Black rocks & minerals
Black rocks and minerals are usually rich in iron, manganese, or carbon. Hardness and luster — metallic, glassy, dull, or sub-metallic — make the biggest difference in identification.
Showing 601–720 of 1070 black rocks (page 6 of 9).
Magnesio-hornblendecommonmineral · Mohs 5-6dark green, brownish-green, black
Magnesiochloritoidraremineral · Mohs 6.5dark green, black, gray
Magnesiochromiteuncommonmineral · Mohs 5.5black, brownish-black- No imageMagnesiocoulsoniteraremineral · Mohs 5.5-6.5black
Magnesioferriteuncommonmineral · Mohs 6-6.5black- 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
Magnesiohulsiteraremineral · Mohs 3-4black, brownish-black
Magnesioneptuniteraremineral · Mohs 5-6black, dark red, brown- No imageMagnesionigerite-2N1Sraremineral · Mohs 8-9brown, reddish-brown, black
- No imageMagnesionigerite-6N6Sraremineral · Mohs 8-9brown, black, yellowish-brown
- No imageMagnesiovoltaiteraremineral · Mohs 2.5-3black, dark green, dark brown
Magnetitecommonmineral · Mohs 5.5-6.5black, iron-black
Magnetoplumbiteraremineral · Mohs 6black, dark gray
Mahogany Obsidiancommonmineral · Mohs 5-6red-brown, black- No imageMaikainiteraremineral · Mohs 3.5black, dark gray
- No imageMajindeiteraremineral · Mohs 3.5black
Majoriteraremineral · Mohs 7.5purple, violet, black
Makarochkiniteraremineral · Mohs 6-7dark brown, black
Mäkineniteraremineral · Mohs 2black, dark brown
Mammoth Toothcommonfossil · Mohs 2.5-3tan, brown, cream- No imageManaccanitecommonmineral · Mohs 5-6black, iron-black
Manganbabingtoniteraremineral · Mohs 5.5-6black, brownish-black
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
Manganitecommonmineral · Mohs 4dark gray, black, steel-gray
Mangano-ferri-eckermanniteraremineral · Mohs 5-6dark green, black, bluish green
Manganochromiteraremineral · Mohs 5.5black, brownish-black- No imageManganokaskasiteraremineral · Mohs 3-4black, dark brown
Manganoneptuniteraremineral · Mohs 5-6black, dark brown
Manganositeraremineral · Mohs 5-6emerald green, grass green, black
Manjiroiteraremineral · Mohs 6-6.5black, brownish black
Mannarditeraremineral · Mohs 3-4black, brownish-black
Maohokiteraremineral · Mohs 8-9dark green, black- No imageMapiquiroiteraremineral · Mohs 6black, dark brown
Marblecommonmetamorphic · Mohs 3-4white, gray, black- No imageMarkascheriteraremineral · Mohs 3.5dark brown, black, reddish-brown
Marokiteraremineral · Mohs 6.5black, dark brown
Marriteraremineral · Mohs 3dark gray, black- No imageMarrucciiteraremineral · Mohs 2lead-gray, black
Martitecommonmineral · Mohs 5.5-6.5black, dark gray- No imageMarumoiteraremineral · Mohs 3lead-gray, black
Mary Ellen Jaspercommonfossil · Mohs 6.5-7red, brown, black
Mastodon Toothuncommonfossil · Mohs 3-5brown, tan, black
Mathiasiteraremineral · Mohs 6-7black
Matilditeuncommonmineral · Mohs 2.5-3lead-gray, black- No imageMatrix Opalcommongemstone · Mohs 5.5-6.5multicolored, brown, black
- No imageMatsubaraiteraremineral · Mohs 5-6brown, black
- No imageMazzettiiteraremineral · Mohs 2.5-3black, gray
Mcconnelliteraremineral · Mohs 3dark gray, black- No imageMegalodon Teethcommonfossil · Mohs 3-5gray, black, brown
Megalodon Toothcommonfossil · Mohs 3-5black, gray, brown- No imageMelaconitecommonmineral · Mohs 3black, gray
- No imageMelanarsiteraremineral · Mohs 3.5deep red, dark brown, black
Melaniteuncommonmineral · Mohs 6.5-7black, dark brownish-black
Melanostibiteraremineral · Mohs 5.5-6black
