Rruff Database's Image Gallery

Bariandite: Al0.6V8O20·9(H2O)

Comments: Dark bluish black bladed radiating aggregates of bariandite.
Location: Mounana mine, Franceville, Haut-Ogooué, Gabon. Scale: See Image.
© Rruff Database

Bario-olgite: Na(Ba,Sr,Na,REE)PO4  
Manaksite: KNaMn++Si4O10

Comments: Pale brown massive manaksite associated with grayish-green bario-olgite, purple ussingite and colorless serandite.
Location: Palitra pegmatite, Kedykverpakhk Mountain, Lovozero massif, Kola Peninsula, Russia. Scale: See Image.
© Rruff Database

Benavidesite: Pb4(Mn,Fe)Sb6S14

Comments: Gray tabular benavidesite crystals associated with quartz.
Location: Bear Basin Mines, Bear Basin, North Bend, King County, Washington, USA. Scale: See Image.
© Rruff Database

Bicchulite: Ca2Al2SiO6(OH)2

Comments: White microcrystalline bicchulite associated with calcite and vesuvianite.
Location: Fuka Mine, Bitchu-Cho, Okayama Prefecture, Chugoku Region, Honshu Island, Japan. Scale: See Image.
© Rruff Database

Bobdownsite: Ca9Mg(PO3F)(PO4)6

Comments: Colorless hexagonal tabular bobdownsite crystals in the type sample.
Location: Big Fish River, Yukon Territory, Canada. Scale: See Image.
© Rruff Database

Bobtraillite: (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12·12H2O

Comments: Transparent, hexagonal bobtraillite prisms, co-type material.
Location: Mont Saint-Hilaire, Rouville County, Quebec, Canada. Scale: See Image.
© Rruff Database

Bowieite: (Rh,Ir,Pt)1.77S3

Comments: Epoxy grain mount of polished gray metallic grains or bowieite.
Location: Novoseltsi, Burgas Oblast (Bourgas Oblast), Bulgaria. Scale: See Image.
© Rruff Database

Brewsterite-Ba: (Ba,Sr)Al2Si6O16·5(H2O)

Comments: Colorless to off-white striated prismatic brewsterite-Ba crystals.
Location: Strontian, North West Highlands (Argyllshire), Scotland, UK. Scale: See Image.
© Rruff Database

Brizziite-III: NaSb+++++O3  
Brizziite-VII: NaSb+++++O3

Comments: Colorless thin hexagonal plates of brizziite. Brizzite-VII and brizzite-III are the same mineral with different Dana classification numbers.
Location: Le Cetine di Cotorniano, Chiusdino, Siena Province, Tuscany, Italy. Scale: See Image.
© Rruff Database

Brizziite-VII: NaSb+++++O3  
Brizziite-III: NaSb+++++O3

Comments: Colorless thin hexagonal plates of brizziite. Brizzite-VII and brizzite-III are the same mineral with different Dana classification numbers.
Location: Le Cetine di Cotorniano, Chiusdino, Siena Province, Tuscany, Italy. Scale: See Image.
© Rruff Database

Calciogadolinite: CaREE(Fe+++)Be2Si2O10  
Gadolinite-(Y): Y2Fe++Be2Si2O10

Comments: Black vitreous, metamict massive gadolinite-(Y) also known as calcian gadolinite.
Location: Ytterøya Mine, Røvika, Ytterøya (island), Levanger, Nord-Trondelag, Norway. Scale: See Image.
© Rruff Database

Calciouranoite: (Ca,Ba,Pb)U2O7·5(H2O)  
Metacalciouranoite: (Ca,Na,Ba)U2O7·2(H2O)

Comments: Cryptocrystalline looking, greasy yellow blotches, of amorphous calciouranoite (probably, in part, dehydrated to matacalciouranoite).
Location: Oktyabr'skoye Mo-U deposit, east Transbaikal region, Russia. Scale: See Image.
© Rruff Database

Cameronite: AgCu7Te10  
Rickardite: Cu7Te5  
Vulcanite: CuTe

Comments: Gray metallic massive cameronite showing subconchoidal fracture associated with purple rickardite and bronzy plates of vulcanite in a mass of tellurium, co-type specimen.
Location: Good Hope mine, Vulcan District, Gunnison County, Colorado, USA. Scale: See Image.
© Rruff Database

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

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

Cernyite: Cu2CdSnS4

Comments: Gray massive, metallic cernyite.
Location: Hugo Mine, Keystone, Keystone District, Pennington County, South Dakota, USA. Scale: See Image.
© Rruff Database

Cesplumtantite: (Cs,Na,Ca)2(Pb,Sb+++,Sn)3Ta8O24

Comments: Brownish yellow cesplumtantite aggregate grains.
Location: Manono, Shaba, Congo. Scale: See Image.
© Rruff Database

Chabourneite: (Tl,Pb)21(Sb,As)91S147  
Smithite: AgAsS2

Comments: Black metallic chabourneite with conchoidal fracture, associated with yellow-red realgar and deep-red smithite.
Location: Jas Roux, Pelvoux Mt., Valgaudemar, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France. Scale: See Image.
© Rruff Database

Chistyakovaite: Al(UO2)2(AsO4)2(F,OH)·6.5H2O

Comments: Platy fragment of a pale yellow crystal of chistyakovaite sealed in plastic bag, co-type material.
Location: Bota-Burum U deposit, Kazakhstan. Scale: See Image.
© Rruff Database

Clinobarylite: BaBe2Si2O7

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