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 1081–1200 of 1338 brown rocks (page 10 of 12).
Shark Teethcommonfossil · Mohs 3-5black, brown, gray
Sharyginiteraremineral · Mohs 5-6black, brown
Shcherbakoviteraremineral · Mohs 5-6reddish-brown, brown, yellow-brown- No imageSheldrickiteraremineral · Mohs 3yellow, yellow-orange, brown
- No imageShirozuliteraremineral · Mohs 2.5-3brown, dark brown
Shkatulkaliteraremineral · Mohs 4-5yellow, brown, yellowish-brown
Shocked Quartzraremineral · Mohs 7clear, white, gray- No imageShosanbetsuiteraremineral · Mohs 3.5-4white, colorless, yellow
- No imageShulamititeraremineral · Mohs 5-6black, brown
Sideritecommonmineral · Mohs 3.5-4yellow, brown, gray
Siderophylliteuncommonmineral · Mohs 2.5-3black, brown, dark brown
Sigismunditeraremineral · Mohs 4yellow-brown, brown, dark brown
Silesiaiteraremineral · Mohs 6.5-7yellow, brown, greenish- No imageSiliceous Oolitecommonsedimentary · Mohs 6.5-7white, gray, tan
- No imageSilicified Agatecommonfossil · Mohs 6.5-7multicolored, white, gray
Silicified Algaecommonfossil · Mohs 6.5-7tan, brown, gray- No imageSilicified Conodontsuncommonfossil · Mohs 7amber, brown, white
Silicified Coralcommonfossil · Mohs 6.5-7white, gray, brown- No imageSilicified Cycad Wooduncommonfossil · Mohs 6.5-7brown, tan, white
- No imageSilicified Dinosaur Boneuncommonfossil · Mohs 6.5-7red, brown, black
- No imageSilicified Fernscommonfossil · Mohs 6.5-7brown, black, gray
Silicified Fossilscommonfossil · Mohs 6.5-7brown, red, yellow- No imageSilicified Lignitecommonfossil · Mohs 6.5-7brown, black, gray
- No imageSilicified Mastodon Tusksrarefossil · Mohs 6.5-7white, cream, tan
- No imageSilicified Oolitecommonfossil · Mohs 6.5-7white, gray, brown
- No imageSilicified Palm Woodcommonfossil · Mohs 6.5-7brown, tan, black
- No imageSilicified Pine Conesuncommonfossil · Mohs 6.5-7brown, tan, gray
- No imageSilicified Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Silléniteraremineral · Mohs 3.5-4yellow, yellowish-orange, brown
Sillimanitecommonmineral · Mohs 6.5-7.5white, colorless, gray
Siltstonecommonsedimentary · Mohs 3-4gray, red, brown
Simpsoniteraremineral · Mohs 6-7yellow, brown, colorless
Sinhaliteraremineral · Mohs 6.5-7yellow, brown, greenish-brown
Skarncommonmetamorphic · Mohs 5-7green, brown, black
Slatecommonmetamorphic · Mohs 2.5-4gray, black, green- No imageSmirnovskiteraremineral · Mohs 4-5yellow, brown
Smithsonitecommonmineral · Mohs 4-4.5white, gray, green
Smoky Quartzcommonmineral · Mohs 7brown, gray, black
Smythiteraremineral · Mohs 3.5bronze, brown, gray- No imageSnakeskin Agatecommonmineral · Mohs 6.5-7white, gray, tan
Soapstonecommonmetamorphic · Mohs 1gray, green, white
Soboleviteraremineral · Mohs 4-5yellow, brown, colorless
Sphaleritecommonmineral · Mohs 3.5-4yellow, brown, black
Spheneuncommongemstone · Mohs 5-5.5yellow, green, brown- No imageSpherulitic Chertcommonmineral · Mohs 6.5-7white, gray, tan
Sponge Fossilcommonfossil · Mohs 2.5-7gray, white, tan
Spongescommonfossil · Mohs 3-5white, gray, brown- No imageSpringcreekiteraremineral · Mohs 5yellow, brown
Sputnik Aragonitecommonmineral · Mohs 3.5-4brown, tan, creamy white- No imageSrebrodolskiteraremineral · Mohs 5-6dark red, brown, black
- No imageSrilankiteraremineral · Mohs 7-8black, brown
Stannoiditeraremineral · Mohs 4bronze, brown, black
Starfish Fossiluncommonfossilgray, brown, tan
Staurolitecommonmineral · Mohs 7-7.5reddish-brown, brown, brownish-black
Staurolite Crosscommonmineral · Mohs 7-7.5brown, reddish-brown, yellowish-brown- No imageStavelotite-(La)raremineral · Mohs 5yellowish-brown, brown
Steacyiteraremineral · Mohs 5yellow, brown, gray
Steatitecommonmineral · Mohs 1gray, green, white
Steenstrupine-(Ce)raremineral · Mohs 4brown, black, yellow
Štěpiteraremineral · Mohs 3.5yellow, yellow-green, brown
