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Balkanite: Cu9Ag5HgS8
Comments: Gray aggregate of balkanite on quartz. Location: Manhattan District, Nye Co., Nevada, USA. Scale: Picture Size 0.4 cm. © Jeff Weissman / Photographic Guide to Mineral Species
Bannisterite: KCa(Mn,Fe++,Zn,Mg)21(Si,Al)32O76(OH)16·4-12(H2O)
Comments: Deep red micaceous bannisterite. Location: Zinc Mine, Broken Hill, New South Wales, Australia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Baotite: Ba4(Ti,Nb)8Si4O28Cl Columbite-(Fe): Fe++Nb2O6
Comments: Minute brown crystalline grains of baotite in dark ferrocolumbite (columbite-(Fe)). Location: Sheep Creek, Ravalli County, Montana. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bararite: (NH4)2SiF6 Cryptohalite: (NH4)2SiF6
Comments: White crystalline bararite intermixed with cryptohalite colored yellow by selenium. Location: Shamokin, Northumberland County, Pennsylvani, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Baratovite: KCa7(Ti,Zr)2Li3Si12O36F2
Comments: Pale pink, pearly, micaceous baratovite in syenite rock. Location: Dara-Pioz, Tien Shan, Tadzhikistan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Barbertonite: Mg6Cr2(CO3)(OH)16·4(H2O)
Comments: Crystalline, red barbertonite in white and green serpentinite rock. Location: Nevada Creek, Tasmania, Australia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Barentsite: Na7AlH2(CO3)4F4
Comments: White, powdery barentsite. Location: Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Baricite: (Mg,Fe++)3(PO4)2·8(H2O)
Comments: Blue, micaceous baricite with some yellow iron staining. Location: Rapid Creek, Yukon Territory, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bariopyrochlore: (Ba,Sr)(Nb,Ti)2(O,OH)7
Comments: Yellow crystalline massive bariopyrochlore. Location: Catalao #2 Mine, Goias, Brazil. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Barringerite: (Fe,Ni)2P
Comments: Dark barringerite inclusions in nickel-iron meteorite (polished section. Location: Canon Diablo Meteorite, Meteor Crater, Canon Diablo, Coconino County, Arizona, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species