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 1201–1320 of 1338 brown rocks (page 11 of 12).
Thorbastnäsiteraremineral · Mohs 4-4.5yellow, brown, colorless- No imageThoreauliteraremineral · Mohs 5.5yellow, brown, colorless
Thoriteraremineral · Mohs 4.5-5black, brown, orange
Thoriumraremineral · Mohs 6.5-7lead-gray, black, brown
Thorogummiteraremineral · Mohs 4-5yellowish-brown, brown, grayish-brown- No imageThorosteenstrupineraremineral · Mohs 4.5-5brown, yellow, reddish-brown
Thundereggscommonmineral · Mohs 6.5-7multicolored, brown, gray
Tienshaniteraremineral · Mohs 6.5yellow, brown, colorless
Tiettaiteraremineral · Mohs 3-4yellow, brown
Tiger's Eyecommonmineral · Mohs 7golden-yellow, brown, reddish-brown
Tinaksiteraremineral · Mohs 6orange, yellow-orange, brown
Tinzeniteraremineral · Mohs 6.5-7yellow, orange, brown
Titaniteuncommonmineral · Mohs 5-5.5yellow, brown, green
Titanoholtiteraremineral · Mohs 7-8brown, yellow-brown
Titanowodginiteraremineral · Mohs 5-6black, brown
Titantaramelliteraremineral · Mohs 5-6brown, yellowish-brown- No imageTokkoiteraremineral · Mohs 5-6yellow, brown, yellow-brown
Tokyoiteraremineral · Mohs 3.5-4yellow, yellowish-green, brown
Topazcommonmineral · Mohs 8yellow, brown, colorless- No imageTransjordaniteraremineral · Mohs 4-5red, brown, black
Traskiteraremineral · Mohs 4-5brown, reddish-brown
Travertinecommonsedimentary · Mohs 3-4white, tan, cream
Tremolitecommonmineral · Mohs 5-6white, gray, green
Trilobite Fossilscommonfossil · Mohs 3-5black, brown, gray
Trilobitescommonfossilbrown, gray, black- No imageTrimounsite-(Y)raremineral · Mohs 6-6.5yellow, brown, colorless
Triphyliteuncommonmineral · Mohs 4-4.5blue, blue-green, grayish-blue
Tripliteraremineral · Mohs 4-5.5brown, reddish-brown, orange-brown
Tristramiteraremineral · Mohs 3.5-4white, yellowish, brown- No imageTritomite-(Ce)raremineral · Mohs 5-6brown, dark brown, black
Tritomite-(Y)raremineral · Mohs 5.5brown, dark brown, reddish brown
Tronacommonmineral · Mohs 2.5-3white, gray, yellow- No imageTsepinite-Cararemineral · Mohs 5yellow, brown, colorless
- No imageTsepinite-Kraremineral · Mohs 5yellow, brown, orange
Tsepinite-Nararemineral · Mohs 5yellow, brown, colorless- No imageTsepinite-Srraremineral · Mohs 5-6yellow, brown, white
- No imageTsilaisiteraremineral · Mohs 7-7.5yellow, yellow-brown, brown
Tsumcoriteraremineral · Mohs 4.5yellow, brown, orange- No imageTube Agatecommonmineral · Mohs 6.5-7white, gray, blue
Tubulitecommonfossil · Mohs 3-4gray, brown, white
Tufacommonsedimentary · Mohs 3white, gray, yellow
Tuffcommonigneous · Mohs 2-4white, gray, tan
Tugarinoviteraremineral · Mohs 4-5yellow, brown
Tuperssuatsiaiteraremineral · Mohs 2brown, yellowish-brown, reddish-brown- No imageTurkestaniteraremineral · Mohs 5yellow, brownish-yellow, brown
Turritella Agatecommonfossil · Mohs 6.5-7brown, tan, gray- No imageTurtmanniteraremineral · Mohs 4-5yellow, brown, reddish-brown
Tusioniteraremineral · Mohs 5-5.5yellow, brown, pink
Umbozeriteraremineral · Mohs 4brown, yellow, orange- No imageUranium Oreuncommonmineral · Mohs 5-6black, brown, gray
Uviteuncommonmineral · Mohs 7-7.5brown, green, yellow
Vanadiniteuncommonmineral · Mohs 3red, orange, brown- No imageVanadoallanite-(La)raremineral · Mohs 6-6.5black, brown
- No imageVanadomalayaiteraremineral · Mohs 5-5.5yellow, brown
- No imageVästmanlandite-(Ce)raremineral · Mohs 6-7brown, reddish-brown
Vermiculitecommonmineral · Mohs 1.5-2brown, yellow-brown, golden-yellow
Verplanckiteraremineral · Mohs 3-4brown, yellow-brown
Vertebrate Fossilscommonfossil · Mohs 3-6brown, tan, black- No imageVestaiteraremineral · Mohs 5-6black, brown
