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.
118 specimens starting with "F" (of 5,084 total)
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Fabianite
Hardness: 6
Fabrièsite
Hardness: 5 - 5.5
Faheyite
Hardness: 3
Fairbankite
Hardness: 2
Fairchildite
Hardness: 2.5
Faizievite
Hardness: 4 - 4.5
Falgarite
Falkmanite
Hardness: 2 - 3
Falottaite
Falsterite
Hardness: 2
Fangite
Hardness: 2 - 2.5
Farneseite
Farringtonite
Fassinaite
Hardness: 1.5 - 2
Faujasite
Favreauite
Hardness: 3
Fedorovskite
Hardness: 4.5
Fedotovite
Hardness: 2.5
Feiite
Feitknechtite
Felbertalite
Hardness: 3.5 - 4
Feldspar
Feldspathoid
Felsőbányaite
Hardness: 1.5
Fencooperite
Hardness: 4.5 - 5
Feodosiyite
Hardness: 3
Ferchromide
Hardness: 6.5
Ferdowsiite
Hardness: 2.5 - 3
Fergusonite
Fergusonite-(ce)
Hardness: 5.5 - 6.5
Fergusonite-(ce)-β
Hardness: 5.5 - 6.5
Fergusonite-(nd)-β
Hardness: 5.5 - 6.5
Fergusonite-(y)
Hardness: 5.5 - 6.5
Fergusonite-(y)-β
Hardness: 5.5 - 6.5
Ferhodsite
Fermiite
Hardness: 2.5
Feroxyhyte
Ferraioloite
Ferrarisite
Ferri-ghoseite
Hardness: 6.5
Ferrierite
Ferrihydrite
Ferrimolybdite
Hardness: 1 - 2
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
Fransoletite
Hardness: 3
Freedite
Hardness: 3
Freibergite
Hardness: 3.5 - 4
Freitalite
Fresnoite
Hardness: 3 - 4
Freudenbergite
Friedrichite
Hardness: 3.5 - 4
Frolovite
Hardness: 3.5
Froodite
Hardness: 2.5
Fuenzalidaite
Hardness: 2 - 3
Fuettererite
Hardness: 2 - 3
Fukalite
Hardness: 4
Fulbrightite
Furongite
Hardness: 2 - 3
Furutobeite
Hardness: 3
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