's Image Gallery

Boromuscovite: KAl2(Si3B)O10(OH,F)2

Comments: Grayish-white coatings of boromuscovite on lavender lepidolite crystals.
Location: Little Three Mine, Ramona, San Diego County, Californi, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Borovskite: Pd3SbTe4  
Temagamite: Pd3HgTe3  
Merenskyite: (Pd,Pt)(Te,Bi)2

Comments: Borovskite (Bvk) - temagamite (Tmg) - merenskyite (Mrk) composite grain included in chalcopyrite (Ccp). (CanMin, v 42, p 674).
Location: McBratney high-grade PGE-Au occurrence, Bear Lake mafic unit, Proterozoic Flin Flon greenstone belt, Manitoba, Canada. Scale: See Image.
© Canadian Mineralogist

Botallackite: Cu2Cl(OH)3

Comments: Well crystallized (although the crystals are small) botallackite on matrix.
Location: A European classic from the type locality, Botallack mine, St Just, England. Scale: 5 x 4 cm.
© Fabre Minerals

Botryogen: MgFe+++(SO4)2(OH)·7(H2O)

Comments: Bright orange botryogen on white calcite showing it's characteristic botryoidal "grape-like" morphology.
Location: Cerro Pintados, Poza Almonte, Pampa del Tamarugal, Chile. Scale: Picture size 1 cm.
© John Veevaert

Botryogen: MgFe+++(SO4)2(OH)·7(H2O)

Comments: Reddish to yellowish crystalline botryogen.
Location: Redington Mercury Mine, Knoxville, Napa County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Botryogen: MgFe+++(SO4)2(OH)·7(H2O)  
Redingtonite: (Fe++,Mg,Ni)(Cr,Al)2(SO4)4·22(H2O)

Comments: Pale pink granular redingtonite on yellow-brown botryogen.
Location: Redington Mine, Knoxville, Napa County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bottinoite: NiSb+++++2(OH)12·6(H2O)

Comments: Pale blue botryoidal bottinoite on calcite.
Location: Dornberg, Ramsbeck, Sauerland, Nordrhein-Westfalen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bouazzerite: Bi6(Mg,Co)11Fe14[AsO4]18O12(OH)4(H2O)86

Comments: SEM image of prismatic bouazzerite crystals associated with botryoidal powellite and minute cubic crystals of alumopharmacosiderite.
Location: From the "Filon 7" (French for Vein 7) through "Puits 1" (shaft 1), Bou Azzer mine, Anti-Atlas, Morocco.. Scale: See Image.
© American Mineralogist

Boulangerite: Pb5Sb4S11

Comments: Specimen of sulfide rich matrix with a surface coated with hair-like crystals of boulangerite.
Location: Noche Buena Mine, Zacatecas, Mexico. Scale: 9 x 6.5 cm.
© John Veevaert

Bournonite: PbCuSbS3

Comments: Lustrous, silvery crystals of bournonite on massive bournonite.
Location: Mercedes Mine, Huanuco Dept., Peru. Scale: 3x3x2.7 cm.
© Isaias Casanova / IC Minerals

Bournonite: PbCuSbS3

Comments: Bright, blocky crystalline aggregate of steel gray bournonite crystals.
Location: Yao-gan-xian mine, Hunan China. Scale: Picture size 2 cm.
© Fabre Minerals

Boussingaultite: (NH4)2Mg(SO4)2·6(H2O)

Comments: White, crystalline aggregates boussingaultite.
Location: Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Bowieite: (Rh,Ir,Pt)1.77S3

Comments: Epoxy grain mount of polished gray metallic grains or bowieite.
Location: Novoseltsi, Burgas Oblast (Bourgas Oblast), Bulgaria. Scale: See Image.
© Rruff Database

Boyleite: (Zn,Mg)SO4·4(H2O)

Comments: Powdery white crust of boyleite on pyrite.
Location: Kotzebue, Alaska, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Brabantite: CaTh(PO4)2

Comments: Altering micro grain of brabantite.
Location: Kuttakuzhi, near Trivandrum, Travancore, Kerala, India. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Brackebuschite: Pb2(Mn,Fe++)(VO4)2(OH)  
Krettnichite: PbMn+++2(VO4)2(OH)2

Comments: Scanning electron microscope image of a prismatic krettnichite (kr) aggregate associated with manganite (ma) and barian brackebuschite (br) in a vug. The inset is a close-up illustrating the morphology of brackebuschite. (Eur. J. Mineral, 13:146).
Location: hydrothermal manganite-quartz vein at the historic manganese deposit of Krettnich, Saarland, Germany. Scale: See Image.
© Eur. J. Mineral

Bradaczekite: NaCu4(AsO4)3

Comments: SEM image of the aggregates of bradaczekite crystals. (CanMin, v39 , p 1116).
Location: North Breach of the Great fissure Tolbachik eruption (GFTE) in 1975-1976, Kamchatka Peninsula, Russia. Scale: Magnification: ~ 600x.
© Canadian Mineralogist

Bradleyite: Na3Mg(PO4)(CO3)  
Loughlinite: Na2Mg3Si6O16·8(H2O)

Comments: Silky fibrous veinlets of loughlinite with bradleyite.
Location: Green River area, Sweetwater County, Wyoming, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Braggite: (Pt,Pd,Ni)S

Comments: Silvery grain of braggite in brassy-iridescent pentlandite matrix.
Location: Stillwater Complex, Sweetwater Co., Montana, USA. Scale: 3 mm grain.
© Tom Loomis / Dakota Matrix

Braitschite-(Ce): (Ca,Na2)7(Ce,La)2B22O43·7(H2O)

Comments: Aggregates of white to red-brown platy Braitschite-(Ce) in halite matrix.
Location: Cane Creek near Moab, Grand Co., Utah, USA. Scale: Specimen Size 2x2.5 cm.
© Diederik Visser