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 1081–1200 of 1910 rocks (page 10 of 16).
Mendigiteraremineral · Mohs 4.5-5gray, white, colorless- No imageMenezesiteraremineral · Mohs 3.5yellow, yellow-orange
- No imageMengxianminiteraremineral · Mohs 3-4yellow, brownish-yellow
- No imageMenshikoviteraremineral · Mohs 3.5-4white, pale yellow
Merlinoiteraremineral · Mohs 4white, colorless, pale yellow- No imageMertieiteraremineral · Mohs 3.5white, pale yellow
- No imageMesaiteraremineral · Mohs 3-4red, reddish-orange
- No imageMetaboriteraremineral · Mohs 4white, colorless
- No imageMetacalciouranoiteraremineral · Mohs 3-4yellow, orange, brown
Metavarisciteraremineral · Mohs 3.5-4green, yellow-green
Meurigite-Kraremineral · Mohs 3-4yellow, yellow-brown, brownish-orange
Meurigite-Nararemineral · Mohs 3-4yellow, brownish-yellow, orange-yellow
Mgriiteraremineral · Mohs 4.5white, gray
Miassiteraremineral · Mohs 3.5-4silver-white, gray- No imageMica Bookscommonmineral · Mohs 2.5-4black, brown, silver
Mica Schistcommonmetamorphic · Mohs 3-6silver, gray, black- No imageMiddendorfiteraremineral · Mohs 4dark brown, black
Miguelromeroiteraremineral · Mohs 3-4yellow, yellowish-orange- No imageMiharaiteraremineral · Mohs 4-5black, brownish-black
Milleriteuncommonmineral · Mohs 3-3.5brass-yellow, pale bronze-yellow- No imageMilotaiteraremineral · Mohs 3-3.5gray, white
Mimetiteuncommonmineral · Mohs 3.5-4yellow, orange, brown- No imageMineevite-(Y)raremineral · Mohs 3-4colorless, white, yellow
- No imageMinjiangiteraremineral · Mohs 3.5colorless, white
Minrecorditeraremineral · Mohs 3.5-4colorless, white, pale yellow
Minyuliteraremineral · Mohs 3.5white, colorless, pale yellow
Mitridatiteuncommonmineral · Mohs 3.5green, dark green, yellow-green- No imageMitrofanoviteraremineral · Mohs 3.5white
- No imageMitryaevaiteraremineral · Mohs 3-4white, colorless
Mixiteraremineral · Mohs 3-4white, green, blue-green
Modderiteraremineral · Mohs 3.5white, gray
Mohiteraremineral · Mohs 3-3.5steel-gray, silver-white
Möhniteraremineral · Mohs 3-3.5steel-gray, silver-white
Molybdophylliteraremineral · Mohs 3.5-4colorless, white, yellow
Monetiteraremineral · Mohs 3.5white, colorless, gray
Monteregianite-(Y)raremineral · Mohs 3.5colorless, white, pale yellow
Montesommaiteraremineral · Mohs 4.5colorless, white- No imageMontroyaliteraremineral · Mohs 3.5white, colorless
- No imageMooihoekiteraremineral · Mohs 3.5bronze-yellow, brass-yellow
- No imageMoraskoiteraremineral · Mohs 3-4colorless, white
Mordenitecommonmineral · Mohs 3-4white, colorless, yellow
Moriniteraremineral · Mohs 4.5pink, flesh-red, white- No imageMorozevicziteraremineral · Mohs 4black, iron-black
Mosandrite-(Ce)raremineral · Mohs 4yellow, brown, reddish-brown
Mosasaur Toothcommonfossil · Mohs 3-5black, brown, tan
Moschellandsbergiteraremineral · Mohs 3.5silver-white, pale yellow
Mottramitecommonmineral · Mohs 3-3.5dark green, olive green, blackish green
Mounanaiteraremineral · Mohs 3.5dark red, reddish brown, orange red- No imageMouriteraremineral · Mohs 3-4dark blue, deep violet
Moydite-(Y)raremineral · Mohs 3.5white, yellow, tan
Mroseiteraremineral · Mohs 3.5colorless, white, yellowish
Mückeiteraremineral · Mohs 3-4yellow, brownish-yellow- No imageMuiriteraremineral · Mohs 3.5yellow, brown, orange-brown
Mummeiteraremineral · Mohs 3.5lead-gray, grayish-white
Munakataiteraremineral · Mohs 3-4bright blue, pale blue
Murdochiteraremineral · Mohs 3.5-4black- No imageMurunskiteraremineral · Mohs 3-4bronze-yellow, steel-gray
Mushistoniteraremineral · Mohs 3.5-4yellowish-green, olive-green, brownish-green- No imageMutinaiteraremineral · Mohs 4-5white, colorless
