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 1041 black rocks (page 6 of 9).
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- 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
Manganoneptuniteraremineral · Mohs 5-6black, dark brown
Manganositeraremineral · Mohs 5-6emerald green, grass green, black
Manjiroiteraremineral · Mohs 6-6.5black, brownish black
Mannarditeraremineral · Mohs 5.5-7black, brownish-black- No imageMaohokiteraremineral · Mohs 8-9dark green, black
- No imageMaoniupingite-(Ce)raremineral · Mohs 4-4.5black
- No imageMapiquiroiteraremineral · Mohs 6black, dark brown
Marblecommonmetamorphic · Mohs 3-4white, gray, black- No imageMarcobaldiiteraremineral · Mohs 3black
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
Matrix Opalcommongemstone · Mohs 5.5-6.5multicolored, brown, black- No imageMazzettiiteraremineral · Mohs 2.5-3black, gray
Mcbirneyiteraremineral · Mohs 2.5-3black- No imageMeerschautitecommonmineral · Mohs 2lead-gray, black
Megalodon Toothcommonfossil · Mohs 3-5black, gray, brown
Melaconitecommonmineral · 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
Meneghiniteuncommonmineral · Mohs 2.5lead-gray, black- No imageMenzerite-(Y)raremineral · Mohs 7-7.5brown, black
Mesosideriterareigneous · Mohs 5-6silver, gray, black
Metacinnabaruncommonmineral · Mohs 3black, gray, brownish-black
Meteoriterareigneous · Mohs 5-8black, brown, gray- No imageMianningiteraremineral · Mohs 5-5.5black, brownish-black
Micacommonmineral · Mohs 2-3black, brown, silver
Mica Bookcommonmineral · Mohs 2.5-4black, brown, silver
Mica Schistcommonmetamorphic · Mohs 3-6silver, gray, black- No imageMiessiiteraremineral · Mohs 2black
Migmatitecommonmetamorphic · Mohs 5-7black, white, gray- No imageMiharaiteraremineral · Mohs 4-5black, brownish-black
- No imageMogoviditeraremineral · Mohs 5.5black, brown
Montana Agatecommonmineral · Mohs 6.5-7yellow, orange, brown- No imageMonteneveiteraremineral · Mohs 7black
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
Mosasaur Toothcommonfossil · Mohs 3-5black, brown, tan
Mudstonecommonsedimentary · Mohs 2-3gray, brown, red- No imageMukhiniteraremineral · Mohs 6-7black, reddish brown, brown
- No imageMurataite-(Y)raremineral · Mohs 6yellow, brown, black
Murdochiteraremineral · Mohs 3.5-4black
Mylonitecommonmetamorphic · Mohs 5-7gray, black, white
Nagashimaliteraremineral · Mohs 4dark brown, black
Nagyágiteuncommonmineral · 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 imageNikmelnikoviteraremineral · Mohs 6.5-7dark brown, black
- No imageNiningeriteraremineral · Mohs 3.5-4dark brown, black, gray
- No imageNixoniteraremineral · Mohs 4-4.5dark brown, black
Nodulecommonsedimentarygray, brown, black- No imageNoelbensoniteraremineral · Mohs 5-6dark brown, black
Novaculitecommonsedimentary · Mohs 7white, gray, black
Nowackiiteraremineral · Mohs 3-3.5black
Nsutiteuncommonmineral · Mohs 8.5dark gray, black
Nuummiteuncommonmetamorphic · Mohs 5.5-6black, dark gray
Obsidiancommonigneous · Mohs 5-6black, dark green, mahogany
Obsidian Nodulecommonmineral · Mohs 5-5.5black, brown, gray- No imageOgnititeraremineral · Mohs 3.5-4black
- No imageOlkhonskiteraremineral · Mohs 2-3black
Olmsteaditeraremineral · Mohs 3-4dark brown, black- No imageOmariniiteraremineral · Mohs 3.5black, dark gray
Onyxcommonmineral · Mohs 6.5-7black, white, banded
Opalcommonmineral · Mohs 5.5-6.5white, black, colorless
Opalized Woodcommonfossil · Mohs 5.5-6.5brown, red, yellow- No imageOrthobranneriteraremineral · Mohs 4-5black, brownish-black
Orthocerascommonfossil · Mohs 3-4black, brown, gray
Orthopinakioliteraremineral · Mohs 6black, brownish-black- No imageOscarkempffiteraremineral · Mohs 2.5-3lead-gray, black
Ottréliteuncommonmineral · Mohs 6.5dark gray, dark green, black
Oxo-magnesio-hastingsiteraremineral · Mohs 5-6black, dark green, brown- No imageOxy-draviteraremineral · Mohs 7dark brown, reddish-brown, black
- No imageOxy-schorlraremineral · Mohs 7black, brownish-black
Oxy-vanadium-draviteraremineral · Mohs 7dark brown, black, dark yellow-brown
Oxycalciopyrochloreraremineral · Mohs 5-5.5brown, yellowish-brown, black- No imageOxyvaniteraremineral · Mohs 7-7.5black
Oyoniteraremineral · Mohs 3-3.5black
Ozokeriteuncommonmineral · Mohs 1yellow, brown, black
Padĕraiteraremineral · Mohs 2.5steel-gray, brown, black
Pallasiterareigneous · Mohs 5-6yellow, green, brown- No imagePanguiteraremineraldeep reddish-brown, black
Papikeiteraremineral · Mohs 5-6black, dark brown
Paramelaconiteraremineral · Mohs 4.5black, brownish-black
Paramontroseiteraremineral · Mohs 4-5black
Parapierrotiteraremineral · Mohs 2black
Identify your find on the go
Open RockHoundR to look up rock properties offline and find more like this near you.
