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 121–240 of 912 black rocks (page 2 of 8).
Marblecommonmetamorphic · Mohs 3-4white, gray, black
Mary Ellen Jaspercommonfossil · Mohs 6.5-7red, brown, black
Mastodon Toothuncommonfossil · Mohs 3-5brown, tan, black
Matrix Opalcommongemstone · Mohs 5.5-6.5multicolored, brown, black
Megalodon Toothcommonfossil · Mohs 3-5black, gray, brown
Mesosideriterareigneous · Mohs 5-6silver, gray, black
Meteoriterareigneous · Mohs 5-8black, brown, gray
Mica Schistcommonmetamorphic · Mohs 3-6silver, gray, black
Migmatitecommonmetamorphic · Mohs 5-7black, white, gray
Molybdenitecommonmineral · Mohs 1-1.5lead-gray, bluish-gray, black
Moqui Marblescommonmineral · Mohs 5.5-6.5brown, reddish-brown, black
Mosasaur Toothcommonfossil · Mohs 3-5black, brown, tan
Mudstonecommonsedimentary · Mohs 2-3gray, brown, red
Mylonitecommonmetamorphic · Mohs 5-7gray, black, white
Native Arsenicuncommonmineral · Mohs 3.5tin-white, light gray, black
Nautiloidcommonfossilbrown, gray, white
Nephritecommonmineral · Mohs 6-6.5green, white, yellow
Nephrite Jadecommonmineral · Mohs 6-6.5green, white, yellow
Nuummiteuncommonmetamorphic · Mohs 5.5-6black, dark gray
Obsidiancommonigneous · Mohs 5-6black, dark green, mahogany
Obsidian Nodulecommonmineral · Mohs 5-5.5black, brown, gray
Onyxcommonmineral · Mohs 6.5-7black, white, banded
Opalcommonmineral · Mohs 5.5-6white, black, colorless
Opalized Woodcommonfossil · Mohs 5.5-6.5brown, red, yellow
Orthocerascommonfossil · Mohs 3-4black, brown, gray
Pallasiterareigneous · Mohs 5-6yellow, green, brown
Petrified Cycaduncommonfossil · Mohs 6.5-7brown, tan, black
Petrified Dinosaur Boneuncommonfossil · Mohs 6.5-7red, brown, yellow
Petrified Palmcommonfossil · Mohs 6.5-7brown, tan, black
Petrified Palm Woodcommonfossil · Mohs 6.5-7tan, brown, black
Petrified Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Phacopscommonfossil · Mohs 3-5brown, gray, black
Philippinitecommonmineral · Mohs 5.5-6.5black, dark brown
Phyllitecommonmetamorphic · Mohs 1-2silvery-gray, greenish-gray, black
Picture Jaspercommonmineral · Mohs 6.5-7brown, tan, cream
Plant Fossilcommonfossilbrown, black, gray
Poppy Jaspercommonmineral · Mohs 6.5-7red, yellow, brown
Precious Opalraregemstone · Mohs 5.5-6.5white, black, blue
Psilomelanecommonmineral · Mohs 5-6black, bluish-black, gray
Pyrargyriteuncommonmineral · Mohs 2.5dark red, grayish red, black
Pyrolusitecommonmineral · Mohs 2-6.5black, bluish-black, dark gray
Pyroxenitecommonigneous · Mohs 5-7dark green, brown, black
Quartzcommonmineral · Mohs 7colorless, white, gray
Rainbow Obsidiancommonmineral · Mohs 5-5.5black, iridescent
Rhodonitecommonmineral · Mohs 5.5-6.5rose-pin k, brownish red, gray
Riebeckitecommonmineral · Mohs 6dark blue, black, blue-green
Romanèchitecommonmineral · Mohs 5-6black, gray, grayish black
Rutilecommonmineral · Mohs 6-6.5reddish-brown, red, black
Schistcommonmetamorphic · Mohs 3-6silver, gray, black
Schorlcommonmineral · Mohs 7black, brownish black, greenish black
Scoriacommonigneous · Mohs 5-6black, dark gray, reddish brown
Serpentinecommonmineral · Mohs 2.5-5.5green, yellow, brown
Serpentinitecommonmetamorphic · Mohs 2.5-5.5green, yellow-green, black
Shalecommonsedimentary · Mohs 2-3gray, black, red
Shark Toothcommonfossil · Mohs 3-5black, brown, gray
Sheen Obsidiancommonmineral · Mohs 5-6black, gold, silver
Silicified Algaecommonfossil · Mohs 6.5-7tan, brown, gray
Silicified Dinosaur Boneuncommonfossil · Mohs 6.5-7red, brown, black
Silicified Ferncommonfossil · Mohs 6.5-7brown, black, gray
