Mineral Specimen Images (B)

Bastnasite-(La): La(CO3)F

Comments: Orange, hexagonal crystal of bastnäsite-(La).
Location: Red Cloud mines, Gallinas Mountains, Lincoln County, New Mexico, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Batiferrite: Ba(Ti2Fe+++8Fe++2)O19

Comments: Gray hexagonal crystal of batiferrite on matrix.
Location: Graulai (Grauley), near Hillesheim, Eifel Mts, Rhineland-Palatinate, Germany. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Batisite: BaNaNaTi2O2[Si4O12]

Comments: Vitreous, translucent, brownish orange crystals of batisite.
Location: Malyi Murun, Siberia, Russia. Scale: crystals up to 4 to 7 mm.
© John Veevaert

Baumhauerite: Pb3As4S9

Comments: Opaque, lustrous, parallel crystalline baumhauerite aggregates.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Baumhauerite: Pb3As4S9

Comments: Black, rounded, specular baumhauerite crystal on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 1 cm.
© Walter Gabriel

Baumhauerite-2a: Pb3As4S9  
Sphalerite: (Zn,Fe)S

Comments: Dark crystal of baumhauerite-2a (same shape as baumhauerite) with olive-green transparent sphalerite crystal on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture 2 cm tall.
© Walter Gabriel

Baumstarkite: Ag3(Sb,As)2SbS6

Comments: Fragments of baumstarkite with zoning of darker lamellae with higher As content. (AmMin 87:755).
Location: San Genaro mine, Huancavelica Department, Peru.. Scale: See Image.
© American Mineralogist

Bauranoite: BaU2O7·4-5(H2O)

Comments: Massive, orange-brown crystalline aggregate of bauranoite.
Location: Strel'tsovskoye ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Bavenite: Ca4Be2Al2Si9O26(OH)2

Comments: Clear, acicular bavenite crystals.
Location: Foote mine, Kings Mountain, Cleveland County, North Carolina, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Bayldonite: (Cu,Zn)3Pb(AsO3OH)2(OH)2

Comments: Green, rounded, crystalline bayldonite aggregates.
Location: Tsumeb mine, Tsumeb, Namibia. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Bayleyite: Mg2(UO2)(CO3)3·18(H2O)

Comments: Stellate aggregates of pale greenish white, acicular bayleyite crystals on a gossanous matrix with white, snowy aragonite.
Location: Hideout #1 mine, White Canyon district, San Juan County, Utah, USA. Scale: Picture size 3.5 mm.
© Paul M. Schumacher

Bayleyite: Mg2(UO2)(CO3)3·18(H2O)

Comments: Bright yellow coatings of bayleyite.
Location: Near Moab, Grand County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bayleyite: Mg2(UO2)(CO3)3·18(H2O)

Comments: Stellate aggregates of acicular bayleyite crystals under short wave UV light showing pale green fluorescence.
Location: Hideout #1 mine, White Canyon district, San Juan County, Utah, USA. Scale: Picture size 3.5 mm.
© Paul M. Schumacher

Bazhenovite: CaS5·CaS2O3·6Ca(OH)2·20(H2O)

Comments: Yellow, bladed crystals of bazhenovite on matrix.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Bazirite: BaZrSi3O9  
Sanbornite: BaSi2O5

Comments: Clear glassy minute grains of bazinite to 1mm through out matrix of milky-white sanbornite. The bazirite fluoresces light blue.
Location: Snow Cap mine, Rush Creek, Fresno Co., California, USA. Scale: 6.5 x 3 x 2.5cm.
© Tom Loomis / Dakota Matrix

Bazzite: Be3(Sc,Al)2Si6O18

Comments: Blue crystals of bazzite.
Location: Thiemendorf near Königshain, Lausitz, Sachsen, Germany. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Beaverite: PbCu++(Fe+++,Al)2(SO4)2(OH)6  
Mottramite: PbCu(VO4)(OH)

Comments: Specimen of quartz with a thick druse of green mottramite (cuprodescloizite) crystals and a scattered grouping of micro beaverite crystals (lemon yellow in color).
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: 3.3 x 2.5 cm.
© John Veevaert

Beaverite: PbCu++(Fe+++,Al)2(SO4)2(OH)6

Comments: Yellow earthy coating of beaverite.
Location: Hornsilver Mine, Frisco, Beaver County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Becquerelite: Ca(UO2)6O4(OH)6·8(H2O)

Comments: Yellow becquerelite crystals.
Location: Shinkolobwe mine, Tantara, Shaba, Dem. Repub. Congo. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Becquerelite: Ca(UO2)6O4(OH)6·8(H2O)  
Schoepite: (UO2)8O2(OH)12·12(H2O)

Comments: Bright yellow crystals of schoepite on transparent yellow becquerelite.
Location: Shinkolobwe mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: .
© Lou Perloff / Photo Atlas of Minerals