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 3421-3480 of 5,084 specimens
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Paratacamite-(mg)
Hardness: 3 - 3.5
Paratacamite-(ni)
Hardness: 3
Paratellurite
Hardness: 1
Paratimroseite
Hardness: 3
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Paratooite-(la)
Paratsepinite-ba
Hardness: 5
Paratsepinite-na
Paraumbite
Hardness: 4.5
Paravauxite
Hardness: 3
Paravinogradovite
Hardness: 5
Parawulffite
Hardness: 2.5
Parisite
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Parisite-(ce)
Hardness: 4.5
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Parisite-(la)
Hardness: 4 - 5
Parkerite
Hardness: 2
Parkinsonite
Hardness: 2 - 2.5
Parnauite
Parsettensite
Hardness: 1.5 - 4
Parsonsite
Hardness: 2.5 - 3
Parthéite
Hardness: 4
Parwanite
Parwelite
Hardness: 5.5
Pašavaite
Hardness: 2
Pascoite
Hardness: 2.5
Paseroite
Hardness: 6 - 6.5
Patrónite
Hardness: 2
Pattersonite
Hardness: 4
Patynite
Hardness: 6
Pauflerite
Hardness: 3 - 4
Pauladamsite
Hardness: 2
Paulingite-ca
Hardness: 5
Paulingite-k
Hardness: 5
Paulkellerite
Hardness: 4
Paulkerrite
Hardness: 3
Paulmooreite
Hardness: 3
Pauloabibite
Paulscherrerite
Pautovite
Pavlovskyite
Hardness: 6 - 6.5
Pavonite
Hardness: 2
Paxite
Hardness: 3.5
Pearceite
Hardness: 2.5 - 3
Peatite-(y)
Hardness: 3
Pecoraite
Peisleyite
Hardness: 3
Pekoite
Hardness: 2 - 3
Pekovite
Hardness: 6.5 - 7
Péligotite
Hardness: 2.5
Pellouxite
Pellyite
Hardness: 6
Penberthycroftite
Penfieldite
Hardness: 3 - 4
Penikisite
Hardness: 4
Penkvilksite
Hardness: 5
Pennantite
Hardness: 2 - 2.5
Penobsquisite
Hardness: 3
Penroseite
Hardness: 2.5 - 3
Pentagonite
Hardness: 3 - 4
Pentahydrite
Hardness: 2.5
Pentahydroborite
Hardness: 2.5
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