verlag
Cejkaite: Na4(UO2)(CO3)3
Comments: Yellow chalky cejkaite masses on matrix. Location: Svornost Mine, Jáchymov, Ostrov, Krusne Hory Mts (Erzgebirge), Bohemia, Czech Republic. Scale: Picture Size 0.5 cm. © Jeff Weissman / Photographic Guide to Mineral Species