's Image Gallery

Buserite:  
Birnessite: (Na,Ca,K)x(Mn++++,Mn+++)2O4·1.5(H2O)

Comments: Round, "rabbit pellets" of buserite which dehydrates to birnessite when dry. Image photographed through water which is needed to preserve this species.
Location: Aomori Springs, Oppu, Japan. Scale: Sphere size 7 mm.
© Dave Barthelmy

Bushmakinite: Pb2Al(PO4)(VO4)(OH)

Comments: Small grain of bushmakinite on sample holder.
Location: Beresovskoye Deposit, Middle Urals, Russia. Scale: Grid Size 1 mm.
© Sergey Vasiliev / Systematic Mineralogy

Bussenite: Na2(Ba,Sr)2(Fe,Mn)TiSi2O7(CO3)(OH)3F

Comments: Crystal fragment of bussenite on sticky tape.
Location: Kukisvumchorr Mt., Khibiny Massif, Kola Peninsula, Russia. Scale: Crystal size 2 mm.
© Sergey Vasiliev / Systematic Mineralogy

Bussyite-(Ce): (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4

Comments: SEM image of a spray of bussyite-(Ce) with hexagonal plates of catapleiite. Inset image shows detail of crystal terminations. (CanMin, v47:193).
Location: Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Scale: Picture size 1.5mm.
© Canadian Mineralogist

Bustamite: (Mn,Ca)3Si3O9

Comments: Very course crystals of brownish red bustamite to 3cm in pink calcite.
Location: Zinc Corp mine, Broken Hill, NSW, Australia. Scale: 7 cm.
© John Attard

Butlerite: Fe+++(SO4)(OH)·2(H2O)

Comments: Orange butlerite crystals.
Location: United Verde mine, Jerome, Yavapai County, Arizona, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Butschliite: K2Ca(CO3)2

Comments: Slightly fibrous to granular massive butschliite.
Location: Near Shavings Lake, Renfrew County, Ontario, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Buttgenbachite: Cu19Cl4(NO3)2(OH)32·2(H2O)

Comments: A blue crystal of buttgenbachite.
Location: Likasi Mine, Likasi, Shaba (Katanga), Congo (Zaïre). Scale: Crystal length 3.1 mm.
© Thomas Witzke / Abraxas-Verlag

Bykovaite: BaNa{(Na,Ti)4[(Ti,Nb)2(OH,O)3Si4O14](OH,F)2}·3H2O

Comments: Creamy transparent silky bykovaite crystals in matrix.
Location: Mt. Alluaiv, Lovozero, Kola, Russia. Scale: Not Given.
© Diederik Visser

Bystrite: (Na,K)7Ca(Si6Al6)O24S4.5·(H2O)  
Lazulite: MgAl2(PO4)2(OH)2

Comments: Brownish-yellow bystrite grains with blue lazulite in an igneous rock.
Location: Malo-Bystrinskoye lazurite deposit, Tunka Valley, Sludyanka, Lake Baikal Region, Russia. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Bystromite: MgSb2O6

Comments: Dark brown bystromite in quartz.
Location: La Fortuna Mine, El Antimonio, Aqua Prieta, Sonora, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bytownite: (Ca,Na)(Si,Al)4O8  
Plagioclase: (Na,Ca)(Si,Al)4O8

Comments: Translucent crystalline bytownite.
Location: Crystal Bay, Hennepin County, Minnesota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cabalzarite: Ca(Mg,Al,Fe++)2(AsO4)2(H2O,OH)2

Comments: Brownish crystals of cabalzarite on matrix.
Location: Falotta, Tinizong (Tinzen), Sursass (Oberhalbstein), Grischun (Grisons; Graubünden), Switzerland. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Cabriite: Pd2SnCu  
Sperrylite: PtAs2

Comments: Small crystal of dull gray cabriite on a larger tin-white sperrylite crystal.
Location: Dzhezhazgan, Kazakhstan. Scale: Crystal size 1.5 mm.
© John Veevaert

Cabriite: Pd2SnCu  
Sperrylite: PtAs2

Comments: Polished section (PPL) image of a ovoid grain of cabriite (Ca) rimmed by native silver (Ag) in a matrix of brownish cubanite (Cu), with tawny chalcopyrite (Cp). Surrounded on three sides by coarse, millimetric crystals of sperrylite (Sp).
Location: Noril’sk-Talnakh mining district of northwestern Russia. (CanMin, v40:473). Scale: Feld of view 1.2 mm.
© Canadian Mineralogist

Cacoxenite: (Fe+++,Al)25(PO4)17O6(OH)12·75(H2O)

Comments: Radial, spherical individual crystal sprays of brownish yellow cacoxenite.
Location: El Horcajo (Ciudad Real), Spain. Scale: 0.5 mm diameter.
© Tom Loomis / Dakota Matrix

Cacoxenite: (Fe+++,Al)25(PO4)17O6(OH)12·75(H2O)  
Strengite: Fe+++PO4·2(H2O)

Comments: Lilac colored, spear-head shape crystals of strengite to 5mm in large, open vug associated with golden fibrous cacoxenite.
Location: Coon Creek, Polk Co., Arkansas, USA. Scale: Picture size 2 cm.
© Tom Loomis / Dakota Matrix

Cadmoindite: CdIn2S4

Comments: Tiny speck of brown cadmoindite adhered to double-stick tape mounted in an acrylic box for protection.
Location: Kudriavy, Iturup Island, Russia. Scale: Speck size - Microscopic.
© John Betts - Fine Minerals

Cadmoselite: CdSe

Comments: Black cadmoselite grains in quartz.
Location: Republic of Tuva, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Cadwaladerite: Al(OH)2Cl·4(H2O)

Comments: Yellow crystalline grain of cadwaladerite, somewhat deliquescent.
Location: Cerro Pintados, south east of Iquique, Tarapaca, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species