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 268 reddish-brown rocks and minerals.
Abelsoniteraremineral · Mohs 2-3purple, reddish-brown, pinkish-brown
Achávaliteraremineral · Mohs 2.5bronze, reddish-brown
Aeschynite-(Nd)raremineral · Mohs 5-6black, brown, reddish-brown
Akaganeiteuncommonmineral · Mohs 3-4reddish-brown, brown, yellowish-brown
Akatoreiteraremineral · Mohs 6reddish-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- No imageAllanite-(Y)raremineral · Mohs 5.5-6black, brown, reddish-brown
Alleghanyiteraremineral · Mohs 5.5-6brownish red, reddish brown, orange 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 6.5reddish-brown, brown, pink
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
Bafertisiteraremineral · Mohs 3brown, yellowish-brown, reddish-brown
Balangeroiteraremineral · Mohs 3.5brown, reddish-brown
Barite Rosecommonmineral · Mohs 3-3.5brown, reddish-brown, tan
Barnesiteraremineral · Mohs 3dark red, reddish-brown
Bastnäsite-(Ce)uncommonmineral · Mohs 4-4.5yellow, reddish-brown, brown
Bastnäsite-(La)raremineral · Mohs 4-4.5yellow, reddish-brown, brown
Bauranoiteraremineral · Mohs 2-3reddish brown
Bementiteraremineral · Mohs 4.5brown, 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 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- No imageCalciodelrioiteraremineral · Mohs 2colorless, tan, reddish brown
Calderiteraremineral · Mohs 7-7.5reddish-brown, brown, orange-brown
Calzirtiteraremineral · Mohs 6dark brown, reddish-brown, black- No imageCanosioiteraremineral · Mohs 6-6.5reddish brown
Canutiteraremineral · Mohs 3reddish brown- No imageCarlgieseckeite-(Nd)raremineral · Mohs 4-5reddish-brown, brown
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- No imageCianciulliiteraremineral · Mohs 3dark brown, reddish brown
Clarkeiteraremineral · Mohs 4reddish-brown, brown, yellowish-orange
Clinobisvaniteuncommonmineral · 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
Copper Nuggetcommonmineral · Mohs 2.5-3reddish-brown, copper-red, tarnished 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
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
Eggletoniteraremineral · Mohs 3-4brown, reddish-brown
Ernstiteraremineral · Mohs 3-3.5yellow, yellow-orange, reddish-brown
Esseneiteraremineral · Mohs 6brown, dark brown, reddish-brown
Fairy Stonecommonmineral · Mohs 7-7.5brown, reddish-brown, black- No imageFeklicheviteraremineral · Mohs 5yellow, brown, reddish-brown
Fencooperiteraremineral · Mohs 3-4dark brown, reddish brown- No imageFerri-mottanaite-(Ce)raremineral · Mohs 6yellow, brown, reddish-brown
- No imageFerrihydritecommonmineral · 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
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
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
Grattarolaiteraremineral · Mohs 6reddish brown
Grischuniteraremineral · Mohs 4reddish-brown, brown
Hancockiteraremineral · Mohs 6-7reddish-brown, brown, black- No imageHashemiteraremetamorphic · Mohs 3.5dark brown, black, reddish-brown
Haueriteraremineral · Mohs 4reddish-brown, dark brownish-black
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
Hematophaniteraremineral · Mohs 3dark red, reddish-brown, black
Hendricksiteraremineral · Mohs 2.5-3dark brown, reddish brown
Henritermieriteraremineral · Mohs 6brown, reddish-brown
Heterogeniteuncommonmineral · Mohs 3-4black, brownish-black, reddish-brown
Hiboniteraremineral · Mohs 7.5-8black, brown, reddish-brown- No imageHongheiteraremineral · Mohs 6.5dark brown, black, reddish-brown
- No imageHuanzalaiteraremineral · Mohs 2orange, reddish brown
Hubeiteraremineral · Mohs 5.5brown, reddish-brown
Hübneriteuncommonmineral · Mohs 4-4.5reddish-brown, brown, black
Huebneriteuncommonmineral · Mohs 4-4.5red, reddish-brown, brownish-black
Humiteuncommonmineral · Mohs 6-6.5yellow, brown, orange
Hureauliteuncommonmineral · Mohs 3.5orange, pink, yellow- No imageHydroplumboelsmoreiteraremineral · Mohs 5-5.5yellow, brown, orange
- No imageHydroxylbastnäsite-(Ce)raremineral · Mohs 4-4.5yellow, reddish-brown, brown
- No imageHydroxylbastnäsite-(La)raremineral · Mohs 4-4.5yellow, brownish-yellow, reddish-brown
- No imageHydroxymanganopyrochloreraremineral · Mohs 5-5.5brown, yellowish-brown, reddish-brown
- No imageHydroxynatropyrochloreraremineral · Mohs 5-5.5yellow, brown, reddish-brown
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