Mineral Specimen Images (B)

Burgessite: Co2(H2O)4[(AsO3OH)]2·(H2O)

Comments: SEM photographs of a rosette of burgessite. (CanMin, v47:159).
Location: Keeley mine, South Lorrain Township, Timiskaming District, Ontario, Canada.. Scale: Picture size50 µm.
© Canadian Mineralogist

Burkeite: Na6(CO3)(SO4)2

Comments: Translucent to opaque vuggy mass of burkeite.
Location: Searles Lake, San Bernardino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Burnsite: KCdCu7O2(SeO3)2Cl9  
Cotunnite: PbCl2

Comments: Images of burnsite grains (dark) in intimate intergrowth with cotunnite (light). Images obtained by scanning electron microscopy.
Location: North Breach of the great fissure Tolbachik volcano eruption (1975-1976), Kamchatka Peninsula, Russia. Scale: Scale bar: 20 µ-m.
© Canadian Mineralogist

Burpalite: Na2CaZrSi2O7F2

Comments: Yellow crystalline grains of burpalite.
Location: Burpala, Transbaikal, Republic of Buryatia, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Buryatite: Ca3(Si,Fe+++,Al)[SO4][B(OH)4](OH,O)6·12(H2O)

Comments: Vitreous colorless buryatite on matrix.
Location: Solongo B deposit, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

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