Mohs hardness 3 rocks & minerals
Mohs hardness 3 is the calcite mark — easily scratched by a copper coin. Many carbonates and softer sulfides cluster here.
Showing 721–840 of 2721 rocks (page 7 of 23).
Earlanditeraremineral · Mohs 2-3white, colorless
Earlshannoniteraremineral · Mohs 3.5brown, yellowish-brown, reddish-brown
Eastoniteraremineral · Mohs 2.5-3dark brown, black, greenish-brown
Ecdemiteraremineral · Mohs 2.5yellow, orange, greenish-yellow
Echinoidcommonfossil · Mohs 3-4white, gray, tan- No imageEckeriteraremineral · Mohs 2.5-3white, gray
Eclariteraremineral · Mohs 3.5lead-gray, iron-black
Edenharteriteraremineral · Mohs 3.5lead-gray, black
Edgarbaileyiteraremineral · Mohs 3yellow, greenish-yellow
Edgariteraremineral · Mohs 3-3.5black, gray
Edoyleriteraremineral · Mohs 2.5red, orange-red
Effenbergeriteraremineral · Mohs 3.5blue, intense blue- No imageEfremoviteraremineral · Mohs 3.5yellow, colorless, white
Eggletoniteraremineral · Mohs 3-4brown, reddish-brown
Eglestoniteraremineral · Mohs 2.5yellow, yellow-brown, orange- No imageEhrleiteraremineral · Mohs 3.5colorless, white, pale yellow
Eiteliteraremineral · Mohs 3.5colorless, white, yellowish
Ekateriniteraremineral · Mohs 3-4colorless, white- No imageEkatiteraremineral · Mohs 3colorless, white, yellow
- No imageElasmochloiteraremineral · Mohs 2-3dark green, blackish-green
- No imageEldfelliteraremineral · Mohs 2-3pale yellow, white, colorless
- No imageEldragóniteraremineral · Mohs 2.5steel-gray, black
- No imageEliseeviteraremineral · Mohs 3.5colorless, white
Elpasoliteraremineral · Mohs 2.5colorless, white, pinkish
Embreyiteraremineral · Mohs 2.5orange, reddish-orange- No imageEmiliteraremineral · Mohs 3-3.5dark gray
Emmerichiteraremineral · Mohs 2.5yellow, brown
Empressiteraremineral · Mohs 3.5white, pale brass yellow, gray
Enargiteuncommonmineral · Mohs 3grayish-black, iron-black- No imageEndelliteuncommonmineral · Mohs 2-2.5white, yellowish, gray
Engelhauptiteraremineral · Mohs 2-3yellow, yellow-orange
Englishiteraremineral · Mohs 3-4colorless, white
Enneasartoriteraremineral · Mohs 3lead-gray
Ephesiteraremineral · Mohs 3.5-4white, pink, pale red
Epistoliteraremineral · Mohs 3.5white, gray, pink
Epsomitecommonmineral · Mohs 2-2.5white, colorless, pink- No imageErcititeraremineral · Mohs 3.5yellow, brownish-yellow
- No imageEriclaxmaniteraremineral · Mohs 3-4dark green, olive green
- No imageErikapohliteraremineral · Mohs 3-4dark green, blackish green
Eriochalciteraremineral · Mohs 2.5blue, blue-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
Ernienickeliteraremineral · Mohs 2-3black- No imageErniggliiteraremineral · Mohs 3.5black
Ershoviteraremineral · Mohs 2-3yellow, brownish-yellow
Erythriteuncommonmineral · Mohs 1.5-2.5crimson, peach-red, pink
Erythrosideriteraremineral · Mohs 2.5red, dark red, orange-red
Erzwiesiteraremineral · Mohs 3-3.5lead-gray, black- No imageEskeborniteraremineral · Mohs 3-3.5brass-yellow, bronze
Eskimoiteraremineral · Mohs 2.5-3lead-gray, steel-gray- No imageEspadaiteraremineral · Mohs 2-3yellow, pale yellow
- No imageEsperanzaiteraremineral · Mohs 3-4yellow, yellowish-green, colorless
Esquireiteraremineral · Mohs 3.5colorless, white
Eucairiteraremineral · Mohs 2.5lead-gray, silver-white
Euchlorineraremineral · Mohs 3emerald-green, yellow-green
Euchroiteraremineral · Mohs 3.5-4emerald-green, dark green, leek-green
