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 1081-1140 of 5,084 specimens
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Cuprobismutite
Cuprocopiapite
Hardness: 2.5 - 3
Cuproiridsite
Hardness: 5.5
Cuprokalininite
Hardness: 4.5 - 5
Cupromakopavonite
Cupromakovickyite
Hardness: 4 - 4.5
Cupromolybdite
Hardness: 3
Cuproneyite
Hardness: 3
Cupropavonite
Hardness: 2
Cupropearceite
Cupropolybasite
Hardness: 3 - 3.5
Cuprorhodsite
Hardness: 5 - 5.5
Cuprorivaite
Hardness: 5
Cuproroméite
Hardness: 3 - 4
Cuprosklodowskite
Hardness: 4
Cuprospinel
Hardness: 6.5
Cuprostibite
Hardness: 4
Cuprotungstite
Hardness: 4 - 5
Curetonite
Hardness: 3.5
Curienite
Hardness: 3
Curite
Hardness: 4 - 5
Currierite
Hardness: 2
Cuspidine
Hardness: 5 - 6
Cuyaite
Cuzticite
Hardness: 3
Cyanochroite
Hardness: 2 - 2.5
Cyanotrichite
Hardness: 1 - 3
Cylindrite
Hardness: 2.5
Cymrite
Hardness: 2 - 3
Cyprine
Hardness: 6.5
Cyrilovite
Hardness: 4
Czochralskiite
Hardness: 4 - 5
Dadsonite
Hardness: 2.5
Dagenaisite
Hardness: 0 - 2
Daliranite
Hardness: 0 - 2
Damaraite
Hardness: 3
Damiaoite
Hardness: 5
Danbaite
Hardness: 4
Danburite
Hardness: 7 - 7.5
Danielsite
Hardness: 1.5 - 2
Daomanite
Hardness: 3.5
Daqingshanite-(ce)
Hardness: 4.5
Darapskite
Hardness: 2.5
Dashkovaite
Hardness: 1
Davidbrownite-(nh4)
Hardness: 2
Davidite
Davidite-(ce)
Hardness: 6
Davidite-(la)
Hardness: 6
Davreuxite
Hardness: 2 - 3
Dawsonite
Hardness: 3
Deanesmithite
Hardness: 4.5 - 5
Debattistiite
Hardness: 2 - 2.5
Decagonite
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Decrespignyite-(y)
Hardness: 4
Defernite
Hardness: 3
Delafossite
Hardness: 5.5
Delhayelite
Delhuyarite-(ce)
Deliensite
Hardness: 2
Delindeite
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