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Bleasdaleite: (Ca,Fe+++)2Cu5(Bi,Cu)(PO4 )4(H2O,OH,Cl)13
Comments: SEM image of a bleasdaleite rosette. Location: Granite quarry, 10 km south-south-west of Lake Boga, Victoria, Australia. Scale: Scale Dots 20 µm. © Museum Victoria
Blixite: Pb8O5(OH)2Cl4
Comments: Pale yellow crystalline blixite on dark matrix. Location: Langban, Varmland, Sweden. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Blodite: Na2Mg(SO4)2ˇ4(H2O) Tamarugite: NaAl(SO4)2ˇ6(H2O)
Comments: Clear, yellow blödite with white tamarugite. Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 7 mm. © Thomas Witzke / Abraxas-Verlag
Bobdownsite: Ca9Mg(PO3F)(PO4)6
Comments: Colorless hexagonal tabular bobdownsite crystals in the type sample. Location: Big Fish River, Yukon Territory, Canada. Scale: See Image. © Rruff Database
Bobfergusonite: Na2Mn++5Fe+++Al(PO4)6
Comments: Opaque dark green to brown crystalline bobfergusonite in pegmatite. Location: Cross Lake, Manitoba, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bobierrite: Mg3(PO4)2ˇ8(H2O)
Comments: Crystal group of bobierrite partially covered by yellow calcite. Location: Zheleznyi Mine, Kovdor, Kola Penisula, Russia. Scale: Crystal size 1 cm. © John Veevaert
Bobierrite: Mg3(PO4)2ˇ8(H2O) Strontiowhitlockite: Sr7(Mg,Ca)3(PO4)6[PO3(OH)]
Comments: Pale white to pink fine grained strontiowhitlockite with bobierrite. Location: Kovdor Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bobjonesite: VO(SO4)(H2O)3
Comments: The silicified log and its coalified margin that hosts bobjonesite and other sulfate minerals. (CanMin, 41:85). Location: Temple Mountain, Emery County, Utah, USA. Scale: Bob Jones is shown for scale. © Canadian Mineralogist
Bobtraillite: (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12ˇ12H2O
Comments: Transparent, hexagonal bobtraillite prisms, co-type material. Location: Mont Saint-Hilaire, Rouville County, Quebec, Canada. Scale: See Image. © Rruff Database
Boehmite: AlO(OH)
Comments: Crystalline boehmite in bauxite rock. Location: Bauxite, Saline County, Arkansas, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bogdanovite: (Au,Te,Pb)3(Cu,Fe)
Comments: Heavy mineral concentrate with ilmenite (ilm), pyroxene (pyr) and bogdanovite (bgd) grains. Location: Skaergaard intrusion, Greenland. Scale: See Images. © Diederik Visser
Boggsite: NaCa2(Al5Si19O48)ˇ17(H2O)
Comments: White translucent botryoidal crystals of boggsite lining vug in basalt. Location: Neer Road Pit, Goble, Columbia County, Oregon, uSA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Comments: Pure white spheroidal boggsite crystal. Location: Neer Road, Goble, Columbia Co., Oregon, USA. Scale: Crystal size 0.5 mm. © Tom Loomis / Dakota Matrix
Bohdanowiczite: AgBiSe2
Comments: PPL polished section with Se-rich digenite (Se-dig) exsolved from massive bornite (Bn). Note the disseminated grains of bohdanowiczite (Bo) and naumannite surrounding the exsolved digenite. Location: Kidd Creek Volcanogenic Massive Sulfide deposit, Western Abitibi Subprovince, Timmins, Ontario, Canada. Scale: Picture Size. © National Resouces of Canada
Bokite: (Al,Fe+++)1.3(V++++,Fe)8O20ˇ4.7(H2O)
Comments: Dark brown micro crystal rosettes of bokite in matrix. Location: Monument #2 Mine, Apache County, Arizona. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Comments: Tannish "spots" as very micro acicular bokite crystals filling in between grains. Eaton Collection. Location: Monument #2 mine, Apache Co.,, Arizona, USA. Scale: Picture size 0.5 cm. © Tom Loomis / Dakota Matrix
Boleite: KPb26Ag9Cu24Cl62(OH)48
Comments: Floater crystal of deep, inky blue boleite with interpenetration twinning. Location: Amelia Mine, Santa Rosalia, Baja California, Mexico. Scale: 0.7 cm. © John Veevaert
Boleite: KPb26Ag9Cu24Cl62(OH)48 Cumengite: Cu20Pb21Cl42(OH)40ˇ6H2O
Comments: Inky blue cumengite "sixling" epitaxially overgrown on boleite. Location: Amelia mine, Santa Rosalia, Baja California Sur, Mexico. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Bolivarite: Al2(PO4)(OH)3ˇ4-5(H2O)
Comments: Yellow translucent mass of bolivarite. Location: Pontevedra, Galicia, Spain. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Boltwoodite: HK(UO2)(SiO4)ˇ1.5(H2O)
Comments: Sprays of boltwoodite covering matrix. Location: Rossing, Namibia. Scale: Size Not Given. © John Veevaert