Eugeniteraremineral · Mohs 3silver-white
Eugsteriteraremineral · Mohs 2.5colorless, white
Eurekadumpiteraremineral · Mohs 2.5bright yellow, greenish yellow
Evansiteuncommonmineral · Mohs 3.5-4colorless, white, bluish
Eveiteraremineral · Mohs 3.5-4green, yellowish-green
Ewalditeraremineral · Mohs 3.5white, pale green, pale yellow- No imageEyseliteraremineral · Mohs 3yellow, yellow-orange, brown
- No imageFaheyiteraremineral · Mohs 3white, pale yellow
Fahleiteraremineral · Mohs 3.5yellow, yellowish-green
Fairbankiteraremineral · Mohs 2.5colorless, white, yellowish
Fairchilditeraremineral · Mohs 3colorless, white, gray
Fairfielditeuncommonmineral · Mohs 3.5white, yellow, colorless- No imageFalgariteraremineral · Mohs 3-4white, yellow, brown
Falkmaniteraremineral · Mohs 2.5lead-gray, steel-gray- No imageFalottaiteraremineral · Mohs 3yellow, brownish-yellow
- No imageFalsteriteraremineral · Mohs 2-3white, colorless
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
Fedotoviteraremineral · Mohs 2-3green, bluish-green
Feinglositeraremineral · Mohs 3yellow, brownish yellow
Feitknechtiteraremineral · Mohs 2.5brown, black, orange-brown- No imageFelbertaliteraremineral · Mohs 3-3.5dark gray, lead-gray, black
Fencooperiteraremineral · Mohs 3-4dark brown, reddish brown
Ferraioloiteraremineral · Mohs 2-3yellow, yellow-orange
Ferribushmakiniteraremineral · Mohs 3yellow, yellow-green
Ferricopiapitecommonmineral · Mohs 2.5-3yellow, golden yellow, orange-yellow- 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
Ferrihydritecommonmineral · Mohs 2-3reddish-brown, brown, dark-brown
Ferrinatriteraremineral · Mohs 2.5pale yellow, yellowish white, colorless
Ferristrunziteraremineral · Mohs 3.5yellow, brownish-yellow, amber
Ferrisuriteraremineral · Mohs 2-3yellow, golden-yellow, brownish-yellow
Ferrisymplesiteraremineral · Mohs 2-3dark brown, brownish black, brown
Ferrivauxiteraremineral · Mohs 3.5yellow, brownish yellow
Ferrohexahydriteraremineral · Mohs 2.5pale green, white
Ferrokësteriteraremineral · Mohs 3.5black, brownish-black- No imageFerrokinoshitaliteraremineral · Mohs 2.5-3yellow, brown, dark brown
- No imageFerrolaueiteraremineral · Mohs 3brown, orange-brown
Ferroseliteraremineral · Mohs 2.5-3white, gray- No imageFerrostalderiteraremineral · Mohs 3.5-4black, gray
Ferrostrunziteraremineral · Mohs 3.5yellow, brownish-yellow, tan- No imageFerrovorontsoviteraremineral · Mohs 3.5black, dark gray
Fervaniteraremineral · Mohs 2.5-3yellow, brownish-yellow
Fetiasiteraremineral · Mohs 3-4dark brown, black
Fetteliteraremineral · Mohs 2.5dark red, black- No imageFianeliteraremineral · Mohs 3.5yellow, orange-yellow
Fibroferriteuncommonmineral · Mohs 2.5yellow, white, greenish-yellow
Fiedleriteraremineral · Mohs 2.5colorless, white, yellow
Finchiteraremineral · Mohs 2-3orange, yellow-orange
Finger Coralcommonfossil · Mohs 3-4white, tan, brown
Fingeriteraremineral · Mohs 3orange, red-orange
Finnemaniteraremineral · Mohs 2.5-3gray, white, colorless- No imageFire Pearlrarefossil · Mohs 2.5-4.5white, cream, iridescent
Fischesseriteraremineral · Mohs 2.5silver-white, pale yellow
Fish Fossilcommonfossil · Mohs 3-5brown, tan, gray
Fizélyiteraremineral · Mohs 2-2.5lead-gray, iron-black- No imageFlamiteraremineral · Mohs 3.5yellow, brown, colorless
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