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 601–720 of 2721 rocks (page 6 of 23).
- No imageCryptochalcitecommonmineral · Mohs 3white, colorless, gray
Cryptohaliteraremineral · Mohs 2.5colorless, white, yellowish
Cryptophylliteraremineral · Mohs 3.5yellow, yellowish-green, brown
Cubaniteuncommonmineral · Mohs 3.5-4brass-yellow, bronze-yellow- No imageCuboargyriteraremineral · Mohs 2.5lead-gray, black
Cumengeiteraremineral · Mohs 2.5indigo blue, dark blue- No imageCupaliteraremineral · Mohs 3-3.5copper-red, reddish-brown
Cupritecommonmineral · Mohs 3.5-4red, dark red, cochineal red- No imageCuproaurideraremineral · Mohs 2.5-3yellow, gold-yellow
Cuprobismutiteraremineral · Mohs 3.5dark gray, black
Cuprocopiapiteraremineral · Mohs 2.5-3yellow, greenish-yellow- No imageCupromakopavoniteraremineral · Mohs 3-4lead-gray, steel-gray
- No imageCupromakovickyiteraremineral · Mohs 3-3.5lead-gray, steel-gray
- No imageCupromolybditeraremineral · Mohs 3-3.5green, yellow-green
- No imageCuproneyiteraremineral · Mohs 3-4dark blue, black
- No imageCupropavoniteraremineral · Mohs 3.5steel-gray, lead-gray
- No imageCupropearceiteraremineral · Mohs 3black, iron-black
Cupropolybasiteraremineral · Mohs 2.5-3black, iron-black
Cuprosklodowskiteraremineral · Mohs 3-4grass-green, emerald-green, yellow-green
Cuprostibiteraremineral · Mohs 3.5dark gray, bronze-like, light red
Cuzticiteraremineral · Mohs 2.5yellow, brownish-yellow
Cyanochroiteraremineral · Mohs 2.5blue, bluish-green, colorless
Cylindriteraremineral · Mohs 2-2.5dark lead-gray, blackish-gray
Cymriteraremineral · Mohs 2.5white, colorless, pale yellow
Cyriloviteraremineral · Mohs 3.5-4yellow, golden-yellow, orange-yellow- No imageCzochralskiiteraremineral · Mohs 3.5colorless, white
- No imageD'Ansiteraremineral · Mohs 3.5colorless, white, yellowish
- No imageD'Ansite-(Fe)raremineral · Mohs 3.5yellow, yellowish-orange
- No imageD'Ansite-(Mn)raremineral · Mohs 3.5colorless, white
Dadsoniteraremineral · Mohs 2.5-3lead-gray, grayish-black
Dalnegroiteraremineral · Mohs 3-3.5lead-gray, dark gray
Damaraiteraremineral · Mohs 2.5colorless, white- No imageDamiaoiteraremineral · Mohs 3.5white, silver-white
Damouritecommonmineral · Mohs 2-3white, yellowish-white, pale green
Danbaiteraremineral · Mohs 3.5silver-white, light yellow- No imageDantopaiteraremineral · Mohs 3-3.5dark gray, black
- No imageDaomaniteraremineral · Mohs 3.5-4brass-yellow, pale gold
Daqingshanite-(Ce)raremineral · Mohs 3.5-4white, colorless, pale yellow
Darapskiteraremineral · Mohs 2.5colorless, white, yellowish- No imageDargaiteraremineral · Mohs 3.5yellow, yellowish-brown, colorless
Daubréeiteraremineral · Mohs 2.5white, gray, yellowish-white
Daubréeliteraremineral · Mohs 3.5-4black, dark brownish-black
Davaniteraremineral · Mohs 3-4colorless, white- No imageDavidlloyditeraremineral · Mohs 3white, colorless
Dawsoniteuncommonmineral · Mohs 3white, colorless, gray- No imageDeanesmithiteraremineral · Mohs 2.5bright red, orange-red
- No imageDebattistiiteraremineral · Mohs 2.5lead-gray, silver-white
Decrespignyite-(Y)raremineral · Mohs 3blue, greenish-blue, emerald-green
Deferniteraremineral · Mohs 3-4colorless, white, pale gray
Dekatriasartoriteraremineral · Mohs 3lead-gray, black
Delhayeliteraremineral · Mohs 3-4colorless, white, pale yellow- No imageDeliensiteraremineral · Mohs 2.5yellow, yellowish-green
Delindeiteraremineral · Mohs 3-4yellow, brown
Dellaiteraremineral · Mohs 3.5colorless, white, grayish- No imageDeloryiteraremineral · Mohs 3-4green, brownish-green
Delvauxiteraremineral · Mohs 2.5-3yellow, brown, reddish-brown
Demesmaekeriteraremineral · Mohs 3honey-yellow, brownish-yellow, greenish-yellow
Denisoviteraremineral · Mohs 3-4white, colorless, yellowish
Denningiteraremineral · Mohs 3colorless, pale green
