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 361–480 of 1176 brown rocks (page 4 of 10).
Fersmaniteraremineral · Mohs 5.5brown, yellowish-brown, reddish-brown
Fersmiteraremineral · Mohs 4-4.5black, brownish-black, brown
Feruviteraremineral · Mohs 7-7.5black, brown
Fibrolitecommonmineral · Mohs 6.5-7.5white, colorless, gray
Finger Coralcommonfossil · Mohs 3-4white, tan, brown
Fire Agateuncommongemstone · Mohs 6.5-7red, brown, orange
Fish Fossilcommonfossil · Mohs 3-5brown, tan, gray- No imageFlamiteraremineral · Mohs 5-5.5yellow, brown, colorless
- No imageFlinkiteraremineral · Mohs 5brown, brownish-red, yellowish-brown
Flintcommonmineral · Mohs 7gray, black, brown
Flint Nodulecommonmineral · Mohs 7gray, black, brown
Florencite-(Ce)uncommonmineral · Mohs 5-6yellow, brown, pink
Florencite-(La)raremineral · Mohs 5-6white, colorless, yellow
Florencite-(Nd)raremineral · Mohs 5-6pink, brown, yellow- No imageFlorencite-(Sm)raremineral · Mohs 5-6yellow, brown, colorless
- No imageFlower Jaspercommonmineral · Mohs 6.5-7pink, white, red
Fluocerite-(Ce)raremineral · Mohs 4.5-5yellow, reddish-yellow, brown- No imageFluocerite-(La)raremineral · Mohs 4.5-5red, yellow, brown
- No imageFluor-buergeriteraremineral · Mohs 7brown, dark brown
Fluor-draviteraremineral · Mohs 7-7.5brown, yellow-brown, dark brown
Fluor-liddicoatiteraremineral · Mohs 7-7.5multicolored, pink, green
Fluor-uviteuncommonmineral · Mohs 7brown, yellow-brown, dark green
Fluorapatitecommonmineral · Mohs 5colorless, white, yellow- No imageFluorbritholite-(Ce)raremineral · Mohs 5-5.5brown, reddish-brown, yellow
- No imageFluorbritholite-(Y)raremineral · Mohs 5-5.5yellow, brown, reddish-brown
- No imageFluorcalciobritholiteraremineral · Mohs 5brown, yellow, gray
Fluorcalciopyrochloreraremineral · Mohs 5-5.5brown, yellowish-brown, reddish-brown
Fluorcalcioroméiteraremineral · Mohs 5.5yellow, brown, yellowish-brown- No imageFluorescent Villiaumiteraremineral · Mohs 2-2.5red, pink, carmine
Fluornatropyrochloreraremineral · Mohs 5-5.5yellow, brown, reddish-brown- No imageFluoro-cannilloiteraremineral · Mohs 5-6brown, yellow-brown
Fluoro-edeniteraremineral · Mohs 5-6white, gray, pale green
Fluoro-richteriteraremineral · Mohs 5-6white, brown, yellow
Fluorophlogopiteuncommonmineral · Mohs 2.5-3colorless, white, yellow- No imageFluorotetraferriphlogopiteraremineral · Mohs 2.5-3brown, yellowish-brown, dark brown
Fogoite-(Y)raremineral · Mohs 5-6yellow, brown, colorless
Formanite-(Y)raremineral · Mohs 5.5-6.5yellow, brown, reddish-brown
Fornaciteraremineral · Mohs 3yellow, yellow-green, brown
Fort Payne Chertcommonmineral · Mohs 6.5-7white, gray, brown
Fossilcommonfossil · Mohs 3-7brown, gray, white
Fossil Coralcommonfossil · Mohs 6.5-7white, tan, brown
Fossil Insectuncommonfossil · Mohs 1-3brown, amber, black
Fossil Leafcommonfossil · Mohs 2-4brown, black, gray
Fossil Leaf Printcommonfossil · Mohs 2-4brown, tan, black
Fossil Plantcommonfossilbrown, black, gray
Fossil Spiderrarefossilamber, brown, black
Fossilized Coralcommonfossil · Mohs 6.5-7white, gray, brown
Fossilized Ferncommonfossil · Mohs 3-6black, brown, gray
Fossilized Horse Bonecommonfossil · Mohs 3-6brown, tan, white
Fossilized Ivoryuncommonfossil · Mohs 2.5-3white, cream, yellow- No imageFossilized Quarrycommonfossilbrown, tan, gray
Fossilized Shark Toothcommonfossil · Mohs 3-5black, gray, brown
Fossilized Shellcommonfossil · Mohs 3-5white, gray, brown
Fossilized Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Francolitecommonmineral · Mohs 5white, gray, yellow
Fredrikssoniteraremineral · Mohs 6yellow, brown, orange-brown
Freudenbergiteraremineral · Mohs 5-6brown, black
Friedeliteraremineral · Mohs 4-5pink, brown, red
Frondeliteraremineral · Mohs 3.5-4yellow, brown, orange-brown
