's Image Gallery

Bahianite: Al5Sb+++++3O14(OH)2

Comments: Rounded grain of bahianite.
Location: Garimpo de Morro, Paramirim Region, Bahia, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bakerite: Ca4B4(BO4)(SiO4)3(OH)3·(H2O)

Comments: Porcelain-like, massive bakerite.
Location: Twenty Mule Canyon, Death Valley, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bakhchisaraitsevite: Na2Mg5(PO4)4·7(H2O)

Comments: Yellow-brown, platy or thin tabular crystals of bakhchisaraitsevite from an Iron mine. Red arrow indicates the mineral.
Location: Kovdor massif, Kola peninsula, Russia. Scale: 5mm.
© Tom Loomis / Dakota Matrix

Bakhchisaraitsevite: Na2Mg5(PO4)4·7(H2O)

Comments: Crystals of beige-colored bakhchisaraitsevite crystals in hydrothermal assemblage with colorless bobierrite on dolomite from a cavity in a deformed vein of dolomite carbonatite (CanMin, v 38, p 832).
Location: Kovdor Phosphorite-Carbonatite complex, Russia. Scale: See Image.
© Nataly A. Pekova

Baksanite: Bi6Te2S3

Comments: Gray metallic grain of baksanite surrounded by white calcite.
Location: Tyrnyauz, Kabardino-Balkaria Republic, North Caucasus, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Balangeroite: (Mg,Fe+++,Fe++,Mn++)42Si16O54(OH)40

Comments: Brown fiberous crystals of balangeroite in metamorphic shist.
Location: Mt. S,Vittore, Balangero, Piedmont, Italy. Scale: 5 1/2" x 2 1/4".
© Chris Wright / Wrights Rock Shop

Balkanite: Cu9Ag5HgS8

Comments: B&W image of a polished section of balkanite with polysynthetic twinning. (AmMin v58:11).
Location: Sedmochislenitsi mine, Vratsa district, in the western part of the Stara Planina, Bulgaria. Scale: 330 X.
© American Mineralogist

Balkanite: Cu9Ag5HgS8

Comments: Gray aggregate of balkanite on quartz.
Location: Manhattan District, Nye Co., Nevada, USA. Scale: Picture Size 0.4 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Bambollaite: Cu(Se,Te)2

Comments: Grannular aggregate of massive bambollaite-bearing ore.
Location: Moctezuma mine, Sonora, Mexico. Scale: Not Given.
© Jeanne S. Broome / ASDM Sonoran Desert Digital Library

Bamfordite: Fe+++Mo2O6(OH)3·(H2O)

Comments: Scanning electron micrograph showing the typical morphology of bamfordite crystals. (AmMin, 83:173).
Location: Abandoned W-Mo-Bi mines at Bamford, Queensland, Australia. Scale: Scale Bar 20 µm.
© American Mineralogist

Banalsite: BaNa2Al4Si4O16

Comments: Massive brown to flesh colored banalsite in matrix.
Location: Benallt Mine, Lleyn Peninsula, Wales, UK. Scale: Specimen Size 5x6 cm.
© Diederik Visser

Bandylite: CuB(OH)4Cl

Comments: Blue crystals of bandylite on quartz.
Location: Queténa mine, Calama, Antofagásta Province, Chile. Scale: 8x5x3 cm.
© John Betts - Fine Minerals

Bannisterite: KCa(Mn,Fe++,Zn,Mg)21(Si,Al)32O76(OH)16·4-12(H2O)

Comments: Deep red micaceous bannisterite.
Location: Zinc Mine, Broken Hill, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Baotite: Ba4(Ti,Nb)8Si4O28Cl  
Columbite-(Fe): Fe++Nb2O6

Comments: Minute brown crystalline grains of baotite in dark ferrocolumbite (columbite-(Fe)).
Location: Sheep Creek, Ravalli County, Montana. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Baotite: Ba4(Ti,Nb)8Si4O28Cl

Comments: Brown masses of crystalline baotite in white quartz matrix.
Location: Inner Mongolia, Autonomous Region, China. Scale: Picture size 2 cm.
© Tom Loomis / Dakota Matrix

Barahonaite-(Al): (Ca,Cu,Na,Fe+++,Al )12Al2(AsO4)8(OH,Cl)x·nH2O

Comments: Blue botryodal encrustations of barahonaite-(Al) in a gossanous matrix.
Location: 80' level, Gold Hill Mine (Western Utah Mine), Gold Hill, Gold Hill District (Clifton District), Deep Creek Mtns, Tooele County, Utah, USA. Scale: Specimen Size 1 x 0.7 cm.
© Jim McEwen / Lehigh Minerals

Barahonaite-(Al): (Ca,Cu,Na,Fe+++,Al )12Al2(AsO4)8(OH,Cl)x·nH2O

Comments: SEM images of barahonaite-(Al) showing the boxwork-like form of the surface of one of the beads. (CanMin, v46:205).
Location: Dolores prospect near the village of Pastrana, in the Province of Murcia of southeastern Spain. Scale: See Image.
© Canadian Mineralogist

Barahonaite-(Fe): (Ca,Cu,Na,Fe+++,Al )12Fe+++2(AsO4)8(OH,Cl)x·nH2O

Comments: SEM image of tapered aggregates of bladed barahonaite-(Fe). (CanMin, v46:205).
Location: Dolores prospect near the village of Pastrana, in the Province of Murcia of southeastern Spain. Scale: See Image.
© Canadian Mineralogist

Barahonaite-(Fe): (Ca,Cu,Na,Fe+++,Al )12Fe+++2(AsO4)8(OH,Cl)x·nH2O  
Conichalcite: CaCu(AsO4)(OH)

Comments: Micro yellow, platy barahonaite-(Fe) crystals associated with green "beads" of conichalcite, yellowish, earthy arseniosiderite and micro olivenite crystals.
Location: Dolores prospect near the village of Pastrana, in the Province of Murcia of southeastern Spain. Scale: Specimen Size 6 x 4 x 2 cm.
© Tom Loomis / Dakota Matrix

Bararite: (NH4)2SiF6  
Cryptohalite: (NH4)2SiF6

Comments: White crystalline bararite intermixed with cryptohalite colored yellow by selenium.
Location: Shamokin, Northumberland County, Pennsylvani, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species