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 1381-1440 of 5,084 specimens
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Ferrinatrite
Hardness: 2.5
Ferriprehnite
Ferrisurite
Hardness: 2 - 2.5
Ferrivauxite
Hardness: 3.5
Ferro-papikeite
Ferroactinolite
Ferrogedrite
Ferrohortonolite
Ferroindialite
Hardness: 7
Ferronickelplatinum
Hardness: 5
Ferronigerite2n1s
Ferruccite
Hardness: 3
Fersmanite
Hardness: 5.5
Fervanite
Fetiasite
Hardness: 5
Fettelite
Hardness: 3.5
Feynmanite
Hardness: 2
Fianelite
Hardness: 3
Fichtelite
Fiedlerite
Hardness: 3.5
Fiemmeite
Finchite
Fingerite
Finnemanite
Hardness: 2.5
Fischesserite
Hardness: 2
Fivegite
Hardness: 4
Flagstaffite
Flamite
Hardness: 5 - 5.5
Fleetite
Fleisstalite
Flinkite
Hardness: 4.5
Flinteite
Hardness: 2
Florenskyite
Fluckite
Hardness: 3.5 - 4
Fluellite
Hardness: 3
Fluoborite
Hardness: 3.5
Fluocerite
Fluocerite-(ce)
Hardness: 4.5 - 5
Fluocerite-(la)
Hardness: 4 - 5
Fluorbarytolamprophyllite
Fluorbuergerite
Fluorcarletonite
Hardness: 4 - 4.5
Fluorlamprophyllite
Hardness: 3
Fluornatrocoulsellite
Fluoro-cannilloite
Hardness: 6
Fluoro-tremolite
Fluororichterite (amphibole group)
Flurlite
Foggite
Hardness: 4
Fontanite
Hardness: 3
Fontarnauite
Hardness: 2.5 - 3
Forêtite
Hardness: 3 - 4
Formanite-(y)
Hardness: 5.5 - 6.5
Formicaite
Hardness: 1
Fornacite
Hardness: 2 - 3
Foshagite
Fourmarierite
Hardness: 3 - 4
Francisite
Hardness: 3 - 4
Francoanellite
Hardness: 1 - 2
Frankhawthorneite
Hardness: 3 - 3.5
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