There are 120 minerals that start with the letter B. From Babbingtonite to Burgessite. Minerals are naturally occurring, inorganic solids with a defined chemical composition and a crystalline structure. They are the building blocks of rocks and are classified based on their chemical properties, crystal structure, and texture. Minerals form through a variety of geological processes, including crystallization from molten rock, precipitation from solutions, and metamorphism under high pressure and temperature. They are essential not only for geological processes but also for many industrial applications and are critical for life, serving as nutrients in biological systems.

An intriguing fact about minerals is that some larval insects use mineral particles from the environment to enhance their camouflage, adapting to their surroundings for protection against predators. This innovative use of minerals demonstrates the complex interactions between organisms and their natural habitats.

Here’s what each of the columns in the table means:

Column Name: This column indicates the specific chemical elements or compounds that make up the mineral, defining its identity and properties.

Mohs hardness: This column provides a numerical scale from 1 to 10 that ranks the hardness of the mineral based on its ability to scratch or be scratched by other substances.

Common uses: This column outlines the various applications or industries where the mineral is utilized, highlighting its practical importance in everyday life and technology.

Description: This column includes a brief overview of the mineral’s appearance, characteristics, and unique features, providing essential information for identification and understanding its role in geology and industry.

Minerals That Start With B

Minerals chemical composition Mohs hardness common uses
Babbingtonite Ca(Fe2+,Mg)Fe3+Si2O7(OH) 5-6(5.5) mineral specimen
Babierite (Ca,Na)B(OH)4 2-3(2.5) None
Babingtonite Ca(Fe,Mn,Mg)Fe(SiO3)4 5-6(5.5) rarely used as a gemstone
Baculite CaCO3 3-4(3.5) mineral specimen
Baddeleyite ZrO2 6-6.5(6.0) refractories, abrasives
Badenite (Mg,Fe)2SiO4 6.5-7(6.75) Mineral specimen
Bafertisit BaFeTi2O6 5.5-6(5.75) Mineral collector’s item
Bafertisite Ba(Fe2+,Mg)5Ti4O13(OH) 6-7(6.5) mineral specimen
Bakerite Ca2B5O9�8H2O 2-2.5(2.0) no major industrial uses
Bakhchisaraitsevite (Na,Ca,K)(B,Al)Si3O8�H2O 5-6(5.5) None
Bakuninite CuTl2S4 2-3(2.5) Mineral collector’s item
Balalaikaite Pb2+Bi3+O2Cl 3-4(3.5) None
Balangeroite Mg6Fe3+2Si4O15(OH)4 5.5-6(5.75) Mineral collector’s item
Balcanoite Mg2+Mn3+2O4 5-6(5.5) None
Balianaite PbCrO4 2.5-3(2.75) Pigment
Balinite MgS 2-3(2.5) None
Ballistic Mineral Various 2-4(3.0) Abrasives, fillers
Balyakinite Cu2+O(OH) 3-4(3.5) Copper ore
Bamaroite (Na,Ca)2(UO2)2(VO4)2�6-8H2O 2-3(2.5) Uranium ore
Bamfordite NaFe3+O2 5-6(5.5) None
Banalsite BaNa2Si4O10 5-6(5.5) no major industrial uses
