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 241–360 of 1338 brown rocks (page 3 of 12).
Claystonecommonsedimentary · Mohs 1-2gray, brown, red
Clino-ferro-suenoiteraremineral · Mohs 5-6brown, yellowish-brown, gray- 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
Clinohumiteraremineral · Mohs 6yellow, brown, orange
Clinojimthompsoniteraremineral · Mohs 2-3green, brown
Clinokurchatoviteraremineral · Mohs 4-5brown, gray, yellowish-brown
Clinoptilolite-Cacommonmineral · Mohs 3.5-4white, colorless, pink
Clinoptilolite-Kcommonmineral · Mohs 3.5-4white, colorless, yellow
Clinozoisitecommonmineral · Mohs 6-7colorless, white, gray
Clintoniteuncommonmineral · Mohs 3.5-6yellowish-white, reddish-brown, greenish
Coalcommonsedimentary · Mohs 0.5-2.5black, brown
Coalingiteraremineral · Mohs 2.5yellow, orange, brown
Cobaltlotharmeyeriteraremineral · Mohs 4-5orange, red-orange, brown- No imageColdwater Agatecommonmineral · Mohs 6.5-7gray, white, yellow
Collinsiteraremineral · Mohs 3.5brown, yellowish-brown, tan- No imageCollophanecommonmineral · Mohs 5white, gray, yellow
- No imageColor Change Garnetraregemstone · Mohs 7-7.5blue, green, purple
Columbite-Tantaliteuncommonmineral · Mohs 6black, brownish-black, brown- No imageComblainiteraremineral · Mohs 2yellow, brownish-yellow, brown
Common Opalcommonmineral · Mohs 5.5-6.5white, gray, yellow
Concretioncommonsedimentary · Mohs 3-7brown, gray, tan
Concretions With Fossilscommonfossil · Mohs 3-5brown, gray, tan
Condor Agatecommonmineral · Mohs 6.5-7red, orange, yellow
Coombsiteraremineral · Mohs 2.5yellow, brown, black
Copalcommonfossil · Mohs 1.5-2.5yellow, orange, brown- No imageCopalitecommonfossil · Mohs 2-2.5yellow, orange, brown
Coralcommonfossil · Mohs 3-4white, pink, red
Coral Fossilcommonfossil · Mohs 6.5-7white, tan, brown
Cordylite-(Ce)raremineral · Mohs 4.5yellow, brown, gray- No imageCordylite-(La)raremineral · Mohs 4.5yellow, brown, white
Corkiteuncommonmineral · Mohs 3.5-4yellow, brown, greenish-brown
Correianevesiteraremineral · Mohs 3-4yellow-brown, brown
Corrensiteuncommonmineral · Mohs 2-3green, yellow, white
Cortesognoiteraremineral · Mohs 5.5-6yellowish-brown, brown
Corundumcommonmineral · Mohs 9colorless, red, blue
Coyamito Agateuncommonmineral · Mohs 6.5-7red, white, pink- No imageCrab Orchard Sand Stonecommonsedimentary · Mohs 6-7pink, red, buff
Crandalliteuncommonmineral · Mohs 5white, colorless, yellow
Crazy Lace Agatecommonmineral · Mohs 6.5-7white, gray, yellow
Crinoid Stemscommonfossil · Mohs 3-4gray, white, tan
Crinoidal Limestonecommonsedimentary · Mohs 3gray, tan, white
Crinoidscommonfossil · Mohs 3-4gray, white, tan- No imageCrocodile Toothcommonfossil · Mohs 3-5brown, tan, black
- No imageCrowningshielditeraremineral · Mohs 3.5-4black, brown
Cryptophylliteraremineral · Mohs 3.5yellow, yellowish-green, brown
Cummingtoniteuncommonmineral · Mohs 5-6brown, gray, greenish-gray
Cuspidineraremineral · Mohs 5-6red, yellow, brown
Danburiteuncommonmineral · Mohs 7-7.5colorless, white, yellow- No imageDark Gray Flintcommonmineral · Mohs 6.5-7dark gray, black, brown
Datolitecommonmineral · Mohs 5-5.5white, colorless, yellow- No imageDatolite Noduleuncommonmineral · Mohs 5-5.5white, yellow, green
Davreuxiteraremineral · Mohs 6-7yellow, brown, pink
Delindeiteraremineral · Mohs 3-4yellow, brown
Delvauxiteraremineral · Mohs 2.5-3yellow, brown, reddish-brown
Dendritic Agatecommonmineral · Mohs 6.5-7white, colorless, gray
Dendritic Opalcommonmineral · Mohs 5.5-6.5white, cream, colorless
Descloiziteuncommonmineral · Mohs 3-3.5red, brown, orange- No imageDesert Rose Baritecommonmineral · Mohs 3-3.5tan, brown, cream
