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 1981-2040 of 5,084 specimens
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Indialite
Hardness: 7 - 7.5
Indigirite
Hardness: 2
Indium
Hardness: 3
Inesite
Hardness: 5.5 - 6
Ingersonite
Hardness: 6.5
Innelite
Hardness: 4.5 - 5
Innsbruckite
Hardness: 6
Intersilite
Hardness: 3 - 4
Iodargyrite
Hardness: 1.5 - 2
Iquiqueite
Hardness: 2
Irhtemite
Iridarsenite
Hardness: 5 - 5.5
Iridium
Hardness: 6 - 7
Iriginite
Hardness: 1 - 2
Isoclasite
Hardness: 1
Isocubanite
Hardness: 3.5
Isoferroplatinum
Hardness: 5
Isovite
Hardness: 8
Isselite
Itelmenite
Itoite
Ivanyukite-na-t
Hardness: 4
Ivsite
Iwashiroite-(y)
Hardness: 6
Iwateite
Ixiolite
Hardness: 6 - 6.5
Jáchymovite
Jacobsite
Hardness: 5.5 - 6.5
Jacquesdietrichite
Hardness: 2
Jacutingaite
Hardness: 3.5
Jadarite
Hardness: 4 - 5
Jaffeite
Jagoite
Hardness: 3
Jagowerite
Hardness: 4.5
Jahnsite-(cafemg)
Hardness: 4
Jahnsite-(camnfe)
Hardness: 4
Jahnsite-(camnmg)
Hardness: 4
Jahnsite-(camnmn)
Hardness: 4
Jahnsite-(camnzn)
Jahnsite-(mnmnfe)
Jahnsite-(mnmnmg)
Jahnsite-(mnmnmn)
Hardness: 4
Jahnsite-(mnmnzn)
Jahnsite-(nafemg)
Hardness: 4
Jahnsite-(namnmg)
Jahnsite-(namnmn)
Jaipurite
Jakobssonite
Jalpaite
Hardness: 2 - 2.5
Jamborite
Jamesite
Hardness: 3
Jamesonite
Hardness: 2.5
Janchevite
Hardness: 2.5
Janggunite
Hardness: 2 - 3
Janhaugite
Hardness: 5
Jankovićite
Hardness: 2
Jarandolite
Hardness: 5.5 - 6
Jarlite
Hardness: 4 - 4.5
Jarosewichite
Hardness: 4
Jaskólskiite
Hardness: 4
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