Bancrofite Ca(UO2)2(VO4)2�6-8H2O 2-3(2.5) None
Bandylite Cu2+Cl(OH) 3-4(3.5) Copper ore
Bannisterite (K,Ca)0.5(Mg,Fe2+,Al)6(Si,Al)8O20(OH)4�4-8H2O 2-3(2.5) None
Baotite Ba2TiNb4O13 5-6(5.5) None
Barberiite NaAl(SO4)2 2.5-3(2.75) Mineral collector’s item
Barbertonite MgCr2O4 7-8(7.5) None
Barioferrite BaFe12O19 5-6(5.5) Magnetic materials
Barite BaSO4 3-3.5(3.0) filler in rubber, paint, and plastics
Barium Sulfide BaS 3-4(3.5) Pyrotechnics, glass, ceramic industries
Bariumfluoride BaF2 4-5(4.5) Glass, ceramics
Bariumhexaaluminate BaAl12O19 8.5-9(8.75) Refractory materials
Bariumplumbate BaPbO3 3.5-4(3.75) Pigment, glass
Bariumpolysulfide BaS2 2-3(2.5) Mineral collector’s item
Bariumsulfate BaSO4 3-4(3.5) Filler, pigment
Barkerite Ca(UO2)2(VO4)2�6-8H2O 2-3(2.5) Uranium ore
Barleyite Ba(UO2)2(VO4)2�6-8H2O 2-3(2.5) None
Barlowite Cu4Fe(SO4)(OH)6 3-4(3.5) None
Barnesit (Ni,Co)3(AsO4)2�8H2O 3-4(3.5) Nickel ore
Barquillite Cu2+Fe3+2O4 5-6(5.5) None
Barrande Pb2+Fe2+Fe3+2O6 5-6(5.5) None
Barrelite BeCrO4 4-5(4.5) Mineral collector’s item
Barrerite (Na,Ca)2Al3(Si,Al)4O10(OH)2�4H2O 2-3(2.5) no major industrial uses
Barringerite (Fe,Ni)2P 6-7(6.5) Mineral collector’s item
Barringtonite MgCl2�6H2O 1-2(1.5) None
Barroisite NaCa2(Mg,Fe2+)4Al(Si6Al2)O22(OH)2 5-6(5.5) Abrasives, ceramics
Bartelkeite Pb2+Fe3+2O5 4-5(4.5) None
Bartonite (NH4,K)Fe(SO4)2�6H2O 2-3(2.5) None
Barysilite Pb2+Mn2+2Si2O7 4-5(4.5) None
Basaluminite Al4(SO4)(OH)10�5H2O 2-3(2.5) None
Basanite CaSO4�0.5H2O 1.5-2(1.75) Plaster, cement
Basifuschite K(Mg,Fe2+)(Si,Al)4O10(OH)2 2-3(2.5) None
Bassanite CaSO4�1/2H2O 2-2.5(2.0) used in plaster of Paris
Bassetite Fe2+(UO2)2(VO4)2�6-8H2O 2-3(2.5) None
Bassettite Fe2+(UO2)2(VO4)2�6-8H2O 2-3(2.5) Uranium ore
Bastnasite (Ce,La)(CO3)F 4-5(4.5) Rare earth element source, gemstone
Batisite Na3(Ba,Sr)(Ti,Nb)5O13 5-6(5.5) Mineral collector’s item
Batopilasite K(UO2)2(VO4)2�6-8H2O 2-3(2.5) None
Baumbergerite Ba(UO2)2(VO4)2�6-8H2O 2-3(2.5) Uranium ore
Baumeisterite CaUO2VO4(OH) 3-4(3.5) Uranium ore
Baumhauerite Pb4As6S13 2-3(2.5) no major industrial uses
Bayldonite PbCu(AsO4)(OH) 3.5-4(3.5) no major industrial uses
Bayleyite Mg2(UO2)3(CO3)3(OH)4�18H2O 2-3(2.5) Uranium ore
Bazzite Be3(Sc,Al)2Si6O18 6-7(6.5) Gemstones
Bearsite Cu3AsO4(OH)3 3-4(3.5) None
Beaverite PbCu(Fe,Cr)4(SO4)2(OH)6 2.5-3(2.75) Mineral collector’s item
Bechererite (Mn,Fe)2(UO2)2(VO4)2�6-8H2O 2-3(2.5) None
Bederite NaFe3+2(PO4)2(OH) 5-6(5.5) None
Behierite NaCu3(AsO4)2(OH)3 3-4(3.5) None
Beidellite (Na,Ca)0.3(Al,Mg)2(Si,Al)4O10(OH)2�nH2O 1-2(1.5) used in drilling muds
Beilite Ca2(UO2)3(VO4)2�6-8H2O 2-3(2.5) None
Bejaminite Cu2+Fe3+2(AsO4)2(OH)2 3.5-4(3.75) Mineral collector’s item
Belinite Ca2Mg5Si8O22(OH)2 5.5-6(5.75) Mineral collector’s item
Bementite Mn2+6Si4O10(OH)8 3-4(3.5) None
Benavidesite Mg(UO2)2(VO4)2�6-8H2O 2-3(2.5) None
Benitoite BaTiSi3O9 6-6.5(6.0) gemstone, used in jewelry