Fulguriteuncommonmineral · Mohs 6.5-7white, gray, tan
Gagarinite-(Y)raremineral · Mohs 4.5white, yellow, pink
Gahniteuncommonmineral · Mohs 7.5-8dark green, blue-green, yellow
Gaidonnayiteraremineral · Mohs 5white, yellow, brown- No imageGallobeudantiteraremineral · Mohs 3.5-4yellow, greenish-yellow, brown
Galloplumbogummiteraremineral · Mohs 4-5yellow, brown, white- No imageGananiteraremineral · Mohs 3brown, black, greenish black
- No imageGanophylliteraremineral · Mohs 3-4brown, yellowish-brown
Garnetcommonmineral · Mohs 6.5-7.5red, green, yellow
Garnet Schistcommonmetamorphic · Mohs 3-7gray, brown, silver- No imageGasparite-(La)raremineral · Mohs 5yellow, brown, white
Gastrolithuncommonfossilvariable, brown, gray
Gastropodcommonfossil · Mohs 3-5white, brown, gray
Gastropod Fossilcommonfossilbrown, gray, white- No imageGebharditeraremineral · Mohs 2-3brown
Gedriteuncommonmineral · Mohs 5-6brown, gray, green
Geodecommonsedimentary · Mohs 7white, gray, brown
Georgbarsanoviteraremineral · Mohs 5-6yellow, brown
Gerasimovskiteraremineral · Mohs 2brown, yellowish-brown, yellow
Gerdtremmeliteraremineral · Mohs 3brown, yellowish brown, dark brown
Gerstleyiteraremineral · Mohs 1.5-2red, orange, brown- No imageGjerdingenite-Cararemineral · Mohs 5yellow, brown, orange
Gjerdingenite-Feraremineral · Mohs 5yellow, brown, orange-brown- No imageGjerdingenite-Mnraremineral · Mohs 5brown, yellow-brown, red-brown
Goethitecommonmineral · Mohs 5-5.5yellowish-brown, reddish-brown, black
Golden Jaspercommonmineral · Mohs 6.5-7yellow, gold, brown
Goniatitecommonfossil · Mohs 3-4brown, gray, black
Gonyeriteraremineral · Mohs 2-3yellow, yellowish-brown, brown
Gorceixiteuncommonmineral · Mohs 4.5-5.5white, colorless, yellow
Gottlobiteraremineral · Mohs 5-5.5yellowish-brown, brown, dark brown
Goyaziteuncommonmineral · Mohs 5colorless, white, yellow
Graftoniteraremineral · Mohs 5salmon-pink, brown, reddish-brown- No imageGraftonite-(Ca)raremineral · Mohs 5pinkish-brown, brown, flesh-red
- No imageGraftonite-(Mn)raremineral · Mohs 5salmon-pink, brownish-red, brown
- No imageGrandaiteraremineral · Mohs 6-6.5bright orange, salmon, brown
Greenockiteuncommonmineral · Mohs 3-3.5yellow, orange, brown- No imageGrenmariteraremineral · Mohs 5-6yellow, brown
Griphiteraremineral · Mohs 5.5brown, yellowish-brown, dark brown
Grischuniteraremineral · Mohs 4reddish-brown, brown
Grossularcommonmineral · Mohs 6.5-7.5green, brown, yellow
Grossular Garnetcommonmineral · Mohs 6.5-7.5green, yellow, orange
Grossularite Garnetcommonmineral · Mohs 6.5-7.5green, yellow, brown
Gruneritecommonmineral · Mohs 5-6brown, greenish-brown, gray- No imageGutkovaite-Mnraremineral · Mohs 5yellow, yellowish-brown, brown
Haapalaiteraremineral · Mohs 1-2bronze-yellow, brown
Hafnonraremineral · Mohs 7.5colorless, brown, yellow
Hainite-(Y)raremineral · Mohs 5-6yellow, brown, orange
Hanaueriteraremineral · Mohs 3.5-4yellow, brown, black
Hancockiteraremineral · Mohs 6-7reddish-brown, brown, black
Harmotomeuncommonmineral · Mohs 4.5white, gray, yellowish
Hechtsbergiteraremineral · Mohs 4.5brown
Hellandite-(Y)raremineral · Mohs 5.5brown, yellowish-brown, reddish-brown
Hemimorphitecommonmineral · Mohs 4.5-5colorless, white, blue
Hennomartiniteraremineral · Mohs 4pink, brown
Henritermieriteraremineral · Mohs 6brown, reddish-brown
Herderiteraremineral · Mohs 5-5.5colorless, white, yellow
Heulanditecommonmineral · Mohs 3.5-4white, colorless, yellow- No imageHeulandite-Bararemineral · Mohs 3.5-4white, colorless, yellow
Heulandite-Cacommonmineral · Mohs 3.5-4white, colorless, pink- No imageHeulandite-Kuncommonmineral · Mohs 3.5-4white, colorless, pink
- No imageHeulandite-Nacommonmineral · Mohs 3-4white, colorless, yellow
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