Melanotekiteraremineral · Mohs 6.5black, brownish-black
Melanothalliteraremineral · Mohs 3black, dark blue
Melanovanaditeraremineral · Mohs 2.5black, dark brown- No imageMélonjosephiteraremineral · Mohs 3.5-4black, dark brown
- No imageMenchettiiteraremineral · Mohs 2lead-gray, black
- No imageMendeleevite-(Ce)raremineral · Mohs 5dark brown, black, reddish-brown
Meneghiniteraremineral · Mohs 2.5lead-gray, black- No imageMengeiteraremineral · Mohs 7.5black, brown
- No imageMenzerite-(Y)raremineral · Mohs 7-7.5brown, black
Mesosideriterareigneous · Mohs 5-6silver, gray, black
Metacinnabaruncommonmineral · Mohs 3black, gray, brownish-black
Meteoritesrareigneous · Mohs 5-8black, brown, gray- No imageMianningiteraremineral · Mohs 5-5.5black, brownish-black
Micacommonmineral · Mohs 2-3black, brown, silver- No imageMica Bookscommonmineral · Mohs 2.5-4black, brown, silver
Mica Schistcommonmetamorphic · Mohs 3-6silver, gray, black- No imageMiddendorfiteraremineral · Mohs 4dark brown, black
Migmatitecommonmetamorphic · Mohs 5-7black, white, gray- No imageMiharaiteraremineral · Mohs 4-5black, brownish-black
- No imageMogoviditeraremineral · Mohs 7black, brown
- No imageMojaveitecommonmineral · Mohs 6.5-7red, brown, tan
- No imageMontana Agatecommonmineral · Mohs 6.5-7yellow, orange, brown
Monteponiteraremineral · Mohs 3yellow, yellowish-brown, black
Montroseiteraremineral · Mohs 5.5black
Moqui Marblescommonmineral · Mohs 5.5-6.5brown, reddish-brown, black- No imageMorimotoiteraremineral · Mohs 6.5-7black, brownish black
- No imageMorozevicziteraremineral · Mohs 4black, iron-black
Mosasaur Toothcommonfossil · Mohs 3-5black, brown, tan
Mudstonecommonsedimentary · Mohs 2-3gray, brown, red- No imageMurataite-(Y)raremineral · Mohs 6yellow, brown, black
Murdochiteraremineral · Mohs 3.5-4black
Mylonitecommonmetamorphic · Mohs 5-7gray, black, white
Nagashimaliteraremineral · Mohs 4dark brown, black
Nagyágiteraremineral · Mohs 1-1.5black, lead-gray
Native Arsenicuncommonmineral · Mohs 3.5tin-white, light gray, black- No imageNative Seleniumraremineral · Mohs 2gray, red, black
- No imageNative Siliconraremineral · Mohs 7gray, blue-gray, black
Natroniobiteraremineral · Mohs 6yellow, brown, black
Nautiloidcommonfossilbrown, gray, white
Neltneriteraremineral · Mohs 6black, brownish-black
Neotociteuncommonmineral · Mohs 3-4black, dark brown, reddish-brown
Nephritecommonmineral · Mohs 6-6.5green, white, yellow
Nephrite Jadecommonmineral · Mohs 6-6.5green, white, yellow
Neptuniteraremineral · Mohs 5-6black, deep red
Neyiteraremineral · Mohs 2.5-3lead-gray, black
Nežiloviteraremineral · Mohs 6black, brown
Nickeltyrrelliteraremineral · Mohs 4.5-5dark gray, black- No imageNieriteraremineral · Mohs 9gray, black, blue
- No imageNikmelnikoviteraremineral · Mohs 6.5-7dark brown, black
- No imageNiningeriteraremineral · Mohs 3.5-4dark brown, black, gray
- No imageNixoniteraremineral · Mohs 4-4.5dark brown, black
Nodulescommonsedimentarygray, brown, black- No imageNoelbensoniteraremineral · Mohs 5-6dark brown, black
Novaculitecommonsedimentary · Mohs 7white, gray, black- No imageNovograblenoviteraremineral · Mohs 8black
Nowackiiteraremineral · Mohs 3-3.5black
Nsutiteuncommonmineral · Mohs 6-6.5dark gray, black
Nuummiteuncommonmetamorphic · Mohs 5.5-6black, dark gray- No imageOberthüriteraremineral · Mohs 3.5-4black, brown
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