Beraunite Fe2+Fe3+4(PO4)3(OH)5�2-3H2O 4-5(4.5) no major industrial uses
Berborite Cu2+Cu2+2(VO4)2(OH)2 4-5(4.5) no major industrial uses
Bergenite Ca(UO2)2(VO4)2�6-8H2O 2-3(2.5) Mineral collector’s item
Berlinite AlPO4 7-7.5(7.0) used in ceramics and electronic components
Bermanite Mn2+3(AsO4)2�4H2O 3-4(3.5) Mineral collector’s item
Bersellite (NH4)Al(SO4)2�6H2O 2-3(2.5) Mineral collector’s item
Berthierite FeSb2S4 4-5(4.5) no major industrial uses
Beryl Be3Al2(SiO3)6 7.5-8(7.5) gemstones, source of beryllium
Beryl-group minerals Be3Al2(SiO3)6 7.5-8(7.5) gemstones, source of beryllium
Betafite (Ca,U,Y,Na)(Ti,Nb,Ta)2O6 5-6(5.5) no major industrial uses
Betechtinite (Cu,Fe)9S8 2.5-3(2.5) no major industrial uses
Beudantite PbFe3(AsO4)(SO4)(OH)6 3.5-4(3.5) no major industrial uses
Beuteite (U,Ca)(Ti,Nb)4O11 5.5-6(5.75) Mineral collector’s item
Bezsmertnovite Zn2(VO4)(OH) 4-5(4.5) no major industrial uses
Bialystokite (Ca,Na)(UO2)2(VO4)2�6-8H2O 2-3(2.5) Mineral collector’s item
Bieberite CoSO4�7H2O 1.5-2(1.5) no major industrial uses
Biehlite Mn2+Mn3+2O4 5-6(5.5) Mineral collector’s item
Bixbyite Mn2+Mn3+2O3 6-6.5(6.0) used in ferrites
Bobierrite Mg3(PO4)2�8H2O 2-2.5(2.0) no major industrial uses
Boehmite ?-AlO(OH) 3-3.5(3.0) used in catalysts and adsorbents
Boleite Pb26Cu24Cl62(OH)48 3-3.5(3.0) no major industrial uses
Boltwoodite (K,Na)(UO2)(SiO3OH)(H2O)1-1.5 3-4(3.5) no major industrial uses
Bonattite Cu2+SO4�3H2O 2.5-3(2.5) no major industrial uses
Borax Na2B4O7�10H2O 1-1.5(1.0) used in detergents, glass, and cosmetics
Bornite Cu5FeS4 2-3(2.5) ore of copper
Borolanite (Na,Ca)4(Ti,Nb)2(Si,Al)4O14(OH)2 5-6(5.5) no major industrial uses
Boromuscovite KMg2(BO3)(AlSi3O10)(OH)2 2-3(2.5) no major industrial uses
Boron B 9-10(9.5) used in glass, ceramics, and semiconductors
Boutonnite CaO�2B2O3�3H2O 3.5-4(3.5) no major industrial uses
Bowieite Ru2+S3 5-6(5.5) no major industrial uses
Braitschite (Na,K)Ca2(UO2)2(VO4)2�6-8H2O 2-3(2.5) no major industrial uses
Brandtite Ca2(AsO4)(OH) 4-5(4.5) no major industrial uses
Braunite Mn2+Mn3+6SiO12 6-6.5(6.0) used in ferrites and glass
Breithauptite NiSb 5-6(5.5) no major industrial uses
Breunnerite (Mg,Fe)CO3 3.5-4(3.5) no major industrial uses
Brochantite Cu4(SO4)(OH)6 3.5-4(3.5) pigment, insecticide
Brookite TiO2 5.5-6(5.5) used in paints and pigments
Brownleeite MnTi2O4 5.5-6(5.5) no major industrial uses
Brownmillerite Ca2(Fe,Al)2O5 11-12(11.5) used in the production of cement
Brushite CaHPO4�2H2O 2-2.5(2.0) no major industrial uses
Buchwaldite Na(Mn2+,Fe2+)(SO4)2 3-4(3.5) no major industrial uses
Bunsenite NiO 5-6(5.5) used in ceramics and glass
Burangaite Mg2+Fe3+2(BO3)2Cl(OH) 5-6(5.5) no major industrial uses
Burgessite (Mg,Fe2+)B2(OH)6 3-4(3.5) no major industrial uses

Descriptions

Babbingtonite
A silicate mineral with an orthorhombic crystal system. It forms black to dark green prismatic crystals and is found in metamorphic and igneous rocks.
