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 841–960 of 1338 brown rocks (page 8 of 12).
Nodulescommonsedimentarygray, brown, black- No imageNodules Filled With Opalcommonfossil · Mohs 5.5-6.5white, gray, brown
Nöggerathite-(Ce)raremineral · Mohs 4yellow, brown- No imageNolzeiteraremineral · Mohs 4brown, yellow-brown, pale yellow
Nontronitecommonmineral · Mohs 1.5-2yellow, green, yellowish-green
Norbergiteraremineral · Mohs 6-6.5yellow, orange, brown
Nordenskiöldineraremineral · Mohs 5-6yellow, brown, white- No imageNordite-(Ce)raremineral · Mohs 5-5.5yellow, brown, colorless
Normanditeraremineral · Mohs 5-6yellow, brown, reddish-brown
Norrishiteraremineral · Mohs 2.5-3red, brown
Northupiteuncommonmineral · Mohs 3.5-4white, gray, yellow
Noseanuncommonmineral · Mohs 5-5.5gray, blue, white- No imageOberthüriteraremineral · Mohs 3.5-4black, brown
- No imageObsidian Nodulescommonmineral · Mohs 5-5.5black, brown, gray
- No imageOchercommonmineral · Mohs 1-2yellow, brown, red
- No imageOchoco Jaspercommonfossil · Mohs 6.5-7red, orange, brown
Okanoganite-(Y)raremineral · Mohs 4-5yellow, brown, reddish-brown- No imageOkieitecommonmineral · Mohs 6.5-7yellow, brown, orange
Oldhamiteraremineral · Mohs 4yellowish-brown, brown, gray
Oliveniteuncommonmineral · Mohs 3olive-green, yellow-green, brown
Olmiiteraremineral · Mohs 5pink, brown, white- No imageOneilliteraremineral · Mohs 3-4brown, yellow-brown
Oolitecommonsedimentary · Mohs 3white, gray, tan- No imageOolitic Agatescommonmineral · Mohs 6.5-7white, gray, brown
Oolitic Limestonecommonsedimentary · Mohs 3white, tan, gray
Opalcommonmineral · Mohs 5.5-6.5white, black, colorless- No imageOpal-quartzcommonmineral · Mohs 6.5-7white, gray, brown
Opalized Woodcommonfossil · Mohs 5.5-6.5brown, red, yellow
Orbicular Jaspercommonmineral · Mohs 6.5-7green, yellow, brown
Ordoñeziteraremineral · Mohs 6-6.5yellowish brown, brown, dark brown- No imageOrganovaite-Mnraremineral · Mohs 5yellow, brown, pink
Organovaite-Znraremineral · Mohs 5yellow, brown, orange
Orientiteraremineral · Mohs 3.5-4brown, dark brown
Orthocerascommonfossil · Mohs 3-4black, brown, gray- No imageOrthojoaquinite-(Ce)raremineral · Mohs 5-5.5brown, yellowish-brown, orange-brown
- No imageOrthojoaquinite-(La)raremineral · Mohs 5-5.5yellow, brown, orange-brown
Osumiliteraremineral · Mohs 5-5.5blue, blue-violet, colorless- No imageOwyhee Jaspercommonmineral · Mohs 6.5-7blue, brown, cream
- No imageOwyhee Thundereggcommonmineral · Mohs 6.5-7blue, purple, white
Oxo-magnesio-hastingsiteraremineral · Mohs 5-6black, dark green, brown- No imageOxycalciomicroliteraremineral · Mohs 5-5.5yellow, brown, reddish-brown
Oxycalciopyrochloreraremineral · Mohs 5-5.5brown, yellowish-brown, black
Oxycalcioroméiteraremineral · Mohs 5-5.5yellow, brown, yellow-brown- No imageOxynatromicroliteraremineral · Mohs 5-5.5yellow, brown, colorless
- No imageOxyphlogopiteraremineral · Mohs 2.5-3brown, reddish-brown, dark-brown
- No imageOxyplumbopyrochloreraremineral · Mohs 5-5.5yellow, brown, reddish-brown
Oxyplumboroméiteraremineral · Mohs 5-5.5yellow, brown, colorless- No imageOxystannomicroliteraremineral · Mohs 5-5.5yellow, brown, reddish-brown
- No imageOxystibiomicroliteraremineral · Mohs 5-5.5yellow, brown, white
Ozokeriteuncommonmineral · Mohs 1yellow, brown, black- No imagePackratiteraremineral · Mohs 2.5yellow, orange, brown
- No imagePaganoiteraremineral · Mohs 4yellow, yellowish-green, brown
- No imagePalladiniteraremineral · Mohs 2yellow, orange, brown
Pallasiterareigneous · Mohs 5-6yellow, green, brown- No imageParageorgbokiiteraremineral · Mohs 3.5dark red, brown
- No imageParakuzmenkoite-Feraremineral · Mohs 5brown, yellow-brown
- No imageParalabuntsovite-Mgraremineral · Mohs 5-6yellow, orange, brown
Paralomonosoviteraremineral · Mohs 3-4brown, yellowish-brown, reddish-brown- No imageParatsepinite-Bararemineral · Mohs 5yellow, brown, colorless
- No imageParatsepinite-Nararemineral · Mohs 5yellow, brown, colorless
Pargasiteuncommonmineral · Mohs 5-6dark green, brown, black
Parisite-(Ce)raremineral · Mohs 4.5yellow, brown, reddish-brown- No imageParisite-(Nd)raremineral · Mohs 4.5yellow, brown, reddish-brown
Parsettensiteraremineral · Mohs 3-4reddish-brown, brown, orange