Mohs hardness 6 rocks & minerals
Mohs hardness 6 is orthoclase feldspar — the boundary where a steel knife stops working as a scratch tool. Glass usually gives way.
Showing 481–600 of 1497 rocks (page 5 of 13).
Fluornatromicroliteraremineral · Mohs 5-5.5yellow, brown, orange
Fluornatropyrochloreraremineral · Mohs 5-5.5yellow, brown, reddish-brown- No imageFluoro-cannilloiteraremineral · Mohs 5-6brown, yellow-brown
Fluoro-edeniteraremineral · Mohs 5-6white, gray, pale green- No imageFluoro-leakeiteraremineral · Mohs 6deep blue, violet-blue, dark blue
- No imageFluoro-nybøiteraremineral · Mohs 5-6blue, violet, greenish-blue
- No imageFluoro-pargasiteraremineral · Mohs 5-6dark green, brownish green, brown
Fluoro-richteriteraremineral · Mohs 5-6white, brown, yellow
Fluoro-riebeckiteuncommonmineral · Mohs 5-6blue, dark blue, blue-black
Fluoro-taramiteraremineral · Mohs 5-6black, dark green
Fluoro-tremoliteuncommonmineral · Mohs 5-6white, colorless, pale green- No imageFluorvesuvianiteraremineral · Mohs 6.5brown, yellow-brown, greenish-brown
Fogoite-(Y)raremineral · Mohs 5-6yellow, brown, colorless
Foorditeraremineral · Mohs 6-6.5black, brownish-black
Formanite-(Y)raremineral · Mohs 5.5-6.5yellow, brown, reddish-brown
Forsteritecommonmineral · Mohs 6.5-7green, yellow-green, colorless- No imageFort Payne Chertcommonmineral · Mohs 6.5-7white, gray, brown
Fossil Coralcommonfossil · Mohs 6.5-7white, tan, brown- No imageFossilized Coralcommonfossil · Mohs 6.5-7white, gray, brown
- No imageFossilized Fernscommonfossil · Mohs 3-6black, brown, gray
- No imageFossilized Horse Bonescommonfossil · Mohs 3-6brown, tan, white
- No imageFossilized Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Fossilscommonfossil · Mohs 3-7brown, gray, white
Fowleriteraremineral · Mohs 5.5-6.5pink, reddish-pink, brownish-pink
Franciscaniteraremineral · Mohs 5.5red, brownish-red, orange-red
Frankameniteraremineral · Mohs 5-6white, pale blue, pale yellow
Frankliniteuncommonmineral · Mohs 5.5-6.5black, brownish-black
Franziniteraremineral · Mohs 5-6colorless, white, pale blue
Fredrikssoniteraremineral · Mohs 6yellow, brown, orange-brown
Freudenbergiteraremineral · Mohs 5-6brown, black- No imageFriedrichbeckeiteraremineral · Mohs 6colorless, white
Fulguriteuncommonmineral · Mohs 6.5-7white, gray, tan
Gabbrocommonigneous · Mohs 6-7black, dark green, dark gray
Gadolinite-(Ce)raremineral · Mohs 6.5-7black, brownish-black, greenish-black
Gadolinite-(Y)raremineral · Mohs 6.5-7black, brownish-black, greenish-black- No imageGaluskiniteraremineral · Mohs 5-6colorless, white, pale yellow
Garnetcommonmineral · Mohs 6.5-7.5red, green, yellow
Garnet Schistcommonmetamorphic · Mohs 3-7gray, brown, silver
Garrelsiteraremineral · Mohs 5-6colorless, white, yellowish- No imageGatelite-(Ce)raremineral · Mohs 5.5brown, yellow-brown
Gaudefroyiteraremineral · Mohs 5.5-6black, brownish-black
Gedriteuncommonmineral · Mohs 5-6brown, gray, green
Gehleniteuncommonmineral · Mohs 5.5-6gray, yellowish-brown, white
Geikieliteraremineral · Mohs 5-6red, brownish-red, black- No imageGemstonesuncommongemstone · Mohs 1-10various
Genthelviteraremineral · Mohs 6-6.5pink, red, yellow
Georgbarsanoviteraremineral · Mohs 5-6yellow, brown
Gersdorffiteuncommonmineral · Mohs 5.5silver-white, steel-gray, blackish-gray
Gerstmanniteraremineral · Mohs 6pink, white- No imageGeversiteraremineral · Mohs 5.5white, silver-white
Giuseppettiteraremineral · Mohs 5-6colorless, white, pale yellow
Glaucochroiteraremineral · Mohs 6pink, pale brown, colorless
Glaucophanecommonmineral · Mohs 6blue, blue-gray, lavender
Gneisscommonmetamorphic · Mohs 5-7white, gray, pink
Goethitecommonmineral · Mohs 5-5.5yellowish-brown, reddish-brown, black- No imageGold Sulfidescommonmineral · Mohs 6-6.5pale brass-yellow
- No imageGold-laced Jadeuncommonmineral · Mohs 6-6.5white, green, yellow
