Reddish-brown rocks & minerals
Reddish-brown rocks and minerals share this color due to specific trace elements, chemical bonds, or structural defects. Color alone rarely settles an identification — use it with hardness, luster, and streak.
Showing 1–120 of 309 reddish-brown rocks and minerals.
Abelsoniteraremineral · Mohs 2-3purple, reddish-brown, pinkish-brown
Achávaliteraremineral · Mohs 3.5-4bronze, reddish-brown
Aeschynite-(Nd)raremineral · Mohs 5-6black, brown, reddish-brown
Akaganeiteuncommonmineral · Mohs 3-4reddish-brown, brown, yellowish-brown
Akatoreiteraremineral · Mohs 5reddish-brown, orange-brown
Akrochorditeraremineral · Mohs 3.5reddish-brown, brown, yellowish-brown
Allactiteraremineral · Mohs 3-4dark red, reddish brown, brown
Allaniteuncommonmineral · Mohs 5.5-6black, brown, reddish-brown
Allanite-(Ce)uncommonmineral · Mohs 5.5-6.5black, brown, reddish-brown
Allanite-(La)raremineral · Mohs 5.5-6black, brown, reddish-brown
Allanite-(Y)raremineral · Mohs 5.5-6black, brown, reddish-brown
Alleghanyiteraremineral · Mohs 5.5-6brownish red, reddish brown, orange brown- No imageAlluaiviteraremineral · Mohs 5-6yellow, brown, reddish-brown
Almandinecommonmineral · Mohs 7-7.5dark red, reddish-brown, brownish-black- No imageAluminocerite-(CeCa)raremineral · Mohs 5.5brown, pinkish-brown, reddish-brown
Ancylite-(Ce)uncommonmineral · Mohs 4-4.5yellow, brown, reddish-brown
Andalusitecommonmineral · Mohs 7.5reddish-brown, brown, pink- No imageAraditeraremineral · Mohs 6-7reddish-brown, brown, black
Ardennite-(V)raremineral · Mohs 6-7yellow, brown, reddish-brown
Arseniopleiteraremineral · Mohs 3.5dark brown, reddish-brown, black
Arseniosideriteuncommonmineral · Mohs 4-4.5yellow, brown, reddish-brown
Attakoliteraremineral · Mohs 3.5-4yellow, brown, reddish-brown- No imageBadaloviteraremineral · Mohs 7-7.5dark brown, reddish-brown
Bafertisiteraremineral · Mohs 3brown, yellowish-brown, reddish-brown
Balangeroiteraremineral · Mohs 3.5brown, reddish-brown- No imageBarite Rosescommonmineral · Mohs 3-3.5brown, reddish-brown, tan
Barnesiteraremineral · Mohs 2dark red, reddish-brown
Bastnäsite-(Ce)uncommonmineral · Mohs 4-4.5yellow, reddish-brown, brown
Bastnäsite-(La)raremineral · Mohs 4-4.5yellow, reddish-brown, brown- No imageBastnäsite-(Nd)raremineral · Mohs 4-4.5yellow, brown, reddish-brown
Bastnäsite-(Y)raremineral · Mohs 4-4.5yellow, yellowish-brown, reddish-brown- No imageBatisiviteraremineral · Mohs 3.5dark brown, reddish brown
Bementiteraremineral · Mohs 6brown, yellowish-brown, reddish-brown
Berauniteuncommonmineral · Mohs 3.5-4reddish-brown, brown, dark red
Bermaniteraremineral · Mohs 3.5reddish-brown, brown, orange-brown
Blakeiteraremineral · Mohs 3-4reddish brown, brown
Blue Dumortieriteuncommonmineral · Mohs 7-8.5blue, violet-blue, reddish-brown
Bobfergusoniteraremineral · Mohs 4reddish brown, brown- No imageBobmeyeriteraremineral · Mohs 4-5dark brown, reddish-brown
- No imageBobshannoniteraremineral · Mohs 3-4dark brown, reddish-brown
- No imageBostwickiteraremineral · Mohs 2.5-3dark brown, reddish-brown
Britholite-(Ce)raremineral · Mohs 5.5brown, tan, reddish-brown
Brockiteraremineral · Mohs 3-4pink, reddish-brown, white
Brookiteuncommonmineral · Mohs 5.5-6reddish-brown, brown, black- No imageBrown Sapphirecommongemstone · Mohs 9brown, golden brown, reddish brown
- No imageBrown Zirconcommongemstone · Mohs 7.5brown, reddish-brown, yellowish-brown
Cafarsiteraremineral · Mohs 5-6dark brown, black, reddish-brown
Calderiteraremineral · Mohs 7-7.5reddish-brown, brown, orange-brown
Calzirtiteraremineral · Mohs 6dark brown, reddish-brown, black- No imageCarbokentbrooksiteraremineral · Mohs 5-6dark brown, reddish-brown
- No imageCarlgieseckeite-(Nd)raremineral · Mohs 4-5reddish-brown, brown
- No imageCarmichaeliteraremineral · Mohs 6.5-7brown, reddish-brown, black
Carminiteraremineral · Mohs 3.5carmine-red, reddish-brown, orange-red- No imageCaryochroiteraremineral · Mohs 3-4brown, reddish-brown
Cassiteritecommonmineral · Mohs 6-7black, brown, reddish-brown
Catapleiiteuncommonmineral · Mohs 5.5-6colorless, white, yellow
Catlinitecommonsedimentary · Mohs 2.5-3red, reddish-brown, brown
Cerite-(CeCa)raremineral · Mohs 5.5brown, reddish-brown, gray