Babierite
A rare borate mineral formed as a secondary mineral in salt-rich environments.
Babingtonite
A rare silicate mineral with a complex chemical formula. It typically appears as dark green, black, or brown prismatic crystals.
Baculite
A variety of aragonite that forms slender, rod-like crystals. It is typically found in sedimentary environments and is a minor component of some limestones and dolomites.
Baddeleyite
A rare zirconium oxide mineral that typically occurs as small, reddish-brown to yellow-brown, tetragonal crystals. It is a source of zirconium and is used in refractory and abrasive applications.
Badenite
A magnesium iron silicate mineral that crystallizes in the orthorhombic system. It forms olive-green to brownish-green prismatic crystals and is found in metamorphic and igneous rocks.
Bafertisit
A rare barium iron titanium oxide mineral that forms yellow to brown octahedral crystals. It is found in pegmatites and hydrothermal veins.
Bafertisite
A rare barium-bearing titanium silicate mineral with a monoclinic crystal system. It forms greenish-black, prismatic crystals and is found in alkaline igneous rocks.
Bakerite
A rare borate mineral that typically forms white, translucent to transparent crystals or crystalline masses.
Bakhchisaraitsevite
A rare hydrous sodium-calcium-borosilicate mineral found in high-temperature hydrothermal veins.
Bakuninite
A rare copper thallium sulfide mineral that forms black to dark gray metallic crystals. It is found in hydrothermal veins and ore deposits.
Balalaikaite
A rare lead-bismuth oxychloride mineral that forms silver-gray to black tabular crystals.
Balangeroite
A rare magnesium iron silicate hydroxide mineral that forms green to brown fibrous to massive aggregates. It is found in serpentinized ultramafic rocks.
Balcanoite
A rare manganese-magnesium oxide mineral that forms dark brown to black octahedral crystals.
Balianaite
A rare lead chromate mineral that forms yellow to orange prismatic crystals. It is found in oxidized lead deposits and can be used as a pigment.
Balinite
A rare magnesium sulfide mineral that forms bright yellow to orange-yellow crystals or masses. Typically found in metamorphic rocks.
Ballistic Mineral
A group of minerals used in the production of ballistic materials, including silica, alumina, and other hard, abrasive substances.
Balyakinite
A rare copper hydroxide mineral that forms blue to blue-green crystalline aggregates. Found in copper ore deposits.
Bamaroite
A secondary uranium mineral that forms yellow to greenish-yellow crystals or crusts. Occurs in uranium-bearing deposits.
Bamfordite
A rare iron oxide mineral that forms yellowish-brown to reddish-brown prismatic crystals.
Banalsite
A rare barium sodium silicate mineral that typically forms pale yellow or white prismatic crystals.
Bancrofite
A rare uranyl vanadate mineral that forms pale green to yellow prismatic crystals.
Bandylite
A rare copper chloride hydroxide mineral that forms blue to blue-green, tabular crystals. Occurs in copper ore deposits.
Bannisterite
A hydrous potassium, magnesium, and aluminum silicate mineral that forms pale green to white, platy crystals. Found in metamorphic rocks.
Baotite
A barium, titanium, and niobium oxide mineral that forms yellow to brown, prismatic crystals. Typically found in carbonatite and syenite deposits.