Silicified Lignitecommonfossil · Mohs 6.5-7brown, black, gray
Silicified Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Silveruncommonmineral · Mohs 2.5-3silver-white, gray, black
Skarncommonmetamorphic · Mohs 5-7green, brown, black
Slatecommonmetamorphic · Mohs 2.5-4gray, black, green
Smoky Quartzcommonmineral · Mohs 7brown, gray, black
Snowflake Obsidiancommonmineral · Mohs 5-5.5black, white
Sphaleritecommonmineral · Mohs 3.5-4yellow, brown, black
Spheneuncommongemstone · Mohs 5-5.5yellow, green, brown
Spinelcommonmineral · Mohs 7.5-8red, blue, green
Star Garnetuncommonmineral · Mohs 7-7.5reddish-brown, dark red, black
Star Sapphireraregemstone · Mohs 9blue, gray, violet
Stibnitecommonmineral · Mohs 2lead-gray, steel-gray, blackish-gray
Stony Meteoriterareigneous · Mohs 5-7gray, brown, black
Tabulate Coralcommonfossil · Mohs 5-7tan, brown, gray
Tektiteuncommonigneous · Mohs 5.5-6.5black, brown, olive green
Tetrahedritecommonmineral · Mohs 3-4.5steel-gray, iron-black, black
Titaniteuncommonmineral · Mohs 5-5.5yellow, brown, green
Tourmalinecommonmineral · Mohs 7-7.5black, green, pink
Trilobitecommonfossilbrown, gray, black
Uraniniteuncommonmineral · Mohs 5-6black, brownish-black, gray
Uviteuncommonmineral · Mohs 7.5brown, green, yellow
Vesicular Basaltcommonigneous · Mohs 5-6black, dark gray, brownish-gray
Wonderstonecommonsedimentary · Mohs 6.5-7red, yellow, brown
Wood Opalcommonfossil · Mohs 5.5-6.5brown, tan, gray
Wyoming Jadeuncommonmineral · Mohs 6-6.5green, black, olive
Abswurmbachiteraremineral · Mohs 6.5black, dark brown- No imageAchalaiteraremineral · Mohs 5.5black
Aegirine-augitecommonmineral · Mohs 6black, dark green, green
Aenigmatiteuncommonmineral · Mohs 5.5black, brown
Aeschynite-(Ce)raremineral · Mohs 5-6black, brown, brownish black
Aeschynite-(Y)raremineral · Mohs 5-6black, brownish black, brown- No imageAgatized Fern Buduncommonfossil · Mohs 6.5-7brown, tan, gray
- No imageAgatized Limb Castuncommonfossil · Mohs 6.5-7brown, red, yellow
Agatized Palm Woodcommonfossil · Mohs 6.5-7brown, tan, gray
Aguilariteraremineral · Mohs 2.5gray, iron gray, black- No imageAkaogiiteraremineral · Mohs 6black, brown
- No imageAkhtenskiteraremineral · Mohs 2-3black, gray
Alabanditeuncommonmineral · Mohs 3.5-4black, lead gray, brownish gray- No imageAlbertiteraremineral · Mohs 1-2black
- No imageAlburniteraremineral · Mohs 4black, dark gray
- No imageAleutiteraremineral · Mohs 2dark green, black
Allaniteuncommonmineral · Mohs 5.5-6black, brown, reddish-brown
Allanite-(Ce)uncommonmineral · Mohs 5.5-6black, brown, reddish brown
Allanite-(La)raremineral · Mohs 6black, brown
Allanite-(Nd)raremineral · Mohs 6black, brownish black- No imageAllanite-(Y)raremineral · Mohs 5.5black, brown
Alluauditeuncommonmineral · Mohs 5-5.5yellow, brownish yellow, green
Almeidaiteraremineral · Mohs 6black
Alvaniteraremineral · Mohs 3-3.5bluish green, blue black, black- No imageAmmoniovoltaiteraremineral · Mohs 3-3.5black
Amphibolecommonmineral · Mohs 5-6black, dark green, brown- No imageAnanditeraremineral · Mohs 3-4black
Andradite Garnetcommonmineral · Mohs 6.5-7.5brown, green, yellow
Annitecommonmineral · Mohs 2.5-3black, reddish brown
Antleriteuncommonmineral · Mohs 3.5emerald green, green, light green
Apuaniteraremineral · Mohs 4-5black
Ardennite-(As)raremineral · Mohs 6-7yellow brown, yellow, dark brown
Arfvedsoniteuncommonmineral · Mohs 5-6black, grayish green, bluish gray
Argentobaumhaueriteraremineral · Mohs 3lead-gray, black
Argyroditeraremineral · Mohs 2.5-3black, steel gray
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