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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
Barringtonite: MgCO3·2(H2O) Lansfordite: MgCO3·5(H2O)
Comments: Optical images of clusters of glassy lansfordite crystals and one white dehydrated barringtonite ? crystal. (AmMin, 88:1883). Location: Crystals associated with the remains of a saguaro, Carnegiea gigantea from south and west central Arizona. Scale: Scale bar 800 µ-m. © American Mineralogist
Barroisite: [ ](CaNa)Mg3AlFe+++Si7AlO22(OH)2
Comments: Black, acicular, compact, massive barroisite. Location: Monte Beigua, Savona, Liguria, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Barstowite: Pb4(CO3)Cl6·(H2O)
Comments: SEM images of irregular prismatic barstowite with phosgenite. (MinMag, v55:378). Location: Lead-antimony vein at the southwestern end of Bounds Cliff, St Endellion, Cornwall, UK. Scale: Scale bar left 400 µm right 100 µm. © Mineralogical Magazine
Bartonite: K3Fe10S14
Comments: B&W polished section image showing an irregular remnant of bright pyrrhotite (py) in a matrix of bartonite (ba) veined by silicates. (AmMin, v66:369). Location: Found in a mafic, alkalic diatreme at Coyote Peak, Humboldt County, California, USA. Scale: Picture Size 1.3? x 1.94 mm. © American Mineralogist
Barylite: BaBe2Si2O7
Comments: Prismatic crystals of barylite exposed in a vug. Location: Eveslogchorr Mt , Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Comments: Blocky prisimatic clear crystals of barylite with black aegirine. Location: Mt. Malosa, Zomba plateau Malawi. Scale: 2 x 1.6 x 1.3 cm. © Fabre Minerals
Barysilite: Pb8Mn(Si2O7)3
Comments: Clear, round plates of barysilite on a manganiferous matrix. Location: Langban, Varmland, Sweden. Scale: Picture size 5 mm. © Tom Loomis / Dakota Matrix
Barytocalcite: BaCa(CO3)2
Comments: Pale pink crystalline barytocalcite in dark matrix. Location: Langban, Varmland, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Comments: White prismatic barytocalcite crystals to 6mm. Former Eaton Collection. Location: Alston Moor, Cumberland, England. Scale: 3x2x2cm. © Tom Loomis / Dakota Matrix
Barytolamprophyllite: Ba2Na3(Fe+++,Ti)3(Si2O7)2(O,OH,F)4 Lamprophyllite: Na2(Sr,Ba)2Ti3(SiO4)4(OH,F)2
Comments: Brownish-yellow barytolamprophyllite on dark green lamprophyllite. Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Basaluminite: Al4(SO4)(OH)10·5(H2O)
Comments: Clear, radial sprays of basaluminite crystals. Location: Lavender Pit, Bisbee, Cochise County, Arizona, USA. Scale: Size Not Given. © Lou Perloff / Photo Atlas of Minerals
Bassanite: 2CaSO4·(H2O)
Comments: White, blocky bassanite crystals on matrix. Location: Taft, Kern County, California, USA. Scale: Size Not Given. © Lou Perloff / Photo Atlas of Minerals
Bassetite: Fe++(UO2)2(PO4)2·8(H2O)
Comments: Bright yellow, bladed crystals of bassetite. Location: Capoterra, near Cagliari, Sardinia, Italy. Scale: Size Not Given. © Lou Perloff / Photo Atlas of Minerals
Bastnasite-(Ce): Ce(CO3)F
Comments: Platy crystal of bastnäsite-(Ce). Location: Trimouns, Luzenac, Ariège, France. Scale: 0.8 cm. © John Veevaert
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
Comments: Black, rounded, specular baumhauerite crystal on white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 1 cm. © Walter Gabriel