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 841–960 of 2721 rocks (page 8 of 23).
- No imageFleischeriteraremineral · Mohs 3.5colorless, white, pale yellow
- No imageFlinteiteraremineral · Mohs 3.5white, yellow, brown
Fluckiteraremineral · Mohs 3-4colorless, white, pale pink
Fluelliteraremineral · Mohs 3colorless, white
Fluoboriteraremineral · Mohs 3.5colorless, white, yellow- No imageFluoranniteraremineral · Mohs 2.5-3brown, greenish-brown, yellowish-brown
- No imageFluorescent Calcitecommonmineral · Mohs 3white, colorless, yellow
- No imageFluorescent Villiaumiteraremineral · Mohs 2-2.5red, pink, carmine
Fluorlamprophylliteraremineral · Mohs 3brown, yellow-brown, golden-brown- No imageFluorokinoshitaliteraremineral · Mohs 2.5-3yellow, brown, white
Fluorophlogopiteuncommonmineral · Mohs 2.5-3colorless, white, yellow- No imageFluorotetraferriphlogopiteraremineral · Mohs 2.5-3brown, yellowish-brown, dark brown
Fluorwavelliteraremineral · Mohs 3.5-4colorless, white, yellow
Flurliteraremineral · Mohs 2-3yellow, yellow-orange
Foggiteraremineral · Mohs 3-4white, colorless, pale yellow- No imageFontaniteraremineral · Mohs 2-3white, colorless, yellowish
Footemineiteraremineral · Mohs 3.5colorless, white, pink
Forêtiteraremineral · Mohs 2-3green, yellowish-green
Formicaiteraremineral · Mohs 2-3white, colorless, yellowish
Fornaciteraremineral · Mohs 3yellow, yellow-green, brown
Foshagiteraremineral · Mohs 3white, colorless, gray
Fossil Insectuncommonfossil · Mohs 1-3brown, amber, black
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 Ivoryuncommonfossil · Mohs 2.5-3white, cream, yellow
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
Fraipontiteraremineral · Mohs 2-3white, pale yellow, green
Francevilliteraremineral · Mohs 2.5yellow, orange-yellow
Francisiteraremineral · Mohs 3.5green, blue-green
Franckeiteraremineral · Mohs 2.5-3black, dark gray- No imageFrançoisite-(Ce)raremineral · Mohs 3yellow, orange-yellow
Françoisite-(Nd)raremineral · Mohs 3yellow, yellowish-orange- No imageFrankhawthorneiteraremineral · Mohs 3-4dark green, black
- No imageFranklinfurnaceiteraremineral · Mohs 3dark brown, black
- No imageFranklinphiliteraremineral · Mohs 3-4white, colorless, yellowish
Fransoletiteraremineral · Mohs 3white, colorless- No imageFrebolditeraremineral · Mohs 3.5-4dark gray, grayish white
Freieslebeniteraremineral · Mohs 2-2.5lead-gray, steel-gray, silver-white
Fresnoiteraremineral · Mohs 3yellow, yellow-orange, colorless
Friedrichiteraremineral · Mohs 3lead-gray, steel-gray
Fritzscheiteraremineral · Mohs 2-2.5reddish-brown, orange-red, yellow-orange
Frohbergiteraremineral · Mohs 3.5white, pale rose, gray
Froloviteraremineral · Mohs 3white, colorless
Frondeliteraremineral · Mohs 3.5-4yellow, brown, orange-brown
Frooditeraremineral · Mohs 2.5white, silver-white
Fuchsitecommonmineral · Mohs 2.5-3emerald-green, bright-green
Fuenzalidaiteraremineral · Mohs 3.5yellow, brown
Fuettereriteraremineral · Mohs 3pale green, yellow-green
Fukuchiliteraremineral · Mohs 3-4brass-yellow, yellowish-white
Fülöppiteraremineral · Mohs 2.5lead-gray, iron-black
Furutobeiteraremineral · Mohs 2.5-3lead-gray, black- No imageFuschitecommonmineral · Mohs 2.5emerald green, bright green, apple green
Gageiteraremineral · Mohs 3pink, colorless, yellowish-pink
Gaititeraremineral · Mohs 3.5colorless, white, pale pink- No imageGajardoiteraremineral · Mohs 2-3yellow, greenish-yellow
Galeiteraremineral · Mohs 3colorless, white, yellow
Galenacommonmineral · Mohs 2.5lead-gray
Galenobismutiteraremineral · Mohs 2.5-3lead-gray, tin-white
