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 1070 black rocks (page 2 of 9).
Bismutocolumbiteraremineral · Mohs 5-6brown, black, yellowish-brown
Bismutotantaliteraremineral · Mohs 5.5yellowish-brown, brown, black- No imageBitikleiteraremineral · Mohs 7-7.5dark brown, black
Bixbyiteraremineral · Mohs 6-6.5black
Bixbyite-(Mn)raremineral · Mohs 6-6.5black- No imageBlack Agatecommonmineral · Mohs 6.5-7black, dark gray
- No imageBlack Chertcommonmineral · Mohs 6.5-7black, dark gray
Black Diamondraregemstone · Mohs 10black, dark gray- No imageBlack Flintcommonmineral · Mohs 7black, dark gray
- No imageBlack Jaspercommonmineral · Mohs 6.5-7black
Black Opalraregemstone · Mohs 5.5-6.5black, dark gray- No imageBlack Tourmalinecommonmineral · Mohs 7-7.5black, brownish-black
Blatteriteraremineral · Mohs 6black, brownish-black- No imageBlossiteraremineral · Mohs 3black
- No imageBoji Stonescommonmineral · Mohs 3.5-4brown, gray, black
Bokiteraremineral · Mohs 4black- No imageBorisenkoiteraremineral · Mohs 4dark green, black
- No imageBoscardiniteraremineral · Mohs 3-3.5black, dark gray
Bosoitecommonmineral · Mohs 3-4black
Boulder Opaluncommongemstone · Mohs 5.5-6.5black, white, gray
Bracewelliteraremineral · Mohs 6-7dark brown, black
Brackebuschiteraremineral · Mohs 3.5black, dark brown
Branneriteraremineral · Mohs 4.5black, dark brown
Brauniteuncommonmineral · Mohs 6-6.5black, brownish-black
Brecciated Jaspercommonmineral · Mohs 6.5-7red, brown, yellow
Brookiteuncommonmineral · Mohs 5.5-6reddish-brown, brown, black
Brunogeieriteraremineral · Mohs 5-6black- No imageBuckhorniteraremineral · Mohs 2.5black, gray
Bumblebee Jasperuncommonfossil · Mohs 6-7yellow, orange, black- No imageBuseckiteraremineral · Mohs 3.5-4black, brown
Cadmoinditeraremineral · Mohs 3-4black, dark gray
Cadmoseliteraremineral · Mohs 3.5-4black, dark gray
Cafarsiteraremineral · Mohs 5-6dark brown, black, reddish-brown- No imageCalciosamarskiteraremineral · Mohs 5-6black, brownish-black
Calymenecommonfossilgray, brown, tan
Calzirtiteraremineral · Mohs 6dark brown, reddish-brown, black- No imageCamanchacaiteraremineral · Mohs 5-6dark green, black, brownish-green
- No imageCanfielditeraremineral · Mohs 2.5black, grayish-black
Cannel Coalcommonsedimentary · Mohs 2-3black, brownish-black
Carboiriteraremineral · Mohs 5-6black, dark brown- No imageCarlfrancisiteraremineral · Mohs 3.5dark brown, brownish red, black
Carlosturaniteraremineral · Mohs 2.5brown, greenish-brown, black
Carmeltaziteraremineral · Mohs 8.5-9black, blue, green- No imageCarmichaeliteraremineral · Mohs 6.5-7brown, reddish-brown, black
Cassiteritecommonmineral · Mohs 6-7black, brown, reddish-brown
Caswellsilveriteraremineral · Mohs 3.5black, gray- No imageCatamarcaiteraremineral · Mohs 3-3.5gray, black
- No imageCayalsite-(Y)raremineral · Mohs 6.5black, brownish-black, brown
Čechiteraremineral · Mohs 4.5-5black, brownish black
Černýiteraremineral · Mohs 3.5black, grayish-black
Cervandonite-(Ce)raremineral · Mohs 4-5black, brownish-black- No imageCervelleiteraremineral · Mohs 2.5gray, black
Cesàroliteraremineral · Mohs 4dark gray, black
Chabournéiteraremineral · Mohs 3-3.5dark gray, black
Chalcocitecommonmineral · Mohs 2.5-3lead-gray, black, tarnish-blue
Chalcophaniteuncommonmineral · Mohs 2.5black, bluish-black
Chalcothalliteraremineral · Mohs 2.5dark gray, black
Chambersiteraremineral · Mohs 7violet, purple, dark brown
Chaméaniteraremineral · Mohs 3-3.5dark gray, black- No imageChenmingiteraremineral · Mohs 6black, gray
Chernykhiteraremineral · Mohs 2.5-3dark green, black
