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 841–960 of 1070 black rocks (page 8 of 9).
- No imageRadekškodaite-(La)raremineral · Mohs 6-7dark brown, black
- No imageRadioactive Mineralsuncommonmineral · Mohs 1-6yellow, green, black
Raguiniteraremineral · Mohs 2dark gray, black
Rainbow Obsidiancommonmineral · Mohs 5-5.5black, iridescent
Ralphcannoniteraremineral · Mohs 3.5steel-gray, black
Ramsdelliteuncommonmineral · Mohs 3black, gray
Ranciéiteuncommonmineral · Mohs 1.5-2.5black, brownish black
Rasvumiteraremineral · Mohs 3black, dark brown
Rathiteraremineral · Mohs 3lead-gray, black
Rathite-IVraremineral · Mohs 3lead-gray, black
Rayiteraremineral · Mohs 3dark gray, lead-gray, black
Red Cassiteriteraremineral · Mohs 6-7red, brown, black
Redledgeiteraremineral · Mohs 6-7red, brown, black- No imageRengeiteraremineral · Mohs 5-6dark brown, black
Rheniiteraremineral · Mohs 1.5-2black, gray
Rhodonitecommonmineral · Mohs 5.5-6.5pink, reddish-pink, brown- No imageRhodonite Nodulescommonmineral · Mohs 5.5-6.5pink, red, brown
Rhodostanniteraremineral · Mohs 4black, gray
Rhöniteraremineral · Mohs 5.5-6black, brown, dark brown- No imageRichetiteraremineral · Mohs 3black, brownish-black
- No imageRicolitecommonmineral · Mohs 3-5green, yellow, black
Riebeckitecommonmineral · Mohs 5-6dark blue, black, blue-green
Rockbridgeiteuncommonmineral · Mohs 4.5dark green, brown, black
Romanèchitecommonmineral · Mohs 5-6black, gray- No imageRomarchiteraremineral · Mohs 2black, dark brown, reddish-brown
Roshchiniteraremineral · Mohs 2.5black, dark gray- No imageRossovskyiteraremineral · Mohs 6-6.5black, brownish black
- No imageRoumaiteraremineral · Mohs 5-6black, brown
Routhieriteraremineral · Mohs 3deep red, black
Roxbyiteraremineral · Mohs 2.5-3dark gray, black
Rutilecommonmineral · Mohs 6-6.5reddish-brown, red, black
Sadanagaiteraremineral · Mohs 5-6black, dark brown, dark green- No imageSakuraiiteraremineral · Mohs 3.5-4gray, black
Samarskite-(Y)raremineral · Mohs 5-6black, brownish-black
Samarskite-(Yb)raremineral · Mohs 5-6black, brownish-black
Samsoniteraremineral · Mohs 3.5dark gray, black
Santafeiteraremineral · Mohs 3black, brownish-black
Scainiiteraremineral · Mohs 2lead-gray, black- No imageScandiobabingtoniteraremineral · Mohs 5.5-6black, greenish black
Schistcommonmetamorphic · Mohs 3-6silver, gray, black
Schneiderhöhniteraremineral · Mohs 3.5dark brown, black
Schorlcommonmineral · Mohs 7-7.5black
Schorlomiteraremineral · Mohs 7-7.5black
Schreyeriteraremineral · Mohs 6-7black, brownish-black
Scoriacommonigneous · Mohs 5-6black, dark gray, reddish brown
Scottyiteraremineral · Mohs 3-4dark brown, black
Scrutinyiteraremineral · Mohs 4-5black, dark brown- No imageSelenojalpaiteraremineral · Mohs 2.5black, gray
- No imageSelenopolybasiteraremineral · Mohs 2.5-3black, iron-black
- No imageSelenostephaniteraremineral · Mohs 2-2.5black, iron-black
Seligmanniteraremineral · Mohs 3lead-gray, black
Semenovite-(Ce)raremineral · Mohs 3-4yellow, yellow-brown, brown
Senaiteraremineral · Mohs 6black- No imageSenandoriteraremineral · Mohs 3-4gray, dark gray, black
Serendibiteraremineral · Mohs 6.5-7blue, blue-green, black
Serpentinecommonmineral · Mohs 2.5-5.5green, yellow, brown
Serpentinitecommonmetamorphic · Mohs 2.5-5.5green, yellow-green, black
Shalecommonsedimentary · Mohs 2-3gray, black, red
Shark Teethcommonfossil · Mohs 3-5black, brown, gray
Sharyginiteraremineral · Mohs 5-6black, brown
Sheen Obsidiancommonmineral · Mohs 5-6black, gold, silver- No imageShulamititeraremineral · Mohs 5-6black, brown