Derriksiteraremineral · Mohs 2-3emerald-green, grass-green- No imageDervilliteraremineral · Mohs 3.5-4dark gray, black
Descloiziteuncommonmineral · Mohs 3-3.5red, brown, orange- No imageDesert Rose Baritecommonmineral · Mohs 3-3.5tan, brown, cream
Despujolsiteraremineral · Mohs 2.5colorless, white, yellow
Destineziteraremineral · Mohs 3-4yellow, brown, white
Deveroite-(Ce)raremineral · Mohs 3pale yellow, white, colorless
Devillineuncommonmineral · Mohs 2.5blue, greenish-blue, emerald-green
Dewindtiteraremineral · Mohs 3canary yellow, lemon yellow, golden yellow
Diaboleiteraremineral · Mohs 2.5deep blue, bright blue
Diadochiteuncommonmineral · Mohs 3yellow, brown, orange
Diaoyudaoiteraremineral · Mohs 3.5colorless, white
Diaphoriteraremineral · Mohs 2.5-3lead-gray, iron-black- No imageDickinsonite-(KMnNa)raremineral · Mohs 3.5-4olive-green, yellow-green, brownish-green
- No imageDiegogattaiteraremineral · Mohs 3yellow, greenish-yellow
Dieneriteraremineral · Mohs 3.5silver-white, gray
Dietzeiteraremineral · Mohs 3-3.5yellow, orange-yellow, reddish-orange
Digeniteuncommonmineral · Mohs 2.5-3dark blue, black, bluish black
Dinosaur Coproliteuncommonfossil · Mohs 3-5brown, tan, black
Dinosaur Toothcommonfossil · Mohs 3-5brown, black, gray- No imageDirenzoiteraremineral · Mohs 3.5colorless, white
- No imageDisulfodadsoniteraremineral · Mohs 2.5lead-gray, black
- No imageDiversilite-(Ce)raremineral · Mohs 3-4yellow, yellow-brown
Dixeniteraremineral · Mohs 3-4dark red, brownish-red, black
Djerfisheriteraremineral · Mohs 3.5black, dark brown
Djurleiteuncommonmineral · Mohs 2.5-3lead-gray, dark blue, black- No imageDmisokoloviteraremineral · Mohs 2-2.5dark red, reddish-brown
- No imageDmitryivanoviteraremineral · Mohs 3.5colorless, white
- No imageDogtooth Calcitecommonmineral · Mohs 3white, colorless, yellow
- No imageDolerophaniteraremineral · Mohs 3dark red, brownish red
Dolomitecommonmineral · Mohs 3.5-4white, gray, pink
Doloresiteraremineral · Mohs 3brown, bronze-brown, black
Dolostonecommonsedimentary · Mohs 3.5-4gray, white, buff- No imageDomerockiteraremineral · Mohs 3-4colorless, white
Domeykiteuncommonmineral · Mohs 3-3.5tin-white, silver-white, yellowish
Donbassiteraremineral · Mohs 2.5-3colorless, white, pale green
Donharrisiteraremineral · Mohs 3-3.5white, pale yellow
Donnayite-(Y)raremineral · Mohs 3colorless, white, yellow
Dorallchariteraremineral · Mohs 2.5-3.5yellow, yellowish-brown- No imageDouglasiteraremineral · Mohs 2.5colorless, white, yellowish
Doyleiteraremineral · Mohs 2.5-3white, colorless- No imageDravertiteraremineral · Mohs 3colorless, white
Dresseriteraremineral · Mohs 2.5white, colorless
Dreyeriteraremineral · Mohs 3yellow, orange-yellow- No imageDrobeciteraremineral · Mohs 2.5yellow, yellow-green
Drugmaniteraremineral · Mohs 3.5colorless, white, yellowish
Dufréniteuncommonmineral · Mohs 3.5-4.5dark green, blackish green, olive green
Dufrenoysiteraremineral · Mohs 3lead-gray, iron-black
Dufrénoysiteraremineral · Mohs 3lead-gray, black
Duftiteuncommonmineral · Mohs 3.5green, yellow-green, gray-green
Dugganiteraremineral · Mohs 3.5green, yellow-green
Dumontiteraremineral · Mohs 3yellow, amber, brownish-yellow
Dundasiteuncommonmineral · Mohs 3.5-4white, pale yellow, pale green
Dunham Dolomitecommonsedimentary · Mohs 3.5-4gray, buff, tan
Dussertiteraremineral · Mohs 3.5-4yellow, yellow-green, brown
Dwornikiteraremineral · Mohs 2-3white, pale green
Dypingiteuncommonmineral · Mohs 2.5white, colorless, pale blue
Dyscrasiteraremineral · Mohs 3.5-4silver-white, lead-gray, tarnishes-yellow
Dzhalinditeraremineral · Mohs 3.5-4yellow, yellowish-brown
Dzharkeniteraremineral · Mohs 3.5-4gray, blackish-gray- No imageDzierżanowskiteraremineral · Mohs 2.5-3gray
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