Mineral Specimen Images (B)

Benyacarite: (H2O,K)2Ti(Mn++,Fe++)2(Fe+++,Ti)2Ti(PO4)4(O,F)2·14(H2O)

Comments: Clear, transparent, pseudo-cubic benyacarite crystals on matrix.
Location: Folgosinho Quarry, Folgosinho, Gouveia, Guarda District, Portugal. Scale: Specimen Size 4 x 3 cm.
© Sergio Varvello / Mineral Service

Beraunite: Fe++Fe+++5(PO4)4(OH)5·4(H2O)

Comments: Green and reddish brown, beraunite aggregates.
Location: Arean Claim, Three Oak Gap, Mena, Polk County, Arkansas, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Berborite: Be2(BO3)(OH,F)·(H2O)

Comments: Colorless, nearly transparent crystalline berborite in matrix.
Location: Saga Quarry, Tvedalen, Vestfold, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Berezanskite: KLi3Ti2Si12O30

Comments: Granular white berezanskite in quartz.
Location: Dara-i-Pioz Glacier, Altai Range, Tadzhikistan. Scale: Specimen Size 1.5x2.5 cm.
© Diederik Visser

Bergenite: Ca2Ba4[(UO3)2O2(PO4)2]3 (H2O)16

Comments: Yellow bladed bergenite crystals.
Location: Mechelserrun, Saxony, Germany. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

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

Bertrandite: Be4Si2O7(OH)2

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

Beryl: Be3Al2Si6O18

Comments: Transparent Aquamarine, the blue variety of beryl.
Location: Nagar, Pakistan. Scale: 3 x 4 x 8.5 cm.
© Dan Weinrich