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 121–240 of 1338 brown rocks (page 2 of 12).
Bendadaiteraremineral · Mohs 3.5-4dark green, brown
Benyacariteraremineral · Mohs 3yellow, brown
Berauniteuncommonmineral · Mohs 3.5-4reddish-brown, brown, dark red
Bermaniteraremineral · Mohs 3.5reddish-brown, brown, orange-brown
Berndtiteraremineral · Mohs 1-2black, brown
Berzeliiteraremineral · Mohs 5yellow, yellowish-orange, brown- No imageBetpakdalite-FeFeraremineral · Mohs 2-3yellow, yellow-orange, brown
Beudantiteuncommonmineral · Mohs 3.5-4.5brown, yellow, green
Beusiteraremineral · Mohs 4.5-5brown, yellow-brown, black- No imageBeusite-(Ca)raremineral · Mohs 4-5brown, yellow-brown, dark brown
Biggs Jaspercommonmineral · Mohs 6.5-7tan, brown, cream
Bindheimiteuncommonmineral · Mohs 4-4.5yellow, orange, brown
Binghamiteraremineral · Mohs 7red, brown, gold- No imageBiraite-(Ce)raremineral · Mohs 4yellow, brown
Bismutocolumbiteraremineral · Mohs 5-6brown, black, yellowish-brown
Bismutoferriteraremineral · Mohs 3.5-4yellow, greenish-yellow, olive-green
Bismutotantaliteraremineral · Mohs 5.5yellowish-brown, brown, black
Bison Skullcommonfossil · Mohs 3-5white, brown, tan
Bityiteraremineral · Mohs 3.5-4white, yellow, colorless
Bivalve Fossilcommonfossil · Mohs 3-5tan, brown, gray
Blakeiteraremineral · Mohs 3-4reddish brown, brown
Blastoidcommonfossilgray, brown, white
Bobfergusoniteraremineral · Mohs 4reddish brown, brown- No imageBobtrailliteraremineral · Mohs 3-4yellow, brown
- No imageBoji Stonescommonmineral · Mohs 3.5-4brown, gray, black
Botswana Agatecommonmineral · Mohs 6.5-7gray, white, brown
Boulder Opaluncommongemstone · Mohs 5.5-6.5black, white, gray
Braccoiteraremineral · Mohs 3.5yellow, brown
Brachiopodcommonfossilgray, brown, white
Brain Coralcommonfossil · Mohs 3-4white, tan, brown- No imageBrauneriteraremineral · Mohs 3.5-4brown, yellowish-brown
Brazilian Agatecommonmineral · Mohs 6.5-7gray, white, brown
Brecciacommonsedimentary · Mohs 3-7gray, brown, red
Brecciated Jaspercommonmineral · Mohs 6.5-7red, brown, yellow
Brewsterite-Bararemineral · Mohs 5white, yellow, gray- No imageBrezinaiteraremineral · Mohs 3.5-4bronze, brown
Bridgmaniteraremineral · Mohs 6-6.5brown, yellow-brown
Britholite-(Ce)raremineral · Mohs 5.5brown, tan, reddish-brown
Britholite-(Y)raremineral · Mohs 5-5.5brown, yellow, gray
Bronzitecommonmineral · Mohs 5.5-6brown, bronze, greenish-brown
Brookiteuncommonmineral · Mohs 5.5-6reddish-brown, brown, black- No imageBrown Jaspercommonmineral · Mohs 6.5-7brown, tan, chocolate
- No imageBrown Sapphirecommongemstone · Mohs 9brown, golden brown, reddish brown
- No imageBrown Tourmalinecommonmineral · Mohs 7-7.5brown, dark brown, yellowish-brown
- No imageBrown Zirconcommongemstone · Mohs 7.5brown, reddish-brown, yellowish-brown
Bruneau Canyon Jasperuncommonmineral · Mohs 6.5-7brown, cream, tan
Bruneau Jasperuncommonfossil · Mohs 6.5-7red, brown, cream
Bryozoancommonfossil · Mohs 3-5white, gray, tan- No imageBuchwalditeraremineral · Mohs 3.5yellow, brown, colorless
- No imageBuseckiteraremineral · Mohs 3.5-4black, brown
- No imageBusseniteraremineral · Mohs 3-4yellow, brown
Bussyite-(Ce)raremineral · Mohs 5-6yellow, yellowish-brown, brown- No imageBussyite-(Y)raremineral · Mohs 5yellow, brown, colorless
Byelorussite-(Ce)raremineral · Mohs 4-5yellow, brown- No imageBykovaiteraremineral · Mohs 4yellow, brown, yellowish-brown
- No imageByzantieviteraremineral · Mohs 4-5yellowish-brown, brown
- No imageCacotrichiteraremineral · Mohs 5-5.5yellow, golden-yellow, brown
Cacoxeniteuncommonmineral · Mohs 3-4yellow, golden-yellow, orange
Cadwaladeriteraremineral · Mohs 2yellow, brown, colorless
Cafetiteraremineral · Mohs 3-4yellow, brown, colorless
