Mohs hardness 4 rocks & minerals
Mohs hardness 4 is referenced by fluorite. Minerals at this hardness scratch with a steel knife but are too hard for a coin.
Showing 481–600 of 1910 rocks (page 5 of 16).
Effenbergeriteraremineral · Mohs 3.5blue, intense blue- No imageEfremoviteraremineral · Mohs 3.5yellow, colorless, white
Eggletoniteraremineral · Mohs 3-4brown, reddish-brown- No imageEhrleiteraremineral · Mohs 3.5colorless, white, pale yellow
Eiteliteraremineral · Mohs 3.5colorless, white, yellowish
Ekateriniteraremineral · Mohs 3-4colorless, white- No imageEliseeviteraremineral · Mohs 3.5colorless, white
Ellingseniteraremineral · Mohs 4-5white, colorless- No imageEmiliteraremineral · Mohs 3-3.5dark gray
Empressiteraremineral · Mohs 3.5white, pale brass yellow, gray
Englishiteraremineral · Mohs 3-4colorless, white
Ephesiteraremineral · Mohs 3.5-4white, pink, pale red
Epistilbiteuncommonmineral · Mohs 4-5white, colorless, yellowish
Epistoliteraremineral · Mohs 3.5white, gray, pink- No imageErcititeraremineral · Mohs 3.5yellow, brownish-yellow
- No imageEriclaxmaniteraremineral · Mohs 3-4dark green, olive green
- No imageErikapohliteraremineral · Mohs 3-4dark green, blackish green
- No imageErionite-Cararemineral · Mohs 3.5-4white, colorless, yellowish
Erionite-Kuncommonmineral · Mohs 3.5-4white, colorless, pale yellow- No imageErionite-Nararemineral · Mohs 3.5-4white, colorless, yellow
Erlianiteraremineral · Mohs 3-4brown, yellowish-brown, dark brown- No imageErniggliiteraremineral · Mohs 3.5black
Erzwiesiteraremineral · Mohs 3-3.5lead-gray, black
Escheiteraremineral · Mohs 4pink, red, white- No imageEskeborniteraremineral · Mohs 3-3.5brass-yellow, bronze
- No imageEsperanzaiteraremineral · Mohs 3-4yellow, yellowish-green, colorless
Esquireiteraremineral · Mohs 3.5colorless, white
Euchroiteraremineral · Mohs 3.5-4emerald-green, dark green, leek-green
Eulytineraremineral · Mohs 4.5yellow, brown, gray
Evansiteuncommonmineral · Mohs 3.5-4colorless, white, bluish
Eveiteraremineral · Mohs 3.5-4green, yellowish-green
Ewalditeraremineral · Mohs 3.5white, pale green, pale yellow
Fabrièsiteraremineral · Mohs 4.5colorless, white, yellowish
Fahleiteraremineral · Mohs 3.5yellow, yellowish-green
Fairfielditeuncommonmineral · Mohs 3.5white, yellow, colorless- No imageFalgariteraremineral · Mohs 3-4white, yellow, brown
Famatiniteuncommonmineral · Mohs 3.5copper-red, reddish-gray- No imageFanfaniiteraremineral · Mohs 3.5colorless, white, pale yellow
Favositescommonfossil · Mohs 3-4gray, tan, brown
Fedoriteraremineral · Mohs 3-4colorless, white, pale yellow
Fedorovskiteraremineral · Mohs 3.5white, colorless, yellowish-white- No imageFelbertaliteraremineral · Mohs 3-3.5dark gray, lead-gray, black
Fencooperiteraremineral · Mohs 3-4dark brown, reddish brown
Ferberiteuncommonmineral · Mohs 4-4.5black, brownish-black- No imageFerrierite-Kuncommonmineral · Mohs 3-3.5white, colorless, yellowish
Ferrierite-Mgraremineral · Mohs 3.5-4white, colorless, pale yellow
Ferrierite-Nararemineral · Mohs 3-3.5white, colorless, pale yellow
Ferrierite-NH4raremineral · Mohs 3-3.5white, colorless, yellowish
Ferrilotharmeyeriteraremineral · Mohs 4-5yellow, yellowish-orange, brown- No imageFerrirockbridgeiteraremineral · Mohs 4.5dark green, blackish green, brown
Ferristrunziteraremineral · Mohs 3.5yellow, brownish-yellow, amber
Ferrivauxiteraremineral · Mohs 3.5yellow, brownish yellow- No imageFerroalluauditeraremineral · Mohs 4-5yellow, brown, green
- No imageFerrobobfergusoniteraremineral · Mohs 4.5-5brown, dark brown
- No imageFerrochiavenniteraremineral · Mohs 4white, colorless, pale yellow
- No imageFerroericssoniteraremineral · Mohs 4-5black, dark brown
Ferrokësteriteraremineral · Mohs 3.5black, brownish-black
Ferronickelplatinumraremineral · Mohs 4white, silvery-white- No imageFerroqingheiiteraremineral · Mohs 4dark green, black