Stetefeldtiteraremineral · Mohs 3.5-4.5brown, black, yellowish-brown- No imageStetindite-(Ce)raremineral · Mohs 4-5brown, yellowish-brown
Stibiocolumbiteraremineral · Mohs 5-5.5yellow, brown, greenish-yellow
Stibiotantaliteraremineral · Mohs 5-5.5yellow, brown, tan
Stilbitecommonmineral · Mohs 3.5-4white, colorless, yellow
Stilbite-Cacommonmineral · Mohs 3.5-4white, colorless, yellow- No imageStilbite-Nacommonmineral · Mohs 3.5-4white, yellow, pink
Stolziteraremineral · Mohs 2.5-3red, orange, yellow- No imageStony Meteoriterarefossil · Mohs 5-7gray, brown, black
- No imageStony-Iron Meteoriterarefossil · Mohs 5-6brown, metallic, yellow
- No imageStripped Agatecommonmineral · Mohs 6.5-7white, gray, blue
- No imageStromatoporioidscommonfossil · Mohs 3-5tan, brown, gray
Strontio-orthojoaquiniteraremineral · Mohs 5yellow, brown, amber
Strontiojoaquiniteraremineral · Mohs 5yellow, brown, orange-brown- No imageStrontioruiziteraremineral · Mohs 3.5orange, brown
Strunziteraremineral · Mohs 3.5-4yellow, yellowish-brown, brown
Sturmaniteraremineral · Mohs 2.5yellow, yellow-orange, brown
Sueviteuncommonigneous · Mohs 5-6gray, brown, greenish
Sunstoneuncommongemstone · Mohs 6-6.5orange, red, gold
Sursassiteraremineral · Mohs 6.5-7reddish-brown, brown
Svabiteraremineral · Mohs 5colorless, white, yellow
Svanbergiteuncommonmineral · Mohs 4.5-5colorless, white, yellow- No imageSveinbergeiteraremineral · Mohs 3yellow, brown
Swedenborgiteraremineral · Mohs 8colorless, white, yellow- No imageSweetwater Agatecommonmineral · Mohs 6.5-7clear, white, gray
Switzeriteraremineral · Mohs 2yellow, brown, orange-brown
Symplesiteraremineral · Mohs 1.5-2blue, blue-green, green
Synadelphiteraremineral · Mohs 4.5brown, reddish-brown, yellowish-brown
Synchysite-(Ce)uncommonmineral · Mohs 4.5yellow, brown, gray- No imageSynchysite-(Nd)raremineral · Mohs 4.5yellow, brown, colorless
Synchysite-(Y)raremineral · Mohs 4.5yellow, brown, colorless
Szaibélyiteuncommonmineral · Mohs 3.5white, gray, yellowish
Tabbyiteuncommonmineral · Mohs 2-3black, brown
Tabulate Coralcommonfossil · Mohs 5-7tan, brown, gray
Tadzhikite-(Ce)raremineral · Mohs 5-6yellow, brown, greenish-brown- No imageTaikaniteraremineral · Mohs 4yellow, brown
Tainioliteraremineral · Mohs 2.5-3colorless, white, brown- No imageTakanawaite-(Y)raremineral · Mohs 5-6yellow, brown, white
- No imageTamaiteraremineral · Mohs 6brown, yellow-brown, orange-brown
Taneyamaliteraremineral · Mohs 6yellowish-brown, brown, orange-brown- No imageTantalite-(Mg)raremineral · Mohs 6brown, black
Tantalite-(Mn)uncommonmineral · Mohs 6black, brown, reddish-brown
Tapiolite-(Mn)raremineral · Mohs 6-6.5black, reddish-brown, brown- No imageTarbagataiteraremineral · Mohs 5-6yellow, yellow-brown, brown
Tazheraniteraremineral · Mohs 6.5yellow, white, colorless- No imageTazzoliiteraremineral · Mohs 5-5.5brown, yellowish-brown
Tektitesuncommonfossil · Mohs 5.5-6.5black, brown, olive green- No imageTelluroperiteraremineral · Mohs 2.5yellow, yellow-orange, brown
- No imageTelyushenkoiteraremineral · Mohs 5-6yellow, brown
Teredo Petrified Woodcommonfossil · Mohs 6.5-7brown, tan, gray- No imageTetraferriphlogopiteuncommonmineral · Mohs 2.5-3brown, dark brown, yellowish-brown
Tetrawickmaniteraremineral · Mohs 4yellow, yellow-orange, brown- No imageTexas Bouquet Agatecommonmineral · Mohs 6.5-7white, pink, red
- No imageThadeuiteraremineral · Mohs 5yellowish-brown, brown
- No imageThalliumpharmacosideriteraremineral · Mohs 2.5yellow, yellowish-green, brown
Thomsenoliteraremineral · Mohs 2colorless, white, pale yellow
Thomsoniteuncommonmineral · Mohs 5-5.5white, pink, green- No imageThomsonite Nodulesuncommonmineral · Mohs 5-5.5white, pink, green
Thomsonite-Cauncommonmineral · Mohs 5-5.5white, pink, green- No imageThomsonite-Sruncommonmineral · Mohs 5-5.5white, colorless, yellow
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