Bayerite
Al(OH)3
Minerals containing OH
—
6
0
IR
Mineral, Hydroxide
Bayleyite
Mg2 (UO2 )(CO3 )3 ·18(H2 O)
Minerals containing H2O , Minerals containing CO3
—
Open
Bayleyite from Ambrosia Lake area, Grants District, McKinley Co., NM, USA
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
13
0
PL
Carbonate , Mineral, Hydrated , Uranyl
Bazirite
BaZrSi3 O9
Benitoite (group)
—
Open
Colorless grains fluorescent (SW, white) of bazirite associated to celsian (white granular), pale green tremolite and taramellite. Ex.Ralpf Merrill collection. From: Big Creek, Fresno County, California, United States of America.
©
Photo (c) 2018 David Hospital (via Wikimedia Commons), CC-BY-SA 4.0
5
0
CL, PL, PL/UV
Mineral, Silicate
Becquerelite
Ca(UO2 )6 O4 (OH)6 ·8H2 O, Ca(UO2 )6 O4 (OH)6 ·8(H2 O)
Minerals containing H2O , Minerals containing OH
—
Open
Lathe-like becquerelite crystals on uranophane, from Shinkolobwe, Katanga (Shaba), Democratic Republic of Congo
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
4
0
PL
Hydroxide , Mineral, Uranyl , Hydrated
Beidellite
(Na,Ca)0.3 Al2 (Si,Al)4 O10 (OH)2 ·n H2 O
Minerals containing H2O , Smectite (group) , Minerals containing OH
—
1
0
IR
Hydroxide , Mineral, Hydrated , Aluminosilicate
Benitoite
BaTiSi3 O9
Benitoite (group)
—
Open
Cushion-cut medium violet blue benitoite weighing 7.7 ct.
©
Copyright Smithsonian National Museum of Natural History
8
6
CL/SEM, PL/Laser, SXES
Mineral, Silicate
Berezanskite
KTi2 Li3 Si12 O30
Osumilite (group)
—
2
0
PL
Mineral, Silicate
Berlinite
AlPO4
Aluminium orthophosphate
—
Open
Synthetic Berlinite (AlPO4) crystals grown by a hydrothermal process
©
Photo by DMGualtieri, CC-BY-SA 3.0
3
2
CL/SEM, SXES
Mineral, Phosphate , Orthophosphate , Synthetic
Bertrandite
Be4 Si2 O7 (OH)2
Minerals containing OH
—
Open
Bertrandite crystals from Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal. Field of View: 5 mm.
©
Photo by César Menor-Salván (via Wikimedia Commons), CC-BY 3.0
1
0
PL/XL
Mineral, Silicate , Hydroxide
Beryl
Be3 Al2 Si6 O18
Beryl (group)
Morganite , Emerald , Goshenite , Red beryl , Aquamarine , Heliodor
Open
Beryl specimen from Violet Claims, Wawa Mountains, Beaver Co., UT, USA
©
Photo by Chip Clark, via Smithsonian National Museum of Natural History
15
1
Reflectance
Mineral, Aluminosilicate
Beryllium
Be
—
—
Open
Beryllium, >99 % pure, crystalline big fragment >140 g
©
Photo by Alchemist-hp (pse-mendelejew.de), via Wikimedia Commons. CC-BY-NC-ND 3.0
2
1
SXES
Metal , Element
Bismuth
Bi
—
—
Open
Ultrapure bismuth forms hopper crystals when cooling from the melt. A thin oxide layer forms, creating interference colors.
©
Photo by David Abercrombie (via flickr), CC-BY-SA 2.0
17
2
SXES
Mineral , Metal , Element
Boehmite
AlO(OH)
Minerals containing OH
—
Open
Böhmite crystals on natrolite, from Sagåsen (Strandåsen), Mørje, Porsgrunn, Telemark, Norway
©
Photo by Leon Hupperichs, CC-BY-SA 3.0
11
0
IR
Mineral, Hydroxide
Boltwoodite
(H3 O)(Na,K)(UO2 )SiO4 ·(H2 O), (K,Na)(UO2 )(SiO3 OH)·1.5H2 O
Uranophane (group) , Minerals containing H2O , Minerals containing OH
—
Open
Boltwoodite on calcite, from Goanikontes Claim, Arandis, Swakopmund District, Erongo Region, Namibia
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
5
0
PL
Hydroxide , Mineral, Silicate , Uranyl , Hydrated
Boracite
Mg3 B7 O13 Cl
Boracite (group)
—
Open
Dodecahedron of boracite, from the type locality at Lüneburg Kalkberg, Lower Saxony, Germany. Size: 1.2 x 1.1 x 0.9 cm
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
1
0
PL/XL
Mineral, Halide , Borate