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 361–480 of 1041 black rocks (page 4 of 9).
- No imageFluoro-pargasiteraremineral · Mohs 5-6black
Fluoro-taramiteraremineral · Mohs 5-6black, dark green
Foititeraremineral · Mohs 7dark blue, black, violet-blue
Foorditeraremineral · Mohs 6-6.5black, brownish-black
Formanite-(Y)raremineral · Mohs 5.5-6.5yellow, brown, reddish-brown
Fort Payne Chertcommonmineral · Mohs 6.5-7white, gray, brown
Fossilcommonfossil · Mohs 3-7brown, gray, white
Fossil Insectuncommonfossil · Mohs 1-3brown, amber, black
Fossil Leafcommonfossil · Mohs 2-4brown, black, gray
Fossil Leaf Printcommonfossil · Mohs 2-4brown, tan, black
Fossil Plantcommonfossilbrown, black, gray
Fossil Spiderrarefossilamber, brown, black
Fossilized Ferncommonfossil · Mohs 3-6black, brown, gray
Fossilized Horse Bonecommonfossil · Mohs 3-6brown, tan, white- No imageFossilized Quarrycommonfossilbrown, tan, gray
Fossilized Shark Toothcommonfossil · Mohs 3-5black, gray, brown
Fossilized Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Franckeiteraremineral · Mohs 2.5-3black, dark gray- No imageFrankhawthorneiteraremineral · Mohs 3-4dark green, black
- No imageFranklinfurnaceiteraremineral · Mohs 3dark brown, black
Frankliniteuncommonmineral · Mohs 5.5-6.5black, brownish-black- No imageFranklinphiliteraremineral · Mohs 3-4dark brown, black
Freudenbergiteraremineral · Mohs 5-6brown, black
Fulguriteuncommonmineral · Mohs 6.5-7white, gray, tan
Furutobeiteraremineral · Mohs 2.5-3lead-gray, black
Gabbrocommonigneous · Mohs 6-7black, dark green, dark gray
Gabrieliteraremineral · Mohs 2gray, black- No imageGabrielsoniteraremineral · Mohs 3.5black
Gadolinite-(Ce)raremineral · Mohs 6.5-7black, brownish-black, greenish-black
Gadolinite-(Y)raremineral · Mohs 6.5-7black, brownish-black, greenish-black
Gahniteuncommonmineral · Mohs 7.5-8dark green, blue-green, yellow
Galaxiteraremineral · Mohs 7.5black, brownish-black, reddish-brown
Gamagariteraremineral · Mohs 4dark brown, black- No imageGananiteraremineral · Mohs 3brown, black, greenish black
Garnetcommonmineral · Mohs 6.5-7.5red, green, yellow
Gastrolithuncommonfossilvariable, brown, gray
Gastropodcommonfossil · Mohs 3-5white, brown, gray
Gastropod Fossilcommonfossilbrown, gray, white
Gaudefroyiteraremineral · Mohs 5.5-6black, brownish-black
Geeriteraremineral · Mohs 3.5-4black, gray
Geikieliteraremineral · Mohs 5-6red, brownish-red, black- No imageGilsonitecommonmineral · Mohs 2-2.5black
Glaucophanecommonmineral · Mohs 6blue, blue-gray, lavender
Gneisscommonmetamorphic · Mohs 5-7white, gray, pink
Goethitecommonmineral · Mohs 5-5.5yellowish-brown, reddish-brown, black
Goldmaniteraremineral · Mohs 6.5-7dark green, brownish green, black
Goniatitecommonfossil · Mohs 3-4brown, gray, black
Graeseriteraremineral · Mohs 5.5-6black- No imageGrahamiteuncommonmineral · Mohs 2black
Gramaccioliite-(Y)raremineral · Mohs 5-6black
Granodioritecommonigneous · Mohs 6-7gray, white, black
Graphitecommonmineral · Mohs 1-2black, steel-gray- No imageGraţianiteraremineral · Mohs 3-3.5gray, black
Gray Agatecommonmineral · Mohs 6.5-7gray, gray, white
Green Marblecommonmetamorphic · Mohs 3-5green, dark green, white- No imageGreenwooditeraremineral · Mohs 5black
- No imageGrigorieviteraremineral · Mohs 5-6black, dark brown
Grimaldiiteraremineral · Mohs 3.5black, dark brown- No imageGrossmaniteraremineral · Mohs 6-7dark green, black
Groutiteraremineral · Mohs 3.5-4black, dark brown- No imageGrundmanniteraremineral · Mohs 2-2.5black
- No imageGuidottiiteraremineral · Mohs 4.25black
- No imageGuiteraremineral · Mohs 5-6black, brownish-black
Guyanaiteraremineral · Mohs 3-4dark green, black
Hagendorfiteraremineral · Mohs 3.5-4black, dark green, dark blue- No imageHaggertyiteraremineral · Mohs 5black
Häggiteraremineral · Mohs 3black, dark brown- No imageHakite-(Cd)raremineral · Mohs 3-4gray, black
- No imageHakite-(Zn)raremineral · Mohs 3-4gray, black
Hammariteraremineral · Mohs 3.5lead-gray, black
Hanaueriteraremineral · Mohs 3.5-4yellow, brown, black
Hancockiteraremineral · Mohs 6-7reddish-brown, brown, black- No imageHarmuniteraremineral · Mohs 5.5black
- No imageHashemiteraremetamorphic · Mohs 3.5dark brown, black, reddish-brown
Hastingsiteuncommonmineral · Mohs 5-6black, dark green, dark brown
Hatchiteraremineral · Mohs 3.5black, gray
Hausmanniteuncommonmineral · Mohs 5-5.5black, brownish-black- No imageHawthorneiteraremineral · Mohs 6black
Hedenbergitecommonmineral · Mohs 5.5-6dark green, black, brownish-green
Heideiteraremineral · Mohs 5-6black, dark gray
Hematitecommonmineral · Mohs 5.5-6.5steel-gray, black, reddish-brown
Hematophaniteraremineral · Mohs 3dark red, reddish-brown, black
Hemloiteraremineral · Mohs 6black
Hendekasartoriteraremineral · Mohs 3-3.5lead-gray, black
Hendersoniteraremineral · Mohs 2dark brown, black- No imageHenrymeyeriteraremineral · Mohs 6black
Hercyniteuncommonmineral · Mohs 7.5-8black, dark green
Herzenbergiteraremineral · Mohs 2black, dark gray
Hetaeroliteuncommonmineral · Mohs 6black, dark brown
Heterogeniteuncommonmineral · Mohs 3-4black, brownish-black, reddish-brown
Heteromorphiteraremineral · Mohs 2.5-3lead-gray, black- No imageHezuoliniteraremineral · Mohs 5.5-6black
Hiboniteraremineral · Mohs 7.5-8black, brown, reddish-brown- No imageHingganite-(Nd)raremineral · Mohs 6.5-7yellowish-brown, brown, black
Hisingeriteuncommonmineral · Mohs 3black, brown, greenish-black
Hodrušiteraremineral · Mohs 3.5dark gray, lead gray, black
Høgtuvaiteraremineral · Mohs 5-6black, brown
Hollanditeuncommonmineral · Mohs 6black, dark gray- No imageHomiliteraremineral · Mohs 5black, brown, greenish-black
- No imageHoneaiteraremineral · Mohs 1-2black
- No imageHongheiteraremineral · Mohs 6.5dark brown, black, reddish-brown
Hornblendecommonmineral · Mohs 5-6black, dark green, brownish-green
Hornfelscommonmetamorphic · Mohs 5-7gray, dark gray, black
Horsetail Fossilcommonfossil · Mohs 3-5gray, brown, black- No imageHowardevansiteraremineral · Mohs 5.5black
Howieiteraremineral · Mohs 5dark brown, black, dark green
Hübneriteuncommonmineral · Mohs 4-4.5reddish-brown, brown, black
Hulsiteraremineral · Mohs 3.5black, brownish-black- No imageHutcheoniteraremineral · Mohs 7black, brown
Hutchinsoniteraremineral · Mohs 1.5-2red, dark red, black- No imageHydroxycalciopyrochloreraremineral · Mohs 5-5.5brownish black, greenish black, black
Hypercinnabarraremineral · Mohs 3black
Hypersthenecommonmineral · Mohs 5-6black, dark brown, dark green
Ignimbritecommonigneous · Mohs 5-7gray, white, pink
Ilmenitecommonmineral · Mohs 5-6black, iron-black, brownish-black
Ilsemanniteuncommonmineral · Mohs 1-2blue, black, dark gray
Ilvaiteuncommonmineral · Mohs 5.5-6black, brownish-black
Impactiteuncommonsedimentary · Mohs 5-7black, brown, green- No imageIndigo Gabbrocommonigneous · Mohs 6-7black, dark purple, gray
Indochinitecommonmineral · Mohs 5.5-6.5black, brown
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