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Bergenite: Ca2Ba4[(UO3)2O2(PO4)2]3 (H2O)16
Comments: Bladed, radial aggregates of yellow bergenite crystals on matrix. Location: Bergen, Falkenstein, Vogtland, Saxony, Germany. Scale: Picture size 2.5 mm. © Paul M. Schumacher
Bergslagite: CaBe(AsO4)(OH)
Comments: White (fluorescent) veinlet of bergslagite cutting through metallic, gray hematite. Location: Langban Mine Dump, Langban, Varmland, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Berlinite: AlPO4 Trolleite: Al4(PO4)3(OH)3
Comments: Pinkish crystalline berlinite with blue trolleite. Location: Ijzer Mine, Vestana, Christiansted, Varmland, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Berlinite: AlPO4 Lacroixite: NaAl(PO4)F
Comments: Pale olive green crystalline lacroixite with white crystalline berlinite. Location: Rusororo Pegmatite, Gatumba, Gisenyi, Rwanda. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bermanite: Mn++Mn+++2(PO4)2(OH)2·4(H2O)
Comments: Brown bermanite crystal. Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Size Not Given. © Lou Perloff / Photo Atlas of Minerals
Bernalite: Fe(OH)3
Comments: B&W image of pseudo-octahedral crystals of bernalite on goethite. (AmMin, v78:827). Location: Proprietary mine, Broken Hill, New South Wales, Australia. Scale: Scale Bar 3 mm. © American Mineralogist
Berndtite: SnS2 Tschermigite: (NH4)Al(SO4)2·12(H2O)
Comments: Yellow crystalline berndtite on tschermigite. Location: Shamokin, Northumberland County, Pennsylvania, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Berryite: Cu3Ag2Pb3Bi7S16 Aikinite: PbCuBiS3
Comments: Fine-grained, gray, metallic granular berryite with silvery, metallic, prismatic aikinite. Location: Mike Mine, San Juan County, Colorado. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Berthierine: (Fe++,Fe+++,Al,Mg)2-3(Si,Al)2O5(OH)4
Comments: Berthierine-1M, black pseudomorphs after cordylite-(Ce) crystals. Location: Mont Saint Hilaire, Quebec, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Berthierite: FeSb2S4
Comments: Prismatic crystals of berthierite, tarnished bronze metallic, with stibnite and quartz crystals. Location: San Martin Mine, Zacatecas, Mexico. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bertossaite: Li2CaAl4(PO4)4(OH)4
Comments: Pale pinkish crystalline bertossaite with yellowish apatite and blue lazulite. Location: Buranga Pegmatite, near Gatumba, Gisenyi, Rwanda. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bertrandite: Be4Si2O7(OH)2
Comments: Colorless prismatic crystals of bertrandite on matrix with pale pink rhombohedral crystals of rhodochrosite. Location: Yiaoguanshen mine, Hunan Province, China. Scale: 3.5 x 4 cm. © Dan Weinrich
Comments: Fan-like clusters of bertrandite crystals with brown rhodochrosite and quartz. Location: Kara Oba, Kazakhstan. Scale: Crystal size 1.1 cm. © John Veevaert
Beryl: Be3Al2Si6O18
Comments: Transparent Goshenite, the colorless variety of beryl with orthoclase and muscovite. Location: Pingwu, Sichuan, China. Scale: 9 x 8.5 cm. © Fabre Minerals
Comments: Transparent Aquamarine, the blue variety of beryl. Location: Nagar, Pakistan. Scale: 3 x 4 x 8.5 cm. © Dan Weinrich
Beryl: Be3Al2Si6O18 Calcite: CaCO3
Comments: Transparent emerald, the green variety of beryl on calcite (marble) matrix. Location: Coscuez, Boyacá, Colombia. Scale: 2.5 x 2.5 cm. © Fabre Minerals
Comments: Transparent Morganite, the pink variety of beryl. Location: Nuristan, Laghman Province, Afghanistan. Scale: 9.2 x 6.5 cm. © John Veevaert
Comments: Transparent Heliodor, the yellow variety of beryl. Location: Wolodarsk, Wolynsky, Ukraine. Scale: 2.8 x 0.7 cm. © John Veevaert
Comments: Red beryl prism on rhyolite matrix. Location: Violet claims, Wah Wah Mountains, Beaver County, Utah, USA. Scale: Size Not Given. © Lou Perloff / Photo Atlas of Minerals
Beryl: Be3Al2Si6O18 Apatite-(CaF): Ca5(PO4)3F Muscovite: KAl2(Si3Al)O10(OH,F)2 Apatite: Ca5(PO4)3(OH,F,Cl)
Comments: Pink crystals of fluorapatite with pale blue beryl (aquamarine) on books of muscovite crystals. Location: Nagar area, Gilgit district, Northern Areas, Pakistan. Scale: 3 x 3 cm. © Dan Weinrich