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Barylite: BaBe2Si2O7
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
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
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