Chiastolitecommonmineral · Mohs 6.5-7.5gray, yellowish-brown, reddish-brown
Childreniteuncommonmineral · Mohs 5yellow, brown, reddish-brown
Chondroditeuncommonmineral · Mohs 6-6.5yellow, orange, brown
Clarkeiteraremineral · Mohs 4reddish-brown, brown, yellowish-orange
Clinobisvaniteraremineral · Mohs 3-4yellow, orange-yellow, reddish-brown
Clintoniteuncommonmineral · Mohs 3.5-6yellowish-white, reddish-brown, greenish
Cocciniteraremineral · Mohs 2red, reddish-brown
Columbite-(Mn)uncommonmineral · Mohs 6black, brownish-black, reddish-brown
Coppercommonmineral · Mohs 2.5-3copper-red, reddish-brown- No imageCopper Nuggetscommonmineral · Mohs 2.5-3reddish-brown, copper-red, tarnished brown
- No imageCupaliteraremineral · Mohs 3-3.5copper-red, reddish-brown
Danaliteraremineral · Mohs 5.5-6red, reddish-brown, yellow
Delvauxiteraremineral · Mohs 2.5-3yellow, brown, reddish-brown
Desert Rose Gypsumcommonmineral · Mohs 2brown, tan, white
Dinosaur Coproliteuncommonfossil · Mohs 3-5brown, tan, black- No imageDmisokoloviteraremineral · Mohs 2-2.5dark red, reddish-brown
Dollaseite-(Ce)raremineral · Mohs 6-6.5brown, reddish-brown, dark brown
Dumortieriteuncommonmineral · Mohs 7-8.5blue, violet-blue, reddish-brown
Earlshannoniteraremineral · Mohs 3.5brown, yellowish-brown, reddish-brown- No imageEdtolliteraremineral · Mohs 7dark brown, reddish-brown
Eggletoniteraremineral · Mohs 3-4brown, reddish-brown
Ernstiteraremineral · Mohs 5yellow, yellow-orange, reddish-brown
Esseneiteraremineral · Mohs 6brown, dark brown, reddish-brown
Euxeniteuncommonmineral · Mohs 5.5-6.5black, brownish-black, reddish-brown- No imageFairy Stonecommonmineral · Mohs 7-7.5brown, reddish-brown, black
- No imageFeklicheviteraremineral · Mohs 5yellow, brown, reddish-brown
Fenaksiteraremineral · Mohs 5-6pink, reddish-brown
Fencooperiteraremineral · Mohs 3-4dark brown, reddish brown- No imageFengchengiteraremineral · Mohs 6.5-7.5yellow, brown, reddish-brown
Ferri-mottanaite-(Ce)raremineral · Mohs 6yellow, brown, reddish-brown
Ferrihydritecommonmineral · Mohs 2-3reddish-brown, brown, dark-brown- No imageFerronigerite-6N6Sraremineral · Mohs 8-9brown, reddish-brown
- No imageFerrotaaffeite-6N'3Sraremineral · Mohs 8blue, purple, colorless
Fersmaniteraremineral · Mohs 5.5brown, yellowish-brown, reddish-brown
Fillowiteraremineral · Mohs 4.5yellowish-brown, reddish-brown, yellow- No imageFluorbritholite-(Ce)raremineral · Mohs 5-5.5brown, reddish-brown, yellow
- No imageFluorbritholite-(Y)raremineral · Mohs 5-5.5yellow, brown, reddish-brown
- No imageFluorcalciomicroliteraremineral · Mohs 5-5.5yellow, brown, reddish-brown
Fluorcalciopyrochloreraremineral · Mohs 5-5.5brown, yellowish-brown, reddish-brown
Fluornatropyrochloreraremineral · Mohs 5-5.5yellow, brown, reddish-brown
Formanite-(Y)raremineral · Mohs 5.5-6.5yellow, brown, reddish-brown
Fourmarieriteraremineral · Mohs 3-4red, orange, reddish-brown
Fritzscheiteraremineral · Mohs 2-2.5reddish-brown, orange-red, yellow-orange
Galaxiteraremineral · Mohs 7.5black, brownish-black, reddish-brown
Gasparite-(Ce)raremineral · Mohs 5yellow, brownish-yellow, reddish-brown
Gayiteraremineral · Mohs 4yellowish-brown, brown, reddish-brown
Germaniteraremineral · Mohs 4reddish-brown, grayish-pink
Goethitecommonmineral · Mohs 5-5.5yellowish-brown, reddish-brown, black
Golysheviteraremineral · Mohs 5-6pink, reddish-brown
Graftoniteraremineral · Mohs 5salmon-pink, brown, reddish-brown- No imageGrandaiteraremineral · Mohs 6.5-7.5brown, reddish-brown
Grattarolaiteraremineral · Mohs 6dark red, reddish-brown
Grischuniteraremineral · Mohs 4reddish-brown, brown
Hancockiteraremineral · Mohs 6-7reddish-brown, brown, black
Hashemiteraremetamorphic · Mohs 5-6dark brown, black, reddish-brown
Haueriteraremineral · Mohs 4reddish-brown, dark brownish-black- No imageHeftetjerniteraremineral · Mohs 6brown, yellowish-brown, reddish-brown
Hejtmaniteraremineral · Mohs 3-4brown, reddish-brown, dark brown
Hellandite-(Ce)raremineral · Mohs 5.5brown, yellowish-brown, reddish-brown
Hellandite-(Y)raremineral · Mohs 5.5brown, yellowish-brown, reddish-brown
Helvineuncommonmineral · Mohs 6-6.5yellow, yellowish-brown, reddish-brown
Hematitecommonmineral · Mohs 5.5-6.5steel-gray, black, reddish-brown
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