Mineral Specimen Images (B)

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

Beryl: Be3Al2Si6O18

Comments: Transparent Morganite, the pink variety of beryl.
Location: Nuristan, Laghman Province, Afghanistan. Scale: 9.2 x 6.5 cm.
© John Veevaert

Beryl: Be3Al2Si6O18

Comments: Transparent Heliodor, the yellow variety of beryl.
Location: Wolodarsk, Wolynsky, Ukraine. Scale: 2.8 x 0.7 cm.
© John Veevaert

Beryl: Be3Al2Si6O18

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

Beryllite: Be3SiO4(OH)2·(H2O)

Comments: Dirty white, soft, chalky filling of beryllite (Green Arrow) in a vuggy matrix.
Location: Lovozero, Mt. Karnasurt, Kola Peninsula, Russia. Scale: Size Not Given.
© Tom Loomis / Dakota Matrix

Beryllonite: NaBePO4

Comments: Clear twinned crystal of beryllonite.
Location: Telecio mine, Linopolis, Minas Gerais, Brazil. Scale: Crystal size 1 cm.
© John Veevaert

Berzelianite: Cu2Se  
Athabascaite: Cu5Se4  
Umangite: Cu3Se2

Comments: Reflected light photomicrograph of umangite (pinkish), berzelianite (gray), athabascaite (small white areas in berzelianite), calcite (olive).
Location: Sierra de Umango, La Rioja, Argentin. Scale: Not Given.
© Jeff Weissman / Photographic Guide to Mineral Species

Berzelianite: Cu2Se  
Bellidoite: Cu2Se

Comments: Dark bellidoite inclusions in black berzelianite with white calcite.
Location: Habri, near Tisnov, Jihomoravsky, Czech Republi. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Berzelianite: Cu2Se

Comments: Blue-black metallic massive berzelianite.
Location: Bukov, Western Moravia, Severocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Berzelianite: Cu2Se  
Novakite: (Cu,Ag)21As10

Comments: Gray metallic dendritic novakite in white calcite with tarnished black berzelianite.
Location: Cerny Dul, Bohemia, Vychodocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Berzelianite: Cu2Se  
Umangite: Cu3Se2

Comments: Black massive umangite intergrown with dark blue metallic berzelianite.
Location: Borsov, Bohemia, Vychodocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Berzeliite: (Ca,Na)3(Mg,Mn)2(AsO4)3

Comments: White calcite with included grains of yellowish-orange berzeliite in matrix.
Location: Langban, Filipstad, Varmland, Sweden. Scale: 3 x 2.2 cm.
© John Veevaert

Betafite: (Ca,U)2(Ti,Nb,Ta)2O6(OH)

Comments: Brown hexoctahedral crystal of betafite on greenish apatite crystals.
Location: Silver Crater Mine, Bancroft, Ontario, Canada. Scale: 2-1/4 cm across.
© Paul M. Schumacher

Betekhtinite: Cu10(Fe,Pb)S6

Comments: Black crystalline aggregate of betekhtinite with white calcite.
Location: Twin Pocket, Mine #57, Dzhezkazgan, Kazakhstan. Scale: 9.5 x 7.5 cm.
© Fabre Minerals

Betpakdalite: [Mg(H2O)6]Ca2(H2O)13[Mo++++++8As+++++2Fe+++3O36(OH)]·4(H2O)

Comments: Yellow crust of betpakdalite on quartzite.
Location: Sadisdorf, Erzgebirge, Sachsen, Germany. Scale: 10 x 6 cm.
© Thomas Witzke / Abraxas-Verlag

Beudantite: PbFe+++3(AsO4)(SO4)(OH)6

Comments: Sharp and lustrous crystals of beudantite to 4 mm across on quartz.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: 2.7 x 2.5 cm.
© John Veevaert

Beudantite: PbFe+++3(AsO4)(SO4)(OH)6  
Scorodite: Fe+++AsO4·2(H2O)

Comments: Blue, 2 cm in length scorodite crystals on a sparkling matrix of brilliant brown-black beudantite.
Location: Tsumeb, Namibia. Scale: 8 x 5 x 3 cm.
© John Schneider

Beusite: (Mn++,Fe++,Ca,Mg)3(PO4)2

Comments: Massive pale pinkish-beige beusite with blue vivianite.
Location: Remmelberg, Oberpfalz, Bavaria, Germany. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Beyerite: (Ca,Pb)Bi2(CO3)2O2

Comments: Greenish yellow crusts of beyerite on pegmatite.
Location: Harding Mine, Taos County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species