Minerals
Minerals are naturally occurring inorganic substances with a specific chemical composition and crystalline structure. They are the building blocks of rocks and are classified by their chemical composition and crystal system.
Showing 601-660 of 5,084 specimens
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Bostwickite
Hardness: 1

Botallackite

Botryogen
Hardness: 2 - 2.5
Bottinoite
Hardness: 3.5
Botuobinskite
Bouazzerite

Boulangerite
Hardness: 2.5 - 3
Bouškaite
Hardness: 2
Boussingaultite
Hardness: 2

Bowieite
Hardness: 7
Bowlesite
Boyleite
Hardness: 2
Braccoite
Bracewellite
Hardness: 5.5 - 6.5
Brackebuschite
Hardness: 4 - 5
Bradaczekite
Bradleyite
Hardness: 3 - 4

Braggite
Hardness: 5
Braithwaiteite
Hardness: 2
Braitschite-(ce)
Brandãoite
Hardness: 6
Brandholzite
Hardness: 2 - 3
Brandtite
Hardness: 3.5
Brannerite
Hardness: 4.5 - 5.5
Brannockite
Hardness: 5 - 6

Brassite
Brattforsite
Braunerite

Braunite
Hardness: 6 - 6.5

Brazilianite
Hardness: 5.5
Bredigite

Breithauptite
Hardness: 5.5
Brendelite
Hardness: 4.5
Brenkite

Brewsterite
Brewsterite-ba
Hardness: 5
Brewsterite-sr
Hardness: 5
Breyite

Brezinaite
Hardness: 3.5 - 4.5

Brianite
Hardness: 4 - 5
Brianroulstonite
Hardness: 5

Brianyoungite
Hardness: 2 - 2.5

Briartite
Hardness: 3.5 - 4.5
Bridgesite-(ce)
Bridgmanite
Brindleyite
Hardness: 2.5 - 3
Brinrobertsite
Hardness: 1
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Britholite-(ce)
Hardness: 5.5
Britholite-(y)
Hardness: 5
Britvinite
Hardness: 3
Brizziite
Hardness: 2.5

Brochantite
Hardness: 3.5 - 4

Brockite
Hardness: 3 - 4
Brodtkorbite
Hardness: 2.5 - 3

Brokenhillite

Bromargyrite
Hardness: 2.5

Bromellite
Hardness: 9
Brontesite

Brookite
Hardness: 5.5 - 6
Browneite
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