Barberiite
A rare sodium aluminum sulfate mineral that forms colorless to white monoclinic crystals. It is found in volcanic fumaroles and hydrothermal alteration zones.
Barbertonite
A rare magnesium chromium oxide mineral that forms dark green to black octahedral crystals.
Barioferrite
A rare barium iron oxide mineral that forms black to dark gray hexagonal crystals. It has strong magnetic properties and is used in the production of permanent magnets.
Barite
A common barium sulfate mineral that is the primary ore of barium. It often forms white to yellow, tabular crystals.
Barium Sulfide
A rare barium sulfide mineral that forms yellow to gray crystals or masses.
Bariumfluoride
A rare barium fluoride mineral that forms colorless to white cubic crystals. It is used in the production of specialized glass, ceramics, and optical materials.
Bariumhexaaluminate
A rare barium aluminum oxide mineral that forms white to gray hexagonal crystals. It is a refractory material used in the production of high-temperature ceramics and refractories.
Bariumplumbate
A rare barium lead oxide mineral that forms yellow to orange cubic crystals. It can be used as a pigment and in the production of specialized glass.
Bariumpolysulfide
A rare barium polysulfide mineral that forms yellow to orange monoclinic crystals. It is found in volcanic fumaroles and hydrothermal alteration zones.
Bariumsulfate
A common barium sulfate mineral that forms colorless to white orthorhombic crystals. It is used as a filler in various products, a pigment, and in the production of specialty glass and ceramics.
Barkerite
A secondary uranium mineral that forms yellow to green, prismatic crystals. Found in uranium deposits.
Barleyite
A rare barium uranyl vanadate mineral that forms pale yellow to green prismatic crystals.
Barlowite
A rare copper iron sulfate hydroxide mineral that forms blue to green acicular crystals.
Barnesit
A hydrous nickel and cobalt arsonate mineral that forms green to blue-green, prismatic crystals. Occurs in nickel-bearing deposits.
Barquillite
A rare copper iron oxide mineral that forms dark green to black octahedral crystals.
Barrande
A rare lead iron oxide mineral that forms reddish-brown to black prismatic crystals.
Barrelite
A rare beryllium chromate mineral that forms yellow to orange monoclinic crystals. It is found in chromium-bearing pegmatites and ultramafic rocks.
Barrerite
A rare sodium calcium aluminum silicate hydroxide hydrate mineral that typically forms white to gray circular aggregates.
Barringerite
A rare iron nickel phosphide mineral that forms gray to black hexagonal crystals. It is found in iron meteorites and can be used as a collector’s item.
Barringtonite
A rare magnesium chloride hexahydrate mineral that forms colorless to white prismatic crystals.
Barroisite
A sodium, calcium, magnesium, and iron amphibole mineral that forms dark green to black, prismatic crystals. Used in the production of abrasives and ceramics.
Bartelkeite
A rare lead iron oxide mineral that forms reddish-brown to black prismatic crystals.
Bartonite
An ammonium and potassium iron sulfate mineral that forms colorless to pale yellow, prismatic crystals. Typically found in volcanic sulfur deposits.
Barysilite
A rare lead manganese silicate mineral that forms gray to brown prismatic crystals.
Basaluminite
A rare hydrous aluminum sulfate mineral that forms white to pale blue fibrous masses.
Basanite
A calcium sulfate mineral that forms colorless to white, fibrous or acicular crystals. Used in the production of plaster and cement.
Basifuschite
A rare potassium magnesium iron silicate mineral that forms green to brown flaky masses.
Bassanite
A relatively rare calcium sulfate hydrate mineral that is an intermediate dehydration product of gypsum.
Bassetite
A rare iron uranyl vanadate mineral that forms yellow to green prismatic crystals.
Bassettite
A secondary uranium mineral that forms yellow to green, prismatic crystals. Occurs in uranium-bearing deposits.
Bastnasite
A rare-earth carbonate-fluoride mineral that forms yellow to brown prismatic crystals.
Batisite
A rare sodium barium strontium titanium niobium oxide mineral that forms yellow to brown orthorhombic crystals. It is found in alkaline igneous rocks and pegmatites.