Galkhaiteraremineral · Mohs 3orange, red, yellow-orange- No imageGalliskiiteraremineral · Mohs 3.5colorless, white
Galliteraremineral · Mohs 3-3.5gray, dark gray, blackish-gray- No imageGallobeudantiteraremineral · Mohs 3.5-4yellow, greenish-yellow, brown
- No imageGananiteraremineral · Mohs 3yellow, pale yellow
Ganomaliteraremineral · Mohs 3colorless, white, grayish
Ganophylliteraremineral · Mohs 3-4brown, yellowish-brown- No imageGanteriteraremineral · Mohs 2.5white, colorless, gray
- No imageGaotaiiteraremineral · Mohs 3.5white, pale yellow
Garavelliteraremineral · Mohs 3.5steel-gray, silver-white- No imageGarmiteraremineral · Mohs 3.5white, colorless, gray
Garnet Schistcommonmetamorphic · Mohs 3-7gray, brown, silver- No imageGaryanselliteraremineral · Mohs 3.5yellow, brownish-yellow, pale brown
Gastropodscommonfossil · Mohs 3-5white, brown, gray- No imageGatedaliteraremineral · Mohs 3.5-4yellow, brownish-yellow
Gatehouseiteraremineral · Mohs 3-4orange, brownish-orange
Gatumbaiteraremineral · Mohs 3.5white, colorless- No imageGaultiteraremineral · Mohs 3.5colorless, white, pale yellow
Gauthieriteraremineral · Mohs 2-3yellow, orange-yellow
Gaylussiteuncommonmineral · Mohs 2.5-3colorless, white, gray- No imageGazeeviteraremineral · Mohs 3.5colorless, white
Gearksutiteraremineral · Mohs 2-3white, colorless, grayish- No imageGebharditeraremineral · Mohs 2-3yellow, yellowish-green
Geffroyiteraremineral · Mohs 3-4white, gray- No imageGeigeriteraremineral · Mohs 3-4colorless, white, pale pink
- No imageGemstonesuncommongemstone · Mohs 1-10various
- No imageGenplesiteraremineral · Mohs 3.5colorless, white
- No imageGenthiteuncommonmineral · Mohs 2-3green, yellowish-green, apple-green
Geocroniteraremineral · Mohs 2.5lead-gray, grayish-blue- No imageGeorgbokiiteraremineral · Mohs 3-4dark red, brownish-red
- No imageGeorge-erickseniteraremineral · Mohs 3-4yellow, pale yellow
Georgeiteraremineral · Mohs 2-3blue, pale blue, greenish blue
Georgiadesiteraremineral · Mohs 3yellow, yellowish-white, colorless
Gerasimovskiteraremineral · Mohs 3-4brown, yellowish-brown, yellow
Gerdtremmeliteraremineral · Mohs 3yellow, brownish-yellow- No imageGerenite-(Y)raremineral · Mohs 3.5yellow, brownish-yellow, pale yellow
- No imageGermanocolusiteraremineral · Mohs 3-4pinkish-brown, brown
- No imageGeschieberiteraremineral · Mohs 2-2.5white, colorless, pale yellow
Gianellaiteraremineral · Mohs 3-3.5yellow, orange-yellow
Gibbsitecommonmineral · Mohs 2.5-3.5white, grayish-white, yellowish
Giesseniteraremineral · Mohs 3.5lead-gray, blackish-gray
Gilaliteraremineral · Mohs 2.5blue, pale blue, turquoise
Gilmariteraremineral · Mohs 3green, yellowish-green
Gilsonitecommonmineral · Mohs 2-2.5black- No imageGiniiteraremineral · Mohs 3.5dark green, brownish green
Ginoriteraremineral · Mohs 3white, colorless
Giraudite-(Zn)raremineral · Mohs 3-4gray, black- No imageGirvasiteraremineral · Mohs 3colorless, white, pale yellow
Gladiteraremineral · Mohs 2.5-3lead-gray- No imageGladiusiteraremineral · Mohs 3.5colorless, white
- No imageGladkovskyiteraremineral · Mohs 3-3.5dark brown, black
- No imageGlagoleviteraremineral · Mohs 2-3white, colorless, pale yellow
Glauberitecommonmineral · Mohs 2.5-3colorless, white, yellow
Glaukosphaeriteraremineral · Mohs 3green, dark green
Gobeliniteraremineral · Mohs 3yellow, orange-yellow
Godlevskiteraremineral · Mohs 3.5-4yellow, bronze-yellow
Goldcommonmineral · Mohs 2.5-3gold-yellow, pale yellow, orange-yellow
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