Vesuvianitecommonmineral · Mohs 6.5green, brown, yellow- No imageVicanite-(Ce)raremineral · Mohs 5yellow, yellow-brown, brown
- No imageVistepiteraremineral · Mohs 5.5yellow, brown, pinkish-brown
Vitusite-(Ce)raremineral · Mohs 3.5yellow, brown, pinkish-white
Volcanic Ashcommonigneousgray, brown, black
Voloshiniteraremineral · Mohs 2.5yellow, brown- No imageVránaiteraremineral · Mohs 5pink, orange, brown
Vuonnemiteraremineral · Mohs 2.5-3yellow, orange, brown
Vuorelaineniteraremineral · Mohs 6black, brown
Vuoriyarvite-Kraremineral · Mohs 5yellow, brown, colorless
Vyuntspakhkite-(Y)raremineral · Mohs 6.5-7yellow, brown, colorless
Wakefieldite-(Ce)raremineral · Mohs 4-5tan, yellow, brown
Wakefieldite-(La)raremineral · Mohs 4-5tan, yellow, brown
Wakefieldite-(Nd)raremineral · Mohs 4-5white, yellow, tan- No imageWakefieldite-(Y)raremineral · Mohs 4-5yellow, brown, tan
Wallkilldellite-(Fe)raremineral · Mohs 3red, brown, reddish-brown
Waterhouseiteraremineral · Mohs 4-5black, brown
Wavelliteuncommonmineral · Mohs 3.5-4white, yellow, green- No imageWeberiteraremineral · Mohs 3.5colorless, white, gray
- No imageWeliniteraremineral · Mohs 3.5yellow, brown
Welo Opaluncommongemstone · Mohs 5.5-6.5white, yellow, orange
Werdingiteraremineral · Mohs 7-7.5brown, tan, grayish-brown- No imageWernerbauriteraremineral · Mohs 3-4yellow, brown, reddish-brown
Whetstonecommonsedimentary · Mohs 5-7gray, white, brown
Whiteite-(CaFeMg)raremineral · Mohs 4yellow, brown, tan
Whiteite-(CaMgMg)raremineral · Mohs 4yellow, yellowish-brown, brown- No imageWhiteite-(CaMnMg)raremineral · Mohs 4yellow, yellowish-brown, brown
Whiteite-(CaMnMn)raremineral · Mohs 4brown, yellowish-brown, tan
Whiteite-(MnFeMg)raremineral · Mohs 4yellow, yellow-brown, brown
Whiteite-(MnMnMg)raremineral · Mohs 4yellow, yellow-brown, brown
Whitmoreiteraremineral · Mohs 2.5brown, yellow-brown, dark brown- No imageWickmaniteraremineral · Mohs 3-4yellow, yellow-brown, brown
Wicksiteraremineral · Mohs 4blue, blue-green, brown
Wildenaueriteraremineral · Mohs 4.5yellow, brown
Willemiteuncommonmineral · Mohs 5.5white, green, yellow
Wiluiteraremineral · Mohs 6yellow, green, brown
Wiseriteraremineral · Mohs 4yellow, brown, red-brown
Witheriteuncommonmineral · Mohs 3-3.5white, gray, yellow
Wöhleriteraremineral · Mohs 5.5-6yellow, brown, orange
Wolfeiteraremineral · Mohs 4-5brown, reddish-brown
Wolframiteuncommonmineral · Mohs 4-4.5brown, black, reddish-brown
Wonderstonecommonsedimentary · Mohs 6.5-7red, yellow, brown- No imageWonderstone Rhyolitecommonigneous · Mohs 5.5-6.5brown, tan, yellow
Wood Opalcommonfossil · Mohs 5.5-6.5brown, tan, gray- No imageWoodalliteraremineral · Mohs 2-3yellow, brown
Woodhouseiteraremineral · Mohs 4.5-5colorless, white, yellow
Wulfeniteuncommonmineral · Mohs 3orange, yellow, red- No imageWurtziliteraremineral · Mohs 3-4black, brown
Wurtziteuncommonmineral · Mohs 3.5-4brown, yellowish-brown, reddish-brown- No imageWuyanzhiiteraremineral · Mohs 3-4red, orange, brown
Xenotime-(Y)uncommonmineral · Mohs 4-5yellowish-brown, brown, reddish-brown
Yeatmaniteraremineral · Mohs 4reddish-brown, brown
Yoshimuraiteraremineral · Mohs 3-4yellow, brown, yellow-brown
Yowah Nutuncommonfossil · Mohs 5.5-6.5brown, red, green- No imageYttriaite-(Y)raremineral · Mohs 4-5brown, yellow, gray
Yttrotantalite-(Y)raremineral · Mohs 5-5.5black, brown, yellowish-brown
Yuksporiteraremineral · Mohs 5pink, red, brown
Yusupoviteraremineral · Mohs 5-6yellow, brown, white- No imageŻabińskiiteraremineral · Mohs 6.5yellow, brown
Zaïriteraremineral · Mohs 4-5yellow, yellowish-green, brown
Zakharoviteraremineral · Mohs 2-3yellow, brown
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