Batopilasite
A rare potassium uranyl vanadate mineral that forms bright green to yellow prismatic crystals.
Baumbergerite
A secondary barium uranium vanadate mineral that forms yellow to green, prismatic crystals. Found in uranium deposits.
Baumeisterite
A secondary uranium mineral that forms yellow to green, acicular crystals. Occurs in uranium-bearing deposits.
Baumhauerite
A rare lead arsenic sulfide mineral that typically forms subhedral to euhedral crystals or massive aggregates.
Bayldonite
A rare lead copper arsenic hydroxide mineral that typically forms green to blue-green prismatic crystals or crusts.
Bayleyite
A hydrous magnesium uranium carbonate hydroxide mineral that forms yellow to green, tabular crystals. Found in uranium deposits.
Bazzite
A beryllium, scandium, and aluminum silicate mineral that forms blue to green, prismatic crystals. Used as a gemstone.
Bearsite
A rare copper arsenic oxide hydroxide mineral that forms blue to green prismatic crystals.
Beaverite
A rare lead copper iron chromium sulfate hydroxide mineral that forms yellow to green monoclinic crystals. It is found in the oxidized zones of copper-lead ore deposits.
Bechererite
A rare manganese iron uranyl vanadate mineral that forms yellow to green prismatic crystals.
Bederite
A rare sodium iron phosphate hydroxide mineral that forms reddish-brown to black crystals.
Behierite
A rare sodium copper arsenic oxide hydroxide mineral that forms blue to green prismatic crystals.
Beidellite
A clay mineral that is a member of the smectite group, typically forming greenish-gray to blue-gray masses or nodules.
Beilite
A rare calcium uranyl vanadate mineral that forms pale green to yellow prismatic crystals.
Bejaminite
A rare copper iron arsenic hydroxide mineral that forms blue to green monoclinic crystals. It is found in the oxidized zones of copper-arsenic ore deposits.
Belinite
A rare calcium magnesium silicate hydroxide mineral that forms green to brown fibrous to massive aggregates. It is found in metamorphosed ultramafic rocks.
Bementite
A rare manganese silicate hydroxide mineral that forms white to gray fibrous or lamellar masses.
Benavidesite
A rare magnesium uranyl vanadate mineral that forms pale yellow to green prismatic crystals.
Benitoite
A rare barium titanium silicate mineral that is the official state gemstone of California. It forms bright blue, hexagonal crystals.
Beraunite
A rare hydrous iron phosphate mineral that typically forms reddish-brown to yellowish-brown prismatic crystals or crusts.
Berborite
A rare copper vanadate hydroxide mineral that typically forms blue to green acicular crystals or crusts.
Bergenite
A rare calcium uranium vanadium hydrate mineral that forms yellow to green monoclinic crystals. It is found in uranium-vanadium ore deposits.
Berlinite
A rare aluminum phosphate mineral that is a high-temperature polymorph of variscite. It forms colorless to white crystals.
Bermanite
A rare manganese arsenic hydrate mineral that forms pale pink to lilac monoclinic crystals. It is found in oxidized manganese ore deposits.
Bersellite
A rare ammonium aluminum sulfate hexahydrate mineral that forms colorless to white monoclinic crystals. It is found in volcanic fumaroles and hydrothermal alteration zones.
Berthierite
A rare iron antimony sulfide mineral that typically forms steel-gray to black prismatic crystals or massive aggregates.
Beryl
A common beryllium aluminum silicate mineral that forms the gems emerald, aquamarine, morganite, and heliodor.
Beryl-group minerals
A group of minerals that includes emerald, aquamarine, morganite, heliodor, and other varieties of the beryl species.
Betafite
A rare uranium-bearing titanium niobate mineral that typically forms brownish-black octahedral crystals or massive aggregates.
Betechtinite
A rare copper iron sulfide mineral that typically forms dark gray to black granular to massive aggregates.
Beudantite
A rare lead iron arsenic sulfate hydroxide mineral that typically forms yellow to green prismatic crystals or crusts.
Beuteite
A rare uranium calcium titanium niobium oxide mineral that forms black to dark brown orthorhombic crystals. It is found in pegmatites and hydrothermal veins.