- No imageGolden Jaspercommonmineral · Mohs 6.5-7yellow, gold, brown
Goldmaniteraremineral · Mohs 6.5-7dark green, brownish green, black
Golysheviteraremineral · Mohs 5-6pink, reddish-brown
Gorceixiteuncommonmineral · Mohs 4.5-5.5white, colorless, yellow
Gottlobiteraremineral · Mohs 5-5.5yellowish-brown, brown, dark brown
Götzeniteraremineral · Mohs 5-6yellow, colorless, white
Graeseriteraremineral · Mohs 5.5-6black
Gramaccioliite-(Y)raremineral · Mohs 5-6black- No imageGrandaiteraremineral · Mohs 6.5-7.5brown, reddish-brown
Granitecommonigneous · Mohs 6-7white, gray, pink
Granitic Pegmatitecommonigneous · Mohs 6-7white, pink, gray
Granodioritecommonigneous · Mohs 6-7gray, white, black
Grape Agatecommonmineral · Mohs 6.5-7purple, violet, lavender
Graphic Granitecommonigneous · Mohs 6-7white, gray, pink
Grattarolaiteraremineral · Mohs 6dark red, reddish-brown- No imageGray Agatecommonmineral · Mohs 6.5-7gray, gray, white
- No imageGreen Agatecommonmineral · Mohs 6.5-7green, light green, dark green
Green Amphibolecommonmineral · Mohs 5-6green, dark green, blackish green- No imageGreen Aventurinecommonmineral · Mohs 6.5-7green, light green, dark green
Green Garnetraregemstone · Mohs 6.5-7.5green, yellow-green, emerald-green
Green Hornblendecommonmineral · Mohs 5-6dark green, blackish green, brownish green
Greenschistcommonmetamorphic · Mohs 3-6green, dark green, light green- No imageGrenmariteraremineral · Mohs 5-6yellow, brown
Greywackecommonsedimentary · Mohs 6-7gray, dark gray, brownish gray- No imageGrigorieviteraremineral · Mohs 5-6black, dark brown
Grossiteraremineral · Mohs 6colorless, white- No imageGrossmaniteraremineral · Mohs 6-7dark green, black
Grossularcommonmineral · Mohs 6.5-7.5green, brown, yellow- No imageGrossular Garnetcommonmineral · Mohs 6.5-7.5green, yellow, orange
Grossularite Garnetcommonmineral · Mohs 6.5-7.5green, yellow, brown
Groutiteraremineral · Mohs 5.5black, dark brown
Gruneritecommonmineral · Mohs 5-6brown, greenish-brown, gray
Gudmunditeuncommonmineral · Mohs 6silver-white, steel-gray, creamy-white- No imageGuiteraremineral · Mohs 5-6black, brownish-black
Gupeiiteraremineral · Mohs 5-6steel-gray, silver-white- No imageHaggertyiteraremineral · Mohs 6black
Hainite-(Y)raremineral · Mohs 5-6yellow, brown, orange
Hancockiteraremineral · Mohs 6-7reddish-brown, brown, black- No imageHapkeiteraremineral · Mohs 5.5white, light gray
Harstigiteraremineral · Mohs 5.5white, colorless, pale pink
Hashemiteraremetamorphic · Mohs 5-6dark brown, black, reddish-brown
Hastingsiteuncommonmineral · Mohs 5-6black, dark green, dark brown
Hausmanniteuncommonmineral · Mohs 5-5.5black, brownish-black
Hauyneraremineral · Mohs 5.5-6blue, greenish-blue, yellow- Haüyneraremineral · Mohs 5.5-6blue, green, yellow
- No imageHawthorneiteraremineral · Mohs 6black
Haxoniteraremineral · Mohs 6white, silver-gray
Hedenbergitecommonmineral · Mohs 5.5-6dark green, black, brownish-green- No imageHeftetjerniteraremineral · Mohs 6brown, yellowish-brown, reddish-brown
Heideiteraremineral · Mohs 5-6black, dark gray- No imageHeliotrope Bauxitecommonmineral · Mohs 6.5-7dark green, red
Hellandite-(Ce)raremineral · Mohs 5.5brown, yellowish-brown, reddish-brown
Hellandite-(Y)raremineral · Mohs 5.5brown, yellowish-brown, reddish-brown
Helvineuncommonmineral · Mohs 6-6.5yellow, yellowish-brown, reddish-brown
Hematitecommonmineral · Mohs 5.5-6.5steel-gray, black, reddish-brown
Hemloiteraremineral · Mohs 6black
Hennomartiniteraremineral · Mohs 6-6.5pink, brown
Henritermieriteraremineral · Mohs 6brown, reddish-brown- No imageHenrymeyeriteraremineral · Mohs 6black
Herderiteraremineral · Mohs 5-5.5colorless, white, yellow- No imageHermannjahniteraremineral · Mohs 5-6deep green, black
Hetaeroliteuncommonmineral · Mohs 6black, dark brown- No imageHexacelsianraremineral · Mohs 6white, colorless, gray
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