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 721–840 of 912 black rocks (page 7 of 8).
- No imagePotassic-chloro-pargasiteraremineral · Mohs 5-6black, dark brown, dark green
- No imagePotassic-ferri-leakeiteraremineral · Mohs 6dark green, black, brownish-black
- No imagePotassic-ferro-ferri-sadanagaiteraremineral · Mohs 5-6black, dark brown, dark green
Potassic-ferro-ferri-taramiteraremineral · Mohs 5-6black, dark green
Potassic-ferro-pargasiteraremineral · Mohs 5-6black, dark green, brown- No imagePotassic-ferro-sadanagaiteraremineral · Mohs 6black, dark brown, dark green
- No imagePotassic-ferro-taramiteraremineral · Mohs 5-6black, dark green
Potassic-fluoro-hastingsiteraremineral · Mohs 5-6black, dark green, brownish black
Potassic-fluoro-pargasiteraremineral · Mohs 6dark green, brownish-green, black
Potassic-hastingsiteuncommonmineral · Mohs 5-6black, dark green- No imagePotassic-magnesio-fluoro-arfvedsoniteraremineral · Mohs 5-6black, dark green, dark blue
Potassic-magnesio-hastingsiteraremineral · Mohs 5-6black, dark green, dark brown
Potassic-mangani-leakeiteraremineral · Mohs 6dark green, black- No imagePotassic-pargasiteraremineral · Mohs 5-6dark green, black, brownish green
- No imagePotassic-sadanagaiteraremineral · Mohs 5-6black, dark brown, dark green
Povondraiteraremineral · Mohs ~7black
Poyarkoviteraremineral · Mohs 2-2.5dark red, red, black
Prideriteraremineral · Mohs 7black, reddish, reddish black
Protochabournéiteraremineral · Mohs 2.5black- No imageProxidecagoniteraremineral · Mohs 6-7gray, black
Pseudobrookiteuncommonmineral · Mohs 6brownish black, reddish brown, black
Pseudorutileuncommonmineral · Mohs 5.5black, brown, red- No imagePumpellyite-(Fe3+)uncommonmineral · Mohs 5.5-6green, brown, black
Pyrochloremineral · Mohs 5-5.5black, brown, chocolate brown
Pyroxenecommonmineral · Mohs 5-6black, dark green, brown
Qandiliteraremineral · Mohs ~7black- No imageQingsongiteraremineral · Mohs 9.5-10dark green, black, brownish
- No imageQitianlingiteraremineral · Mohs 5.5black
- No imageQuijarroiteraremineral · Mohs 3-3.5black
- No imageRaberiteraremineral · Mohs 2.5-3black
- No imageRadekškodaite-(La)raremineral · Mohs 6-7dark brown, black
Radioactive Mineraluncommonmineral · Mohs 1-6yellow, green, black
Ralphcannoniteraremineral · Mohs 2-2.5black
Rambergiteraremineral · Mohs 4brown, black
Ramsdelliteuncommonmineral · Mohs ~3black, iron black, steel gray
Ranciéiteuncommonmineral · Mohs 2.5-3black, violet brown, silver gray
Rasvumiteraremineral · Mohs 4-5steel gray, brownish black, gray
Rathite-IVraremineral · Mohs 3lead-gray, black
Red Cassiteriteraremineral · Mohs 6-7red, brown, black
Redledgeiteraremineral · Mohs 6.5yellow green, black
Reynoldsiteraremineral · Mohs 4.5dark orange-brown, black
Rhodonite Nodulecommonmineral · Mohs 5.5-6.5pink, red, brown- No imageRichetiteraremineral · Mohs 3.5black
Ricolitecommonmineral · Mohs 3-5green, yellow, black
Rilanditeraremineral · Mohs 2-3black
Rinmaniteraremineral · Mohs ~6black, very dark red
Robertsiteraremineral · Mohs 3.5black, blood red, brownish black
Rockbridgeiteuncommonmineral · Mohs 3.5-4.5green, dark olive green, black- No imageRomarchiteraremineral · Mohs 2-2.5black
- No imageRossovskyiteraremineral · Mohs 6black
Routhieriteraremineral · Mohs 3.5violet red, black
Rouxeliteraremineral · Mohs 2black- No imageRudashevskyiteraremineral · Mohs 4black
Sadanagaiteraremineral · Mohs ~6black, dark brown- No imageSaddlebackiteraremineral · Mohs 4.5-5gray, black
Sailaufiteraremineral · Mohs ~3.5dark red brown, black
Samarskite-(Y)raremineral · Mohs 5-6black, brownish, yellowish brown
