's Image Gallery

Brindleyite: (Ni,Mg,Fe++)2Al(SiAl)O5(OH)4

Comments: Greenish waxy crust of brindleyite.
Location: Hachita, Grant County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Britholite-(Ce): (Ce,Ca,Th,La,Nd)5(SiO4,PO4)3(OH,F)

Comments: Dark gray, parallel aggregates of britholite-(Ce) crystals in matix..
Location: Rusty Gold Mine, Jamestown District, Boulder Co., Colorado, USA. Scale: See Image.
© Paul M. Schumacher

Britholite-(Y): (Y,Ca)5(SiO4,PO4)3(OH,F)

Comments: Brown cm-size britholite-(Y) grains with typical prismatic 'apatite' outline in quartz matrix with black magnetite. Tengerite-(Y) forms the white encrustation in upper right part of the photo.
Location: West Keivy Block, Western Keivy Massif, Kola peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture Size 3.5x3.5 cm.
© Pavel M. Kartashov

Brizziite-III: NaSb+++++O3  
Brizziite-VII: NaSb+++++O3

Comments: Colorless thin hexagonal plates of brizziite. Brizzite-VII and brizzite-III are the same mineral with different Dana classification numbers.
Location: Le Cetine di Cotorniano, Chiusdino, Siena Province, Tuscany, Italy. Scale: See Image.
© Rruff Database

Brizziite-VII: NaSb+++++O3  
Brizziite-III: NaSb+++++O3

Comments: Colorless thin hexagonal plates of brizziite. Brizzite-VII and brizzite-III are the same mineral with different Dana classification numbers.
Location: Le Cetine di Cotorniano, Chiusdino, Siena Province, Tuscany, Italy. Scale: See Image.
© Rruff Database

Brochantite: Cu4(SO4)(OH)6

Comments: Blue green spray of acicular brochantite crystals on matrix.
Location: Douglas Hill, Lidwig, Lyon County, Nevada, USA. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Brochantite: Cu4(SO4)(OH)6  
Linarite: PbCu(SO4)(OH)2

Comments: Deep blue, acicular, linarite with light blue, globular brochantite on white quartz.
Location: Goulmina, Er Rachidia, Morroco. Scale: Crystal size 1.5 cm.
© Fabre Minerals

Brochantite: Cu4(SO4)(OH)6

Comments: Prismatic crystals of blue green brochantite.
Location: Grand View Mine, Grand Canyon, Coconino County, Arizona, USA. Scale: See Image.
© Jeff Weissman / Photographic Guide to Mineral Species

Brockite: (Ca,Th,Ce)(PO4)·(H2O)

Comments: Red-brown opaque massive brockite.
Location: Anna Lee Mine, Custer County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Brodtkorbite: Cu2HgSe2

Comments: Polished section with partially crossed polarizers showing brodtkorbite (br) in association with tiemannite (ti) and berzelianite (bz). (CanMin, v40:225).
Location: Telethermal selenide vein-type assemblage at the Tuminico Ia selenium deposit, Sierra de Cacho (Sierra de Umango) district, La Rioja, Argentina. Scale: Picture Size 0.5 x 0.35 mm.
© Canadian Mineralogist

Bromargyrite: AgBr

Comments: Butterscotch colored bromargyrite cube.
Location: Broken Hill, New South Wales, Australia. Scale: Size Not Given.
© Lou Perloff / Photo Atlas of Minerals

Bromellite: BeO

Comments: Nearly colorless translucent crystalline bromellite in chloritic schistose rock.
Location: Pitkyaranta, Republic of Karelia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Bromellite: BeO  
Magnesioferrite: MgFe+++2O4

Comments: A micro, water color, hexagonal or barrel shaped crystal of white bromellite to about 0.3 mm on yellowish calcite with associated black magnesioferrite.
Location: Langban, Varmland, Sweden. Scale: 18x9x10mm.
© Tom Loomis / Dakota Matrix

Brookite: TiO2

Comments: Brookite crystal group on matrix. During the 19th century this site produced some of the best brookite ever seen.
Location: Classic Welsh locality of Prenteg, Gwynedd, Wales, UK. Scale: 4 x 4.5 cm.
© Fabre Minerals

Brownleeite: MnSi

Comments: Cubic grain of brownleeite (false colored magenta) in the bottom of a pit as captured by aerogel.
Location: Interplanetary dust particle (IDP) that appears to have originated from comet 26P/Grigg-Skjellerup. Scale: See Image.
© NASA

Brownmillerite: Ca2(Al,Fe+++)2O5

Comments: Brownish-orange masses of brownmillerite in skarn.
Location: Bellerberg, Ettringen, Eifel Mountains, Rheinland-Pfalz, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Brownmillerite: Ca2(Al,Fe+++)2O5  
Reinhardbraunsite: Ca5(SiO4)2(OH,F)2

Comments: Pink crystalline reinhardbraunsite in brownmillerite.
Location: Near Bellerberg, Eifel, Rheinland-Pflaz, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Brucite: Mg(OH)2

Comments: Crystal cluster of brucite.
Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 7 x 5 x 4 cm.
© John Veevaert

Brucite: Mg(OH)2

Comments: Pearly white, pseudohexagonal crystals of brucite on matrix.
Location: Pilcante, Trentino, Italy. Scale: Crystal size 1.6 cm.
© Sandro Maggia/Minernet.it

Brugnatellite: Mg6Fe+++(CO3)(OH)13·4(H2O)

Comments: Botryoidal brugnatellite.
Location: Monte Ramazzo, Liguria, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species