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Biotite: K(Mg,Fe++)3[AlSi3O10(OH,F)2 Wohlerite: NaCa2(Zr,Nb)Si2O7(O,OH,F)2
Comments: Prismatic wohlerite crystals with lepidomelane (Fe-rich biotite). Location: Langevannet, Tvedalen, Telemark, Norway. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Biphosphammite: (NH4,K)H2PO4
Comments: Vuggy, dark green-brown biphosphammite. Location: Mason Bat Cave, Mason County, Texas, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Biphosphammite: (NH4,K)H2PO4 Archerite: (K,NH4)H2PO4
Comments: Buff-colored biphosphammite with white archerite crusts. Location: Cockelbiddy Cave, Western Australia, Australia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bismite: Bi2O3
Comments: Tan, massive bismite with quartz. Location: Schneeberg, Sachsen, Germany. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bismite: Bi2O3 Waylandite: BiAl3(PO4)2(OH)6
Comments: Gray massive stream rounded waylandite with tan bismite crusts. Location: Mumba, Nord-Kivu, Zaire. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bismoclite: BiOCl
Comments: Opaque white pearly crystalline bismoclite on matrix. Location: Falcacci Mine, Rio Marina, Elba, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bismuthinite: Bi2S3 Cannonite: Bi2O(OH)2SO4
Comments: Opaque white crystal tufts of cannonite on quartz crystals with dark, metallic bismuthinite. Location: Marysvale, Piute County, Utah, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bismutite: Bi2(CO3)O2
Comments: White to green earthy crust of bismutite. Location: La Higuera, Coquimbo, Chile. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bismutotantalite: Bi(Ta,Nb)O4
Comments: Tan coatings of bismutotantalite on white feldspar with pink lepidolite. Location: Harding Mine, Taos County, New Mexico, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bityite: CaLiAl2(AlBeSi2)O10(OH)2
Comments: White crystalline bityite in silvery mica matrix. Location: Harding Mine, Taos County, New Mexico, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Blakeite: Fe2(TeO3)3
Comments: Brown crusts of blakeite on quartz. Location: Goldfield, Esmeralda County, Nevada, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Blatonite: UO2CO3·(H2O)
Comments: Bright yellow granular masses of blatonite and white crystalline gypsum. Location: . Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
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
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)2·8(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
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
Boggsite: NaCa2(Al5Si19O48)·17(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
Bokite: (Al,Fe+++)1.3(V++++,Fe)8O20·4.7(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
Bolivarite: Al2(PO4)(OH)3·4-5(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)·1.5(H2O)
Comments: Yellow, globular aggregates of boltwoodite on a ferruginous matrix. Location: Repete Mine, San Juan County, Utah, USA. Scale: See Image. © Jeff Weissman / Photographic Guide to Mineral Species