Nabaphiteraremineral · Mohs 3.5colorless, white, pale yellow- No imageNabesiteraremineral · Mohs 4-5colorless, white
Nabiasiteraremineral · Mohs 4yellow, brownish-yellow- No imageNabimusaiteraremineral · Mohs 4-5white, colorless
- No imageNabokoiteraremineral · Mohs 3.5-4greenish-yellow, yellowish-green
Nacaphiteraremineral · Mohs 3.5colorless, white, pale yellow
Nadoriteraremineral · Mohs 3.5-4yellowish-brown, brown, yellow
Nagashimaliteraremineral · Mohs 4dark brown, black
Naldrettiteraremineral · Mohs 4.5white, silver-white- No imageNalipoiteraremineral · Mohs 3.5colorless, white
Namibiteraremineral · Mohs 4dark green, brownish-green- No imageNanlingiteraremineral · Mohs 4yellow, yellowish-green, brown
Naquiteraremineral · Mohs 3.5white, gray
Nasoniteraremineral · Mohs 4colorless, white, yellowish
Nataliakulikiteraremineral · Mohs 3.5colorless
Nataniteraremineral · Mohs 4yellow, brown, dark brown
Natisiteraremineral · Mohs 4yellow, yellowish-orange
Native Antimonyraremineral · Mohs 3-3.5tin-white, silver-white, light gray
Native Arsenicuncommonmineral · Mohs 3.5tin-white, light gray, black
Native Ironraremineral · Mohs 4-5steel gray, iron black- No imageNative Palladiumraremineral · Mohs 4.5-5silvery white, steel gray
- No imageNative Platinumraremineral · Mohs 4-4.5silver-white, gray-white
- No imageNative Tungstenraremineral · Mohs 3.5gray, white
Natroaluniteuncommonmineral · Mohs 3.5-4white, yellowish, colorless- No imageNatroboltwooditeraremineral · Mohs 3-4yellow, pale yellow
Natrochalciteraremineral · Mohs 4.5emerald-green, grass-green, bright green
Natrodufréniteraremineral · Mohs 4-5green, yellowish-green, dark green
Natrojarositecommonmineral · Mohs 2.5-3.5yellow, yellow-brown, golden-yellow
Natrolemoyniteraremineral · Mohs 3-4white, colorless, pale yellow
Natrophiliteraremineral · Mohs 4.5-5yellow, orange, brown
Natrophosphateraremineral · Mohs 3.5colorless, white, pale yellow
Nchwaningiteraremineral · Mohs 4brown, yellow-brown- No imageNechelyustoviteraremineral · Mohs 4-5yellow, brown
Nefedoviteraremineral · Mohs 3.5colorless, white, pale yellow- No imageNegevitecommonmineral · Mohs 2.5-3.5green, brown, yellow
Neighboriteraremineral · Mohs 3.5colorless, white, tan
Nekoiteraremineral · Mohs 4.5white, colorless
Nekrasoviteraremineral · Mohs 3.5pinkish-brown, gray
Neleniteraremineral · Mohs 4-5yellow, brown, orange-brown
Neotociteuncommonmineral · Mohs 3-4black, dark brown, reddish-brown
Neustädteliteraremineral · Mohs 3-4yellow, yellow-brown, brown
Nickelraremineral · Mohs 4silver-white, gray
Nickelaustiniteraremineral · Mohs 4.5green, yellowish-green
Nickellotharmeyeriteraremineral · Mohs 4-5yellow, orange, brown
Nickelschneebergiteraremineral · Mohs 4.5yellow, yellow-green, brown
Nickeltalmessiteraremineral · Mohs 3.5green, yellowish-green
Nickeltsumcoriteraremineral · Mohs 4.5yellow, greenish-yellow
Nickeltyrrelliteraremineral · Mohs 4.5-5dark gray, black- No imageNickolayiteraremineral · Mohs 4-5white, gray
- No imageNicksoboleviteraremineral · Mohs 3-4deep violet, dark blue
Nielsbohriteraremineral · Mohs 3-4yellow, pale yellow- No imageNielseniteraremineral · Mohs 3.5white, silver-white
Nifontoviteraremineral · Mohs 3.5colorless, white- No imageNiksergieviteraremineral · Mohs 3.5yellow, brown, white
- No imageNiningeriteraremineral · Mohs 3.5-4dark brown, black, gray
Niobokupletskiteraremineral · Mohs 3-4brown, dark brown, reddish-brown- No imageNipalarsiteraremineral · Mohs 3-4white, colorless
- No imageNisniteraremineral · Mohs 4white, silver-white
- No imageNixoniteraremineral · Mohs 4-4.5dark brown, black
- No imageNizamoffiteraremineral · Mohs 4colorless, white, pale yellow
Nöggerathite-(Ce)raremineral · Mohs 4yellow, brown
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