Samarskite-(Yb)raremineral · Mohs 5-6black- No imageSamsoniteraremineral · Mohs 2.5black, steel black
Santafeiteraremineral · Mohs 3black- No imageSchlemaiteraremineral · Mohs 3black, silvery gray
Schneiderhöhniteraremineral · Mohs ~3brown, black
Schubneliteraremineral · Mohs 2-3black, yellowish, greenish brown- No imageSelenopolybasiteraremineral · Mohs 3-3.5black
Seligmanniteraremineral · Mohs 2.5-3lead gray, dark lead gray, black
Semseyiteuncommonmineral · Mohs 2.5black, gray
Senaiteuncommonmineral · Mohs >6black- No imageSenandoriteraremineral · Mohs 3-4gray, dark gray, black
- No imageShuangfengiteraremineral · Mohs 3black
Siderophylliteuncommonmineral · Mohs 2.5-3black, blue green, dark brown
Silicified Cycad Wooduncommonfossil · Mohs 6.5-7brown, tan, white
Silicified Fossilcommonfossil · Mohs 6.5-7brown, red, yellow
Silicified Palm Woodcommonfossil · Mohs 6.5-7brown, tan, black
Silicified Pine Coneuncommonfossil · Mohs 6.5-7brown, tan, gray- No imageSimplotiteraremineral · Mohs ~1black, greenish black, dark green
Sorbyiteraremineral · Mohs 3.5-4lead gray, black
Spaltiiteraremineral · Mohs 2.5-3lead-gray, black
Spherulitic Chertcommonmineral · Mohs 6.5-7white, gray, tan- No imageSpionkopiteraremineral · Mohs 2.5-3black, blue
- No imageSpiridonoviteraremineral · Mohs 3.5black
- No imageSpringcreekiteraremineral · Mohs 4-5black
- No imageSpryiteraremineral · Mohs 2.5-3black
- No imageSrebrodolskiteraremineral · Mohs 5.5brown red, black
- No imageSrilankiteraremineral · Mohs ~6.5black
Stalderiteraremineral · Mohs 3.5-4black, reddish black, bluish black- No imageStanĕkiteraremineral · Mohs 4-5black
- No imageStavelotite-(La)raremineral · Mohs 5black
Steenstrupine-(Ce)raremineral · Mohs 4-5brown red, dark brown, black
Stephaniteuncommonmineral · Mohs 2-2.5lead gray, black
Sterryiteraremineral · Mohs ~3.5black
Stetefeldtiteraremineral · Mohs 3.5-4.5brown, black, yellowish
Stilpnomelanecommonmineral · Mohs 3-4black, brown red, green
Stoiberiteraremineral · Mohs 3black, reddish brown- No imageStrakhoviteraremineral · Mohs 5-6black, greenish black, dark olive green
- No imageStrontiomelaneraremineral · Mohs 4-4.5black
Synadelphiteraremineral · Mohs 4.5colorless, red, reddish brown- No imageSzymańskiiteraremineral · Mohs 3blue gray, blue green, black
- No imageTabbyiteuncommonmineral · Mohs 2-3black, brown
Takaneliteraremineral · Mohs 2.5-3black, brownish gray, steel gray
Takéuchiiteraremineral · Mohs ~6black
Tantalaeschynite-(Y)raremineral · Mohs 5.5-6black, brownish black
Tantaliteuncommonmineral · Mohs 6black, brownish-black, reddish-brown
Tantalite-(Fe)uncommonmineral · Mohs 6-6.5black, brownish black- No imageTantalite-(Mg)raremineral · Mohs 5.5black
Tantalite-(Mn)uncommonmineral · Mohs 6-6.5black, brown
Tapiolite-(Fe)raremineral · Mohs 6black, brownish black
Taramiteraremineral · Mohs 5-6black, blue green- No imageTarkianiteraremineral · Mohs 5.5-6black
- No imageTedhadleyiteraremineral · Mohs <3very dark red, black
Tennantitemineral · Mohs 3-4.5flint gray, steel gray, iron black
Tenoritecommonmineral · Mohs 3.5black, steel gray
Teredo Petrified Woodcommonfossil · Mohs 6.5-7brown, tan, gray
Terrywallaceiteraremineral · Mohs ~4black- No imageThalcusiteraremineral · Mohs 2.5-3bronze, black
Thoriumraremineral · Mohs 6.5-7lead-gray, black, brown
Thorogummiteraremineral · Mohs 5.5brown, greenish gray, buff- No imageThorosteenstrupineraremineral · Mohs ~4dark brown, black, black brown
Thortveititeraremineral · Mohs 6-7grayish green, brown, grayish black- No imageThorutiteraremineral · Mohs 5-6black, dark brown
Tiemanniteraremineral · Mohs 2.5gray, reddish brown, black
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