's Image Gallery

Catamarcaite: Cu6GeWS8

Comments: Fractured aggregate of catamarcaite (Ct) composed of twinned grains with red internal reflections; Dg is digenite, Sp sphalerite. Oil immersion, crossed polars. (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

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

Catamarcaite: Cu6GeWS8  
Luzonite: Cu3AsS4

Comments: Catamarcaite (Ct) in contact with luzonite (Luz), unnamed Cu8Fe2ZnGe2S12 (un), sphalerite (Sp) and fine-grained chalcocite - covellite (Cc/Cv). (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

Celadonite: K(Mg,Fe++)(Fe+++,Al)[Si4O10](OH)2

Comments: Greenish masses of celadonite filling vesicles in basaltic rock.
Location: Socorro County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Celestine: SrSO4

Comments: Transparent blue orthorhombic crystals of celestine, some doubly terminated to 15 mm in size, on a limestone matrix.
Location: Clay Center, Ohio, USA. Scale: 5 x 9 x 2.5 cm.
© Dan Weinrich

Celsian: BaAl2Si2O8  
Hendricksite: K(Zn,Mg,Mn)3Si3AlO10(OH)2

Comments: Gray massive celsian with dark red hendricksite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Celsian: BaAl2Si2O8  
Alforsite: Ba5(PO4)3Cl  
Titantaramellite: Ba4(Ti,Fe+++,Fe++,Mg)4(B2Si8O27)O2Clx X=0 TO 1, with Ti > Fe  
Sanbornite: BaSi2O5

Comments: SEM image showing alforsite (al). Matrix composed by lamellar sanbornite (sa) and granular quartz (q). Rectangular crystal in the upper right corner is titantaramellite (ti) and isometric crystals included in sanbornite are celsian (ce).
Location: Trumbull Peak, near Incline, Mariposa Co., California, USA. Scale: See Image.
© Pavel M. Kartashov

Cerchiaraite: Ba4(Mn,Fe,Al)4Si6(O,OH,Cl)26

Comments: Green aggregates of cerchiaraite on matrix.
Location: Cerchiara Mine, Near Faggiona, Val di Vara, Eastern Liguria, Italy. Scale: Specimen Size 13x7x6 mm.
© Sergey Vasiliev / Systematic Mineralogy

Cerianite-(Ce): (Ce++++,Th)O2

Comments: Black crystal of cerianite-(Ce) on matrix.
Location: Ettringer Bellerberg, Ettringen, near Mayen, Eifel Mts, Rhineland-Palatinate, Germany. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Ceriopyrochlore-(Ce): (Ce,Ca,Y)2(Nb,Ta)2O6(OH,F)

Comments: Dark-brown granular aggregate of compact ceriopyrochlore-(Ce) with fine-granular aggregate of more light-brown zircon.
Location: Katugin Ta-­Nb deposit (Katuginskoye deposit), Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: FOV is 8x5 cm.
© Pavel M. Kartashov

Cerite-(Ce): Ce+++9Fe+++(SiO4)6[(SiO3)(OH)](OH)3

Comments: Brownish pink, thin, massive crystalline coating of cerite-(Ce).
Location: Bastnas, Riddarhyttan, Sweden. Scale: See Image.
© Rruff Database