Chertcommonmineral · Mohs 6.5-7white, gray, brown- No imageChert Nodulescommonmineral · Mohs 6.5-7gray, brown, black
Chestermaniteraremineral · Mohs 6black, brown
Chevkinite-(Ce)raremineral · Mohs 5-6black, dark brown, brownish-black
Chlorbartoniteraremineral · Mohs 3-3.5dark green, olive green, black
Chondritecommonigneous · Mohs 5-6gray, brown, black- No imageChovaniteraremineral · Mohs 3-3.5lead-gray, black
- No imageChrombismiteraremineral · Mohs 4dark brown, black
Chromitecommonmineral · Mohs 5.5black, brownish-black
Chromo-alumino-povondraiteraremineral · Mohs 7dark brown, black- No imageCiriottiiteraremineral · Mohs 3.5dark brown, black
Claystonecommonsedimentary · Mohs 1-2gray, brown, red
Cleusoniteraremineral · Mohs 5-6black- No imageClino-ferri-holmquistiteraremineral · Mohs 5-6dark blue, blue-green, black
- No imageClino-ferro-ferri-holmquistiteraremineral · Mohs 5.5-6dark green, black, brownish-black
- No imageClinofergusonite-(Ce)raremineral · Mohs 5.5-6.5black, brown, yellowish-brown
- No imageClinofergusonite-(Nd)raremineral · Mohs 5.5-6.5yellow, brown, black
- No imageClinofergusonite-(Y)raremineral · Mohs 5.5-6.5yellow, brown, black
Clinoferrosiliteraremineral · Mohs 5-6brown, greenish-brown, black
Coalcommonsedimentary · Mohs 0.5-2.5black, brown- No imageCochromiteraremineral · Mohs 7.5-8black
Coffiniteuncommonmineral · Mohs 5black, dark gray, brownish-black
Coiraiteraremineral · Mohs 2.5black, lead-gray- No imageColimaiteraremineral · Mohs 2dark gray, black
Coloradoiteraremineral · Mohs 2.5dark gray, black
Columbiteuncommonmineral · Mohs 6black, brownish-black, iron-black
Columbite-(Fe)uncommonmineral · Mohs 6black, brownish-black
Columbite-(Mg)raremineral · Mohs 6black, brownish-black
Columbite-(Mn)uncommonmineral · Mohs 6black, brownish-black, reddish-brown
Columbite-Tantaliteuncommonmineral · Mohs 6black, brownish-black, brown
Columbium Oreuncommonmineral · Mohs 6black, brownish-black, iron-black
Concretioncommonsedimentary · Mohs 3-7brown, gray, tan
Concretions With Fossilscommonfossil · Mohs 3-5brown, gray, tan
Coombsiteraremineral · Mohs 2.5yellow, brown, black
Coronaditeuncommonmineral · Mohs 4.5-5black, gray
Corvusiteraremineral · Mohs 2.5black, dark blue
Coulsoniteraremineral · Mohs 5.5-6.5black, dark gray- No imageCoyoteiteraremineral · Mohs 1.5black
Credneriteraremineral · Mohs 4.5black- No imageCrerariteraremineral · Mohs 3.5black
Crichtoniteraremineral · Mohs 5-6black
Crinoidscommonfossil · Mohs 3-4gray, white, tan- No imageCrocodile Toothcommonfossil · Mohs 3-5brown, tan, black
Cronstedtiteraremineral · Mohs 3.5black, brownish-black, dark green- No imageCronusiteraremineral · Mohs 3.5black
- No imageCrowningshielditeraremineral · Mohs 3.5-4black, brown
Cryptomelanecommonmineral · Mohs 6-6.5black, gray- No imageCrystal Opalraregemstone · Mohs 5.5-6.5white, black, colorless
- No imageCuboargyriteraremineral · Mohs 2.5lead-gray, black
Cuprobismutiteraremineral · Mohs 3.5dark gray, black- No imageCuprokalininiteraremineral · Mohs 5-6black
- No imageCuproneyiteraremineral · Mohs 3-4dark blue, black
- No imageCupropearceiteraremineral · Mohs 3black, iron-black
Cupropolybasiteraremineral · Mohs 2.5-3black, iron-black- No imageCuprospinelraremineral · Mohs 5-6black, brownish-black
- No imageDantopaiteraremineral · Mohs 3-3.5dark gray, black
- No imageDark Gray Flintcommonmineral · Mohs 6.5-7dark gray, black, brown
Daubréeliteraremineral · Mohs 3.5-4black, dark brownish-black
Davidite-(Ce)raremineral · Mohs 6black, dark brown
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