Bezsmertnovite
A rare zinc vanadate hydroxide mineral that typically forms pale green to yellow-green tabular crystals or crusts.
Bialystokite
A rare calcium sodium uranium vanadium hydrate mineral that forms yellow to green monoclinic crystals. It is found in uranium-vanadium ore deposits.
Bieberite
A rare cobalt sulfate heptahydrate mineral that typically forms pink to red prismatic crystals or efflorescent crusts.
Biehlite
A rare manganese oxide mineral that forms black to dark brown tetragonal crystals. It is found in manganese ore deposits.
Bixbyite
A rare manganese oxide mineral that typically forms dark brown to black cubic crystals or massive aggregates.
Bobierrite
A rare hydrous magnesium phosphate mineral that typically forms white to pale green, radial or globular aggregates.
Boehmite
A common aluminum oxide hydroxide mineral that is a precursor to gibbsite and corundum. It forms white to gray, platy or fibrous crystals.
Boleite
A rare lead copper chloride hydroxide mineral that typically forms dark blue to violet cubic crystals or massive aggregates.
Boltwoodite
A rare uranium silicate mineral that typically forms yellow to greenish-yellow prismatic crystals or crusts.
Bonattite
A rare copper sulfate trihydrate mineral that typically forms blue to green prismatic crystals or efflorescent crusts.
Borax
A common sodium borate decahydrate mineral that is the primary source of boron. It forms colorless, monoclinic crystals.
Bornite
A common copper iron sulfide mineral with a characteristic ‘peacock’ iridescent tarnish. It forms metallic, reddish-brown to purple crystals or massive aggregates.
Borolanite
A rare sodium calcium titanium niobium silicate hydroxide mineral that typically forms greenish-gray to reddish-brown prismatic crystals.
Boromuscovite
A rare potassium magnesium borate aluminosilicate hydroxide mineral that typically forms white to pale green platy crystals or masses.
Boron
A metalloid element that is essential for plant growth and is used in a variety of industrial and technological applications.
Boutonnite
A rare calcium borate hydrate mineral that typically forms white to colorless, prismatic crystals or massive aggregates.
Bowieite
A rare ruthenium sulfide mineral that typically forms silver-gray to black granular or massive aggregates.
Braitschite
A rare sodium calcium uranyl vanadate hydrate mineral that typically forms yellow to greenish-yellow, tabular crystals or crusts.
Brandtite
A rare calcium arsenic hydroxide mineral that typically forms white to pale green prismatic crystals or granular aggregates.
Braunite
A common manganese silicate mineral that typically forms dark brown to black, prismatic crystals or massive aggregates.
Breithauptite
A rare nickel antimony mineral that typically forms silver-white to pale yellow, hexagonal crystals or massive aggregates.
Breunnerite
A rare magnesium iron carbonate mineral that typically forms brown to yellow-brown, rhombohedral crystals or massive aggregates.
Brochantite
A rare copper sulfate hydroxide mineral that typically forms bright green, prismatic crystals or massive aggregates.
Brookite
A rare titanium oxide mineral that is a polymorph of rutile and anatase. It forms reddish-brown to black, prismatic crystals.
Brownleeite
A rare manganese titanium oxide mineral that typically forms black, metallic, octahedral crystals or massive aggregates.
Brownmillerite
A calcium iron aluminate mineral that is a constituent of Portland cement clinker. It typically forms yellowish-brown, orthorhombic crystals or massive aggregates.
Brushite
A rare hydrous calcium phosphate mineral that typically forms white to off-white, monoclinic crystals or nodular aggregates.
Buchwaldite
A rare sodium manganese iron sulfate mineral that typically forms pale pink to white, tabular crystals or massive aggregates.
Bunsenite
A rare nickel oxide mineral that typically forms green to black, octahedral crystals or massive aggregates.
Burangaite
A rare magnesium iron borate chloride hydroxide mineral that typically forms green to blue-green, prismatic crystals or aggregates.
Burgessite
A rare hydrous magnesium iron borate mineral that typically forms white to pale green, fibrous or platy crystals.

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