Siderazotraremineral · Mohs 3-4black, gray
Siderophylliteuncommonmineral · Mohs 2.5-3black, brown, dark brown
Silicified Algaecommonfossil · Mohs 6.5-7tan, brown, gray- No imageSilicified Cycad Wooduncommonfossil · Mohs 6.5-7brown, tan, white
- No imageSilicified Dinosaur Boneuncommonfossil · Mohs 6.5-7red, brown, black
- No imageSilicified Fernscommonfossil · Mohs 6.5-7brown, black, gray
Silicified Fossilscommonfossil · Mohs 6.5-7brown, red, yellow- No imageSilicified Lignitecommonfossil · Mohs 6.5-7brown, black, gray
- No imageSilicified Palm Woodcommonfossil · Mohs 6.5-7brown, tan, black
- No imageSilicified Pine Conesuncommonfossil · Mohs 6.5-7brown, tan, gray
- No imageSilicified Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Silveruncommonmineral · Mohs 2.5-3silver-white, gray, black
Sinneriteraremineral · Mohs 3.5gray, black
Skarncommonmetamorphic · Mohs 5-7green, brown, black
Skinneriteraremineral · Mohs 2.5-3gray, black
Slatecommonmetamorphic · Mohs 2.5-4gray, black, green
Smoky Quartzcommonmineral · Mohs 7brown, gray, black
Snowflake Obsidiancommonmineral · Mohs 5-5.5black, white
Spaltiiteraremineral · Mohs 2.5-3lead-gray, black
Sphaleritecommonmineral · Mohs 3.5-4yellow, brown, black
Spheneuncommongemstone · Mohs 5-5.5yellow, green, brown- No imageSpherulitic Chertcommonmineral · Mohs 6.5-7white, gray, tan
Spinelcommonmineral · Mohs 8red, blue, green- No imageSpionkopiteraremineral · Mohs 2indigo, dark blue, black
- No imageSrebrodolskiteraremineral · Mohs 5-6dark red, brown, black
- No imageSrilankiteraremineral · Mohs 7-8black, brown
Stalderiteraremineral · Mohs 3.5lead-gray, black- No imageStanĕkiteraremineral · Mohs 4black, dark brown
Stannoiditeraremineral · Mohs 4bronze, brown, black- No imageStar Garnetuncommonmineral · Mohs 7-7.5reddish-brown, dark red, black
Star Sapphireraregemstone · Mohs 9blue, gray, violet
Steenstrupine-(Ce)raremineral · Mohs 4brown, black, yellow
Sternbergiteraremineral · Mohs 1-1.5pinchbeck-brown, dark brown, black
Sterryiteraremineral · Mohs 3.5lead-gray, black
Stetefeldtiteraremineral · Mohs 3.5-4.5brown, black, yellowish-brown
Stibiocolumbiteraremineral · Mohs 5-5.5yellow, brown, greenish-yellow
Stilpnomelanecommonmineral · Mohs 3-4black, brownish-black, bronze- No imageStony Meteoriterarefossil · Mohs 5-7gray, brown, black
Stottiteraremineral · Mohs 3.5black- No imageStraczekiteraremineral · Mohs 2black, dark brown
Strontiochevkiniteraremineral · Mohs 5-6black, brownish black- No imageStrontiomelaneraremineral · Mohs 3-4black, dark gray
Tabbyiteuncommonmineral · Mohs 2-3black, brown
Tabulate Coralcommonfossil · Mohs 5-7tan, brown, gray
Takaneliteraremineral · Mohs 1-2black, brownish black
Tantalaeschynite-(Y)raremineral · Mohs 5-6black, brownish-black
Tantalcarbideraremineral · Mohs 9-10gray, gray, black
Tantaliteuncommonmineral · Mohs 6black, brownish-black, reddish-brown
Tantalite-(Fe)uncommonmineral · Mohs 6-6.5black, brownish-black- No imageTantalite-(Mg)raremineral · Mohs 6brown, black
Tantalite-(Mn)uncommonmineral · Mohs 6black, brown, reddish-brown
Tantalowodginiteraremineral · Mohs 5-6black, brownish-black
Tanteuxenite-(Y)raremineral · Mohs 5.5black, brownish-black
Tapiolite-(Fe)raremineral · Mohs 6-6.5black, brownish-black
Tapiolite-(Mn)raremineral · Mohs 6-6.5black, reddish-brown, brown
Taramiteraremineral · Mohs 5-6black, dark green, dark brown- No imageTashelgiteraremineral · Mohs 5-6dark brown, black
Tealliteraremineral · Mohs 1.5-2black, lead-gray
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