Calaminecommonmineral · Mohs 4.5-5white, colorless, blue- No imageCalcified Coralcommonfossil · Mohs 3-4white, brown, tan
Calcioancylite-(Ce)raremineral · Mohs 4-4.5yellow, brown, tan
Calcioancylite-(Nd)raremineral · Mohs 4-4.5yellow, brown, pink
Calciohilairiteraremineral · Mohs 4yellow, brown, colorless- No imageCalciomurmaniteraremineral · Mohs 3-4pink, brown, lavender
Calcitecommonmineral · Mohs 3white, colorless, yellow- No imageCalcite Nodulescommonmineral · Mohs 3white, yellow, gray
- No imageCalcite Onyxcommonmineral · Mohs 3white, brown, tan
Calderiteraremineral · Mohs 7-7.5reddish-brown, brown, orange-brown
Calkinsite-(Ce)raremineral · Mohs 2.5yellow, brown, white
Calomelraremineral · Mohs 1.5-2white, yellowish-white, gray
Calymenecommonfossilgray, brown, tan- No imageCámaraiteraremineral · Mohs 3.5yellow, brown
- No imageCantera Opalcommongemstone · Mohs 5.5-6.5orange, red, yellow
Cappelenite-(Y)raremineral · Mohs 6.5greenish-brown, brown, yellowish-brown
Carbonatiterareigneous · Mohs 3-4white, gray, tan- No imageCarlgieseckeite-(Nd)raremineral · Mohs 4-5reddish-brown, brown
Carlosturaniteraremineral · Mohs 2.5brown, greenish-brown, black- No imageCarmichaeliteraremineral · Mohs 6.5-7brown, reddish-brown, black
- No imageCaryiniteraremineral · Mohs 3.5yellow, yellowish-brown, brown
- No imageCaryochroiteraremineral · Mohs 3-4brown, reddish-brown
Caryopiliteraremineral · Mohs 3-4brown, yellow-brown, red-brown
Cassiteritecommonmineral · Mohs 6-7black, brown, reddish-brown
Cat's Eye Quartzuncommongemstone · Mohs 7gray, yellow, green
Catapleiiteuncommonmineral · Mohs 5.5-6colorless, white, yellow
Catlinitecommonsedimentary · Mohs 2.5-3red, reddish-brown, brown
Cave Pearlscommonmineral · Mohs 3white, cream, gray- No imageCayalsite-(Y)raremineral · Mohs 6.5black, brownish-black, brown
Cebaite-(Ce)raremineral · Mohs 4.5yellow, brown, colorless
Cerchiaraite-(Al)raremineral · Mohs 4yellow, brown, colorless
Cerchiaraite-(Fe)raremineral · Mohs 4yellow, brown- No imageCerchiaraite-(Mn)raremineral · Mohs 4yellow, brown, orange-brown
Cerite-(CeCa)raremineral · Mohs 5.5brown, reddish-brown, gray
Cerussitecommonmineral · Mohs 3-3.5colorless, white, gray
Chabazitecommonmineral · Mohs 4-5white, colorless, pink- No imageChabazite-Kuncommonmineral · Mohs 4-5white, colorless, yellow
Chalcedonycommonmineral · Mohs 6.5-7white, gray, blue- No imageChalcedony Geodecommonmineral · Mohs 6.5-7white, gray, blue
- No imageChalcedony Nodulescommonmineral · Mohs 6.5-7white, gray, blue
- No imageCharleshatchettiteraremineral · Mohs 4-5yellow, brown, white
Charnockitecommonigneous · Mohs 6-7gray, greenish, brown- No imageCheraliteraremineral · Mohs 5yellow, brown, greenish-yellow
Chertcommonmineral · Mohs 6.5-7white, gray, brown- No imageChert Nodulescommonmineral · Mohs 6.5-7gray, brown, black
Chestermaniteraremineral · Mohs 6black, brown
Chiavenniteraremineral · Mohs 5yellow, yellowish-orange, brown
Childreniteuncommonmineral · Mohs 5yellow, brown, reddish-brown- No imageChirvinskyiteraremineral · Mohs 3-4yellow, yellowish-brown, brown
Chlorargyriteuncommonmineral · Mohs 1.5-2.5white, gray, yellow- No imageChlorkyuygeniteraremineral · Mohs 5-6yellow, brown
Chlorophoeniciteraremineral · Mohs 3-3.5pink, reddish-pink, yellowish-orange
Chondritecommonigneous · Mohs 5-6gray, brown, black
Chondroditeuncommonmineral · Mohs 6-6.5yellow, orange, brown- No imageChristofschäferite-(Ce)raremineral · Mohs 5yellow, brown
Chrysoberyluncommonmineral · Mohs 8.5yellow, yellow-green, brown
Chrysocollacommonmineral · Mohs 2-4blue, blue-green, green
Ciprianiiteraremineral · Mohs 5-6pink, brown, yellowish-brown- No imageClam Geodecommonfossil · Mohs 6.5-7white, gray, brown
Clarkeiteraremineral · Mohs 4reddish-brown, brown, yellowish-orange
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