Desert Rose Gypsumcommonmineral · Mohs 2brown, tan, white
Destineziteraremineral · Mohs 3-4yellow, brown, white- No imageDevitoiteraremineral · Mohs 2yellow, brown
Diadochiteuncommonmineral · Mohs 3yellow, brown, orange
Diamondcommongemstone · Mohs 10colorless, yellow, brown
Dingdaohengite-(Ce)raremineral · Mohs 5-6black, brown- No imageDiniteraremineral · Mohs 6.5-7yellow, brown, greenish-yellow
Dinosaur Bonescommonfossil · Mohs 5.5-7brown, red, black
Dinosaur Coproliteuncommonfossil · Mohs 3-5brown, tan, black
Dinosaur Toothcommonfossil · Mohs 3-5brown, black, gray
Dissakisite-(Ce)raremineral · Mohs 6-7brown, dark brown, black- No imageDissakisite-(La)raremineral · Mohs 6-7black, brown, dark brown
- No imageDogtooth Calcitecommonmineral · Mohs 3white, colorless, yellow
Dollaseite-(Ce)raremineral · Mohs 6-6.5brown, reddish-brown, dark brown
Dolomitecommonmineral · Mohs 3.5-4white, gray, pink
Doloresiteraremineral · Mohs 3brown, bronze-brown, black
Dolostonecommonsedimentary · Mohs 3.5-4gray, white, buff
Donpeacoriteraremineral · Mohs 5-6yellow, brown, yellow-brown
Dorriteraremineral · Mohs 6black, brown
Dravitecommonmineral · Mohs 7-7.5brown, dark brown, yellowish brown- No imageDrusy Quartzcommonmineral · Mohs 7colorless, white, gray
- No imageDry Head Agateuncommonmineral · Mohs 6.5-7red, orange, yellow
Dryhead Agateuncommonmineral · Mohs 6.5-7red, orange, yellow- No imageDualiteraremineral · Mohs 5yellow, brown, orange
Dunham Dolomitecommonsedimentary · Mohs 3.5-4gray, buff, tan
Dusmatoviteraremineral · Mohs 5.5-6yellow, brown, colorless
Dussertiteraremineral · Mohs 3.5-4yellow, yellow-green, brown
Earlshannoniteraremineral · Mohs 3.5brown, yellowish-brown, reddish-brown
Echinoidcommonfossil · Mohs 3-4white, gray, tan
Echinoid Geodeuncommonfossil · Mohs 7gray, white, clear
Edeniteuncommonmineral · Mohs 5-6green, brown, white
Eggletoniteraremineral · Mohs 3-4brown, reddish-brown
Eglestoniteraremineral · Mohs 2.5yellow, yellow-brown, orange
Ekaniteraremineral · Mohs 5-6green, yellow-green, brown
Elrathiacommonfossilbrown, gray, black
Emeleusiteraremineral · Mohs 5-6colorless, pink, brown
Emmerichiteraremineral · Mohs 2.5yellow, brown- No imageEnhydrosuncommonmineral · Mohs 7colorless, white, brown
Enstatitecommonmineral · Mohs 5-6green, brown, gray
Eosphoriteuncommonmineral · Mohs 5pink, brown, yellow
Epidote-(Sr)raremineral · Mohs 6-7yellow, brown, greenish-yellow
Ericaiteraremineral · Mohs 7red, pink, violet
Erlianiteraremineral · Mohs 3-4brown, yellowish-brown, dark brown
Esseneiteraremineral · Mohs 6brown, dark brown, reddish-brown
Eudialyteuncommonmineral · Mohs 5-6red, pink, brown
Eulytineraremineral · Mohs 4.5yellow, brown, gray
Eurypteriduncommonfossilbrown, black, tan
Euxenite-(Y)raremineral · Mohs 5.5-6.5black, brownish-black, brown
Eye Agatecommonmineral · Mohs 6.5-7white, gray, brown- No imageEyseliteraremineral · Mohs 3yellow, yellow-orange, brown
Fairburn Agateraremineral · Mohs 6.5-7red, yellow, brown- No imageFairfield Agatecommonmineral · Mohs 6.5-7brown, tan, white
- No imageFairhill Agatecommonmineral · Mohs 6.5-7red, yellow, orange
- No imageFairy Stonecommonmineral · Mohs 7-7.5brown, reddish-brown, black
- No imageFalgariteraremineral · Mohs 3-4white, yellow, brown
Favositescommonfossil · Mohs 3-4gray, tan, brown
Fayaliteuncommonmineral · Mohs 6.5-7yellow, yellow-green, brown
Feitknechtiteraremineral · Mohs 2.5brown, black, orange-brown- No imageFeklicheviteraremineral · Mohs 5yellow, brown, reddish-brown
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