- No imageFerrorockbridgeiteraremineral · Mohs 4.5dark brown, black, greenish black
- No imageFerrorosemaryiteraremineral · Mohs 4-4.5dark brown, black, yellow-brown
- No imageFerrostalderiteraremineral · Mohs 3.5-4black, gray
Ferrostrunziteraremineral · Mohs 3.5yellow, brownish-yellow, tan
Ferrotychiteraremineral · Mohs 4yellow, brown, colorless- No imageFerrovorontsoviteraremineral · Mohs 3.5black, dark gray
Ferrowyllieiteraremineral · Mohs 4-5green, yellow-green
Fersmiteraremineral · Mohs 4-4.5black, brownish-black, brown
Fetiasiteraremineral · Mohs 3-4dark brown, black- No imageFianeliteraremineral · Mohs 3.5yellow, orange-yellow
Fillowiteraremineral · Mohs 4.5yellowish-brown, reddish-brown, yellow
Finger Coralcommonfossil · Mohs 3-4white, tan, brown- No imageFire Pearlrarefossil · Mohs 2.5-4.5white, cream, iridescent
Fish Fossilcommonfossil · Mohs 3-5brown, tan, gray
Fivegiteraremineral · Mohs 4white, colorless, yellow- No imageFlamiteraremineral · Mohs 3.5yellow, brown, colorless
- No imageFleischeriteraremineral · Mohs 3.5colorless, white, pale yellow
Fletcheriteraremineral · Mohs 4.5black, gray- No imageFlinteiteraremineral · Mohs 3.5white, yellow, brown
Flörkeiteraremineral · Mohs 4-5white, colorless
Fluckiteraremineral · Mohs 3-4colorless, white, pale pink
Fluoboriteraremineral · Mohs 3.5colorless, white, yellow
Fluocerite-(Ce)raremineral · Mohs 4.5-5yellow, reddish-yellow, brown- No imageFluocerite-(La)raremineral · Mohs 4.5-5red, yellow, brown
- No imageFluorapophyllite-(Cs)raremineral · Mohs 4.5-5colorless, white, pinkish
Fluorapophyllite-(K)commonmineral · Mohs 4.5-5white, colorless, green- No imageFluorapophyllite-(Na)uncommonmineral · Mohs 4.5-5white, colorless, pink
- No imageFluorarrojadite-(BaFe)raremineral · Mohs 4-5green, brownish-green, yellowish-green
Fluoritecommonmineral · Mohs 4purple, blue, green- No imageFluorowarditeraremineral · Mohs 4colorless, white, pale yellow
Fluorwavelliteraremineral · Mohs 3.5-4colorless, white, yellow
Foggiteraremineral · Mohs 3-4white, colorless, pale yellow
Footemineiteraremineral · Mohs 3.5colorless, white, pink
Fossil Leafcommonfossil · Mohs 2-4brown, black, gray
Fossil Leaf Printscommonfossil · Mohs 2-4brown, tan, black- No imageFossilized Fernscommonfossil · Mohs 3-6black, brown, gray
- No imageFossilized Horse Bonescommonfossil · Mohs 3-6brown, tan, white
Fossilized Shark Teethcommonfossil · Mohs 3-5black, gray, brown
Fossilized Shellscommonfossil · Mohs 3-5white, gray, brown
Fossilscommonfossil · Mohs 3-7brown, gray, white
Fourmarieriteraremineral · Mohs 3-4red, orange, reddish-brown
Francisiteraremineral · Mohs 3.5green, blue-green- No imageFrankdicksoniteraremineral · Mohs 4colorless, white
- No imageFrankhawthorneiteraremineral · Mohs 3-4dark green, black
- No imageFranklinphiliteraremineral · Mohs 3-4white, colorless, yellowish
- No imageFrebolditeraremineral · Mohs 3.5-4dark gray, grayish white
Friedeliteraremineral · Mohs 4-5pink, brown, red
Frohbergiteraremineral · Mohs 3.5white, pale rose, gray
Frondeliteraremineral · Mohs 3.5-4yellow, brown, orange-brown
Fuenzalidaiteraremineral · Mohs 3.5yellow, brown- No imageFukaliteraremineral · Mohs 4white, colorless, pale yellow
Fukuchiliteraremineral · Mohs 3-4brass-yellow, yellowish-white- No imageGabrielsoniteraremineral · Mohs 4.5yellow, brownish-yellow
- No imageGagarinite-(Ce)raremineral · Mohs 4.5pink, white, yellowish
Gagarinite-(Y)raremineral · Mohs 4.5white, yellow, pink
Gainesiteraremineral · Mohs 4colorless, white, yellowish-white
Gaititeraremineral · Mohs 3.5colorless, white, pale pink- No imageGalgenbergite-(Ce)raremineral · Mohs 4-4.5yellow, brown, tan
- No imageGalliskiiteraremineral · Mohs 3.5colorless, white
Galliteraremineral · Mohs 3-3.5gray, dark gray, blackish-gray- No imageGallobeudantiteraremineral · Mohs 3.5-4yellow, greenish-yellow, brown
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