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 841–960 of 1497 rocks (page 8 of 13).
- No imageMagnesiohögbomite-2N2Sraremineral · Mohs 6-7brown, reddish-brown, black
- No imageMagnesiohögbomite-2N3Sraremineral · Mohs 6-7dark brown, black, reddish-brown
- No imageMagnesiohögbomite-2N4Sraremineral · Mohs 6-7dark brown, black, reddish-brown
- No imageMagnesiohögbomite-6N6Sraremineral · Mohs 6brown, dark brown, reddish brown
Magnesioneptuniteraremineral · Mohs 5-6black, dark red, brown- No imageMagnesiorowlandite-(Y)raremineral · Mohs 5-5.5yellow, brown, greenish
- No imageMagnesiovesuvianiteraremineral · Mohs 6.5brown, green, yellow
Magnetitecommonmineral · Mohs 5.5-6.5black, iron-black
Magnetoplumbiteraremineral · Mohs 6black, dark gray
Mahogany Obsidiancommonmineral · Mohs 5-6red-brown, black
Makarochkiniteraremineral · Mohs 6-7dark brown, black
Malaniteraremineral · Mohs 5-6gray, white
Malayaiteraremineral · Mohs 5-6yellow, brown, greenish yellow- No imageMaleeviteraremineral · Mohs 6.5-7colorless, white, pale yellow
Mali Garnetuncommongemstone · Mohs 6.5-7.5yellow, green, brown- No imageManaccanitecommonmineral · Mohs 5-6black, iron-black
- No imageManaevite-(Ce)raremineral · Mohs 6-7brown, dark brown
Manaksiteraremineral · Mohs 5-6pink, reddish-pink
Manganbabingtoniteraremineral · Mohs 5.5-6black, brownish-black
Manganhumiteraremineral · Mohs 6-6.5yellow, yellowish-brown, brown- No imageMangani-dellaventuraiteraremineral · Mohs 6dark brown, reddish-brown
- No imageMangani-obertiiteraremineral · Mohs 5-6dark brown, reddish brown
Mangani-pargasiteraremineral · Mohs 5-6dark green, black, brownish-black
Manganiakasakaite-(La)raremineral · Mohs 6-7black, brownish-black- No imageManganiandrosite-(Ce)raremineral · Mohs 6-6.5brown, black
- No imageManganiandrosite-(La)raremineral · Mohs 6-7black, brownish-black
- No imageManganilvaiteraremineral · Mohs 5.5-6black, brownish-black
Mangano-ferri-eckermanniteraremineral · Mohs 5-6dark green, black, bluish green
Mangano-mangani-ungarettiiteraremineral · Mohs 6dark brown, reddish-brown
Manganochromiteraremineral · Mohs 5.5black, brownish-black
Manganoeudialyteraremineral · Mohs 5-6pink, red, magenta
Manganokhomyakoviteraremineral · Mohs 5-6brown, reddish-brown, yellowish-brown
Manganoneptuniteraremineral · Mohs 5-6black, dark brown
Manganonordite-(Ce)raremineral · Mohs 5-5.5colorless, white, yellowish
Manganositeraremineral · Mohs 5-6emerald green, grass green, black
Manganvesuvianiteraremineral · Mohs 6.5red, pink, brown
Manjiroiteraremineral · Mohs 6-6.5black, brownish black- No imageMapiquiroiteraremineral · Mohs 6black, dark brown
Marcasitecommonmineral · Mohs 6-6.5pale brass-yellow, tin-white, gray
Marialiteuncommonmineral · Mohs 5.5-6colorless, white, gray
Marinelliteraremineral · Mohs 5-6white, colorless
Marokiteraremineral · Mohs 6.5black, dark brown
Marsturiteraremineral · Mohs 5.5-6pink, brownish-pink
Martiniteraremineral · Mohs 6colorless, white, pale yellow
Martitecommonmineral · Mohs 5.5-6.5black, dark gray
Mary Ellen Jaspercommonfossil · Mohs 6.5-7red, brown, black
Mathiasiteraremineral · Mohs 6-7black- No imageMatrix Opalcommongemstone · Mohs 5.5-6.5multicolored, brown, black
- No imageMatsubaraiteraremineral · Mohs 5-6brown, black
Mcgilliteraremineral · Mohs 5-6reddish-brown, pinkish-red
Medaiteraremineral · Mohs 5-6pink, reddish-pink- No imageMegakalsiliteraremineral · Mohs 6colorless, white
Meioniteuncommonmineral · Mohs 5.5-6white, colorless, yellow
Melaniteuncommonmineral · Mohs 6.5-7black, dark brownish-black
Melanocerite-(Ce)raremineral · Mohs 5-6brown, reddish-brown, dark red
Melanophlogiteraremineral · Mohs 6-6.5colorless, white, yellow
Melanostibiteraremineral · Mohs 5.5-6black
Melanotekiteraremineral · Mohs 6.5black, brownish-black
Meliphaniteraremineral · Mohs 5-5.5yellow, yellowish-white, brown- No imageMelliniiteraremineral · Mohs 5-6white, gray
- No imageMendeleevite-(Nd)raremineral · Mohs 5-6brown, yellow-brown, reddish-brown
- No imageMerrihueiteraremineral · Mohs 5-6blue, blue-green, green
Merwiniteraremineral · Mohs 6colorless, white, pale green
Mesosideriterareigneous · Mohs 5-6silver, gray, black
Meteoritesrareigneous · Mohs 5-8black, brown, gray
Mexican Lace Agatecommonmineral · Mohs 6.5-7white, red, orange
Mexican Opaluncommongemstone · Mohs 5.5-6.5orange, red, yellow- No imageMianningiteraremineral · Mohs 5-5.5black, brownish-black
Mica Schistcommonmetamorphic · Mohs 3-6silver, gray, black
Microclinecommonmineral · Mohs 6white, gray, yellow
Microsommiteraremineral · Mohs 6colorless, white, yellow
Mieite-(Y)raremineral · Mohs 5-6yellow, yellow-brown, brown
Migmatitecommonmetamorphic · Mohs 5-7black, white, gray
Milanriederiteraremineral · Mohs 6.5yellow, brown
Milariteraremineral · Mohs 5.5-6colorless, white, yellowish
Miseriteraremineral · Mohs 5-6pink, rose-red, brownish-pink
Mogániteuncommonmineral · Mohs 6gray, white, colorless- No imageMojaveitecommonmineral · Mohs 6.5-7red, brown, tan
Moldaviteraremineral · Mohs 5.5bottle green, olive green, brownish green
Monazitecommonmineral · Mohs 5-5.5reddish-brown, yellowish-brown, brown
Monazite-(Ce)commonmineral · Mohs 5-5.5reddish-brown, brown, yellowish-brown
Monazite-(La)uncommonmineral · Mohs 5-5.5yellowish-brown, reddish-brown, brown- No imageMonazite-(Nd)raremineral · Mohs 5-5.5reddish-brown, brown, yellowish-brown
- No imageMonazite-(Sm)raremineral · Mohs 5-5.5yellow, brown, reddish-brown
Monimoliteraremineral · Mohs 5-6yellow, yellowish-brown, greenish-yellow- No imageMontana Agatecommonmineral · Mohs 6.5-7yellow, orange, brown
Montana Moss Agatecommonmineral · Mohs 6.5-7clear, white, gray
Montebrasiteuncommonmineral · Mohs 5.5-6white, colorless, yellow
Montroseiteraremineral · Mohs 5.5black
Monzonitecommonigneous · Mohs 6-7gray, light gray, pinkish gray- No imageMookaitecommonmineral · Mohs 6.5-7red, yellow, cream
Moonstonecommongemstone · Mohs 6white, colorless, blue
Moqui Marblescommonmineral · Mohs 5.5-6.5brown, reddish-brown, black- No imageMorimotoiteraremineral · Mohs 6.5-7black, brownish black
Morrisonitecommonmineral · Mohs 6.5-7pink, tan, orange- No imageMoskvinite-(Y)raremineral · Mohs 5-6colorless, white, pale yellow
Moss Agatecommonmineral · Mohs 6.5-7white, green, brown- No imageMoss Opalcommonmineral · Mohs 5.5-6.5white, clear, green
Mottanaite-(Ce)raremineral · Mohs 5.5brown, reddish-brown
Mozarkitecommonmineral · Mohs 6.5-7red, pink, white
Mozartiteraremineral · Mohs 6-6.5red, brown, orange
Mtoroliteuncommonmineral · Mohs 6.5-7apple green, dark green- No imageMukhiniteraremineral · Mohs 6-7dark green, brownish green
Mulliteuncommonmineral · Mohs 6-7white, gray, colorless- No imageMurashkoiteraremineral · Mohs 5-6silver-white, gray
- No imageMurataite-(Y)raremineral · Mohs 6yellow, brown, black
Mylonitecommonmetamorphic · Mohs 5-7gray, black, white
Namansiliteraremineral · Mohs 6dark brown, reddish brown- No imageNambuliteraremineral · Mohs 6red, reddish-brown, orange-red
Natalyiteraremineral · Mohs 6-7emerald-green
Native Iridiumraremineral · Mohs 6.5silver-white, tin-white, gray- No imageNative Rhodiumraremineral · Mohs 6silver-white, grayish-white
- No imageNative Rutheniumraremineral · Mohs 6.5white, silver-white, gray
- No imageNative Titaniumraremineral · Mohs 6white, silver-gray
Natrolitecommonmineral · Mohs 5-5.5white, colorless, gray- No imageNatronambuliteraremineral · Mohs 5.5-6red, brownish-red, orange-red
Natroniobiteraremineral · Mohs 6yellow, brown, black- No imageNatropalermoiteraremineral · Mohs 5-5.5colorless, white
- No imageNatrotantiteraremineral · Mohs 5-6yellow, pale yellow, colorless
- No imageNatrotitaniteraremineral · Mohs 5-5.5yellow, brown, greenish-yellow
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