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 2881-2940 of 5,084 specimens
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Miargyrite
Hardness: 2.5
Miassite
Hardness: 5 - 6
Mica
Michalskiite
Micheelsenite
Hardness: 3.5 - 4
Michenerite
Hardness: 2.5
Michitoshiite-(cu)
Microlite
Hardness: 5 - 5.5
Microsommite
Hardness: 6
Middendorfite
Hardness: 3 - 3.5
Middlebackite
Hardness: 2
Mieite-(y)
Hardness: 6
Miersite
Hardness: 2.5 - 3
Miessiite
Hardness: 2 - 2.5
Miguelromeroite
Miharaite
Hardness: 4
Mikasaite
Hardness: 2
Mikehowardite
Milanriederite
Hardness: 6
Milarite
Hardness: 6
Millerite
Hardness: 3 - 3.5
Millisite
Hardness: 5.5
Millosevichite
Millsite
Milotaite
Hardness: 4.5
Minakawaite
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Minasgeraisite-(y)
Hardness: 6 - 7
Minasragrite
Hardness: 1 - 2
Mineevite-(y)
Hardness: 4
Minehillite
Hardness: 4
Minguzzite
Minium
Hardness: 2.5
Minjiangite
Hardness: 6
Minnesotaite
Hardness: 1.5 - 2
Minohlite
Hardness: 2
Minrecordite
Hardness: 3.5 - 4
Minyulite
Hardness: 3.5
Mirabilite
Hardness: 1.5 - 2
Mirnyite
Misakiite
Misenite
Miserite
Hardness: 5.5 - 6
Mitridatite
Hardness: 2.5
Mitrofanovite
Mitryaevaite
Mitscherlichite
Hardness: 2.5
Miyahisaite
Hardness: 5
Moctezumite
Hardness: 3
Modderite
Hardness: 4
Moëloite
Moganite
Hardness: 6
Mogovidite
Hardness: 5.5
Mohite
Hardness: 4
Möhnite
Hardness: 3
Mohrite
Hardness: 2 - 2.5
Moissanite
Hardness: 9.5
Mojaveite
Hardness: 1
Molinelloite
Moluranite
Hardness: 3 - 4
Molybdite
Hardness: 3 - 4
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