Mineral Specimen Images (B)

Bederite: ([ ],Na)Ca2(Mn++,Mg,Fe++)2(Fe+++,Mg++,Al)2Mn++2(PO4)6·2(H2O)

Comments: Dark brown massive bederite.
Location: El Penon Pegmatite, Nevados de Palermo, Salta, Argentina. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Behierite: (Ta,Nb)BO4

Comments: A light brownish crystal of behierite in matrix.
Location: Manjaka, Sahatany Valley, Antsirabe Region, Madagascar. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Behoite: Be(OH)2  
Analcime: NaAlSi2O6·(H2O)

Comments: Gray-white microcline crystals up to 4 cm coated with overgrowth of analcime 18 mm diameter, black aegirine up to 25 mm and most notable, a pale pink behoite.
Location: Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mt Saint-Hilaire, Rouville Co., Québec, Canada. Scale: 5x4x3 cm.
© John Betts - Fine Minerals

Beidellite: Na0.5Al2(Si3.5Al0.5)O10(OH)2·n(H2O)

Comments: Pure white chalky massive beidellite.
Location: From near Charlestown, Nevis, Saint Kitts and Nevis, West Indies. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Belendorffite: Cu7Hg6

Comments: Small grains of belendorffite from concentrates.
Location: Moschellandsberg, Pfalz, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Belkovite: Ba3(Nb,Ti)6(Si2O7)2O12

Comments: Brown hypidiomorphic granular grains of belkovite in tonalite.
Location: Seblyavr Massif, Kola, Russia. Scale: Not Give - 2 cm?.
© Diederik Visser

Bellbergite: (K,Ba,Sr)2Sr2Ca2(Ca,Na)4Al18Si18O72·30(H2O)

Comments: Small colorless to white hexagonal crystals of bellbergite on matrix.
Location: Ettringer Bellerberg, Ettringen, near Mayen, Eifel Mts, Rhineland-Palatinate, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Bellidoite: Cu2Se  
Berzelianite: 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

Bellingerite: Cu++3(IO3)6·2(H2O)

Comments: Green crystal of bellingerite on matrix.
Location: Chuquicamata, Antofagasta, Chile. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag

Belovite-(Ce): (Sr,Ce,Na,Ca)5(PO4)3(OH)

Comments: Light yellow vitreous crystals of belovite-Ce up to 2 mm.
Location: Malyi Punkaruaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: 2.5x3 cm.
© John Veevaert

Belovite-(La): (Sr,La,Ce,Ca)5(PO4)3(F,OH)

Comments: Yellow, pseudo-hexagonal crystal of belovite-(La) in calcite.
Location: Khibina massif, Kola Peninsula, Russia. Scale: Crystal size 1.5 mm.
© Tom Loomis / Dakota Matrix

Belyankinite: Ca1-2(Ti,Zr,Nb)5O12·9(H2O) (?)

Comments: Thin beige coating of belyankinite.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bementite: Mn8Si6O15(OH)10

Comments: Brown massive bementite.
Location: Olympic Mountains, Washington, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Benavidesite: Pb4(Mn,Fe)Sb6S14

Comments: Gray tabular benavidesite crystals associated with quartz.
Location: Bear Basin Mines, Bear Basin, North Bend, King County, Washington, USA. Scale: See Image.
© Rruff Database

Benitoite: BaTiSi3O9

Comments: Benitoite crystals in a natrolite and crossite matrix.
Location: Benitoite Gem Mine, San Benito Co., California, USA. Scale: Crystal size 1.5 cm.
© John Veevaert

Benjaminite: (Ag,Cu)3(Bi,Pb)7S12  
Krupkaite: PbCuBi3S6  
Friedrichite: Pb5Cu5Bi7S18

Comments: Crystals of a mixture of friedrichite, krupkaite, and benjaminite, with quartz crystals.
Location: Estela Mine, Julcani District, Junin, Peru. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Benleonardite: Ag8(Sb,As)Te2S3

Comments: Gray-black benleonardite on hessite.
Location: Moctezuma, Sonora, Mexico. Scale: Specimen Size 2x3 cm.
© Diederik Visser

Benleonardite: Ag8(Sb,As)Te2S3

Comments: B&W polished section image of a bladed and an irregular mass of benleonardite (b) intergrown with hessite (h). (MinMag, v60:403).
Location: Gies and Mayflower epithermal gold-silver telluride deposits, Montana, USA. Scale: See Image.
© Mineralogical Magazine

Benstonite: (Ba,Sr)6(Ca,Mn)6Mg(CO3)13

Comments: Light pink benstonite crystals epitaxially formed on calcite needles.
Location: Minerva #1 Mine, Hardin County, Illinois, USA. Scale: 13 x 11 mm.
© John Veevaert

Bentorite: Ca6(Cr,Al)2(SO4)3(OH)12·26(H2O)

Comments: Violet crystalline bentorite.
Location: Hatrurim Area, West of Dead Sea, Israel. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species