Brown rocks & minerals
Brown rocks and minerals are extremely common — iron oxidation alone produces a huge range of browns and tans. Look at hardness, luster, and host setting to narrow it down.
Showing 721–840 of 1338 brown rocks (page 7 of 12).
Maghagendorfiteraremineral · Mohs 3.5-4yellow, brown, greenish-yellow
Maghemiteuncommonmineral · Mohs 5-6brown, reddish-brown, black- No imageMagnesio-ferri-hornblendecommonmineral · Mohs 5-6dark green, brown, black
- No imageMagnesiobermaniteraremineral · Mohs 3-4yellow, brownish yellow, brown
- No imageMagnesiodumortieriteraremineral · Mohs 7blue, violet, pink
- No imageMagnesiohögbomite-2N2Sraremineral · Mohs 6-7brown, reddish-brown, black
- No imageMagnesiohögbomite-6N6Sraremineral · Mohs 6brown, dark brown, reddish brown
Magnesioneptuniteraremineral · Mohs 5-6black, dark red, brown- No imageMagnesionigerite-2N1Sraremineral · Mohs 8-9brown, reddish-brown, black
- No imageMagnesionigerite-6N6Sraremineral · Mohs 8-9brown, black, yellowish-brown
- No imageMagnesiorowlandite-(Y)raremineral · Mohs 5-5.5yellow, brown, greenish
Magnesiostauroliteraremineral · Mohs 7-7.5reddish-brown, brown, yellow-brown- No imageMagnesiovesuvianiteraremineral · Mohs 6.5brown, green, yellow
Magnesitecommonmineral · Mohs 3.5-4.5white, gray, yellow- No imageMagnesium Carbonatescommonmineral · Mohs 3.5-4.5white, colorless, gray
Malayaiteraremineral · Mohs 5-6yellow, brown, greenish yellow
Mali Garnetuncommongemstone · Mohs 6.5-7.5yellow, green, brown
Mammoth Toothcommonfossil · Mohs 2.5-3tan, brown, cream- No imageManaevite-(Ce)raremineral · Mohs 6-7brown, dark brown
Manatee Bonescommonfossil · Mohs 3-5tan, brown, gray- No imageManganbelyankiniteraremineral · Mohs 4-5brown, yellowish-brown
Manganhumiteraremineral · Mohs 6-6.5yellow, yellowish-brown, brown- No imageManganiandrosite-(Ce)raremineral · Mohs 6-6.5brown, black
- No imageManganlotharmeyeriteraremineral · Mohs 4.5yellow, yellowish-orange, brown
Manganoblöditeraremineral · Mohs 3yellow, yellow-orange, brown
Manganokhomyakoviteraremineral · Mohs 5-6brown, reddish-brown, yellowish-brown
Manganosegeleriteraremineral · Mohs 4yellow, brown, pinkish-brown
Manganositeraremineral · Mohs 5-6emerald green, grass green, black
Manganvesuvianiteraremineral · Mohs 6.5red, pink, brown- No imageManitobaiteraremineral · Mohs 3-4yellow, brown
Mary Ellen Jaspercommonfossil · Mohs 6.5-7red, brown, black
Mastodon Toothuncommonfossil · Mohs 3-5brown, tan, black- No imageMatrix Opalcommongemstone · Mohs 5.5-6.5multicolored, brown, black
- No imageMatsubaraiteraremineral · Mohs 5-6brown, black
Mckelveyite-(Nd)raremineral · Mohs 4greenish-yellow, yellowish-brown, brown- No imageMedenbachiteraremineral · Mohs 4orange, reddish-orange, brown
- No imageMegalodon Teethcommonfossil · Mohs 3-5gray, black, brown
Megalodon Toothcommonfossil · Mohs 3-5black, gray, brown
Meieraniteraremineral · Mohs 7-7.5yellow, brown
Melanocerite-(Ce)raremineral · Mohs 5-6brown, reddish-brown, dark red
Melanophlogiteraremineral · Mohs 6-6.5colorless, white, yellow
Meliphaniteraremineral · Mohs 5-5.5yellow, yellowish-white, brown- No imageMendeleevite-(Nd)raremineral · Mohs 5-6brown, yellow-brown, reddish-brown
- No imageMendozavilite-KCararemineral · Mohs 2yellow, orange, brown
Mendozavilite-NaFeraremineral · Mohs 2-3yellow, orange, brown- No imageMengeiteraremineral · Mohs 7.5black, brown
- No imageMenzerite-(Y)raremineral · Mohs 7-7.5brown, black
Mesosideriterareigneous · Mohs 5-6silver, gray, black- No imageMetacalciouranoiteraremineral · Mohs 3-4yellow, orange, brown
- No imageMetatamboiteraremineral · Mohs 2-3yellow, yellow-orange, brown
Metavivianiteraremineral · Mohs 1.5-2dark green, blue-green, brown- No imageMetavoltineraremineral · Mohs 2.5yellow, orange, brown
Meteoritesrareigneous · Mohs 5-8black, brown, gray
Mexican Onyxcommonmineral · Mohs 3white, yellow, brown- No imageMeymaciteraremineral · Mohs 2-3yellow, yellowish-green, brown
Micacommonmineral · Mohs 2-3black, brown, silver- No imageMica Bookscommonmineral · Mohs 2.5-4black, brown, silver
Mica Schistcommonmetamorphic · Mohs 3-6silver, gray, black
Mieite-(Y)raremineral · Mohs 5-6yellow, yellow-brown, brown
Milanriederiteraremineral · Mohs 6.5yellow, brown
Mimetiteuncommonmineral · Mohs 3.5-4yellow, orange, brown
Minnesotaiteuncommonmineral · Mohs 1-2yellow, green, brown- No imageMogoviditeraremineral · Mohs 7black, brown
- No imageMojaveitecommonmineral · Mohs 6.5-7red, brown, tan
Monazitecommonmineral · Mohs 5-5.5reddish-brown, yellowish-brown, brown
Monazite-(Ce)commonmineral · Mohs 5-5.5reddish-brown, brown, yellowish-brown
Monazite-(La)uncommonmineral · Mohs 5-5.5yellowish-brown, reddish-brown, brown- No imageMonazite-(Nd)raremineral · Mohs 5-5.5reddish-brown, brown, yellowish-brown
- No imageMonazite-(Sm)raremineral · Mohs 5-5.5yellow, brown, reddish-brown
- No imageMontana Agatecommonmineral · Mohs 6.5-7yellow, orange, brown
Montana Moss Agatecommonmineral · Mohs 6.5-7clear, white, gray- No imageMontdoriteraremineral · Mohs 2.5yellow, brown
Monticelliteuncommonmineral · Mohs 5colorless, white, gray
Montroyditeraremineral · Mohs 1.5-2orange, red, brown
Moqui Marblescommonmineral · Mohs 5.5-6.5brown, reddish-brown, black
Morelanditeraremineral · Mohs 5yellow, brown, colorless
Morrisonitecommonmineral · Mohs 6.5-7pink, tan, orange
Mosandrite-(Ce)raremineral · Mohs 4yellow, brown, reddish-brown
Mosasaur Toothcommonfossil · Mohs 3-5black, brown, tan
Moss Agatecommonmineral · Mohs 6.5-7white, green, brown- No imageMoss Opalcommonmineral · Mohs 5.5-6.5white, clear, green
Mottanaite-(Ce)raremineral · Mohs 5.5brown, reddish-brown
Mozarkitecommonmineral · Mohs 6.5-7red, pink, white
Mozartiteraremineral · Mohs 6-6.5red, brown, orange
Mudstonecommonsedimentary · Mohs 2-3gray, brown, red- No imageMuiriteraremineral · Mohs 3.5yellow, brown, orange-brown
- No imageMurataite-(Y)raremineral · Mohs 6yellow, brown, black
Murmaniteraremineral · Mohs 2-3violet, brown, pink
Muscovitecommonmineral · Mohs 2.5-3colorless, yellow, brown
Muskoxiteraremineral · Mohs 2-3brown, yellowish-brown
Mylonitecommonmetamorphic · Mohs 5-7gray, black, white- No imageNabalamprophylliteraremineral · Mohs 3yellow, brown, reddish-brown
Nacareniobsite-(Ce)raremineral · Mohs 5yellow, brown
Nadoriteraremineral · Mohs 3.5-4yellowish-brown, brown, yellow
Nafertisiteraremineral · Mohs 3brown, golden-brown, yellowish-brown- No imageNanlingiteraremineral · Mohs 4yellow, yellowish-green, brown
Narsarsukiteraremineral · Mohs 7yellow, yellow-brown, brown
Nataniteraremineral · Mohs 4yellow, brown, dark brown
Native Sulfurcommonmineral · Mohs 1.5-2.5yellow, yellow-orange, yellow-green
Natroniobiteraremineral · Mohs 6yellow, brown, black
Natrophiliteraremineral · Mohs 4.5-5yellow, orange, brown- No imageNatrotitaniteraremineral · Mohs 5-5.5yellow, brown, greenish-yellow
Nautiloidcommonfossilbrown, gray, white
Nchwaningiteraremineral · Mohs 4brown, yellow-brown- No imageNechelyustoviteraremineral · Mohs 4-5yellow, brown
- No imageNegevitecommonmineral · Mohs 2.5-3.5green, brown, yellow
Neighboriteraremineral · Mohs 3.5colorless, white, tan
Neleniteraremineral · Mohs 4-5yellow, brown, orange-brown
Nenadkevichiteraremineral · Mohs 5yellow, brown, pink
Nephrite Jadecommonmineral · Mohs 6-6.5green, white, yellow- No imageNeskevaaraite-Feraremineral · Mohs 5yellow, brown
Neustädteliteraremineral · Mohs 3-4yellow, yellow-brown, brown
Nežiloviteraremineral · Mohs 6black, brown
Nickellotharmeyeriteraremineral · Mohs 4-5yellow, orange, brown
Nickelschneebergiteraremineral · Mohs 4.5yellow, yellow-green, brown- No imageNiksergieviteraremineral · Mohs 3.5yellow, brown, white
Ningyoiteraremineral · Mohs 3brown, yellowish-brown- No imageNioboholtiteraremineral · Mohs 7-8brown, yellowish-brown
Niobokupletskiteraremineral · Mohs 3-4brown, dark brown, reddish-brown
Niocaliteraremineral · Mohs 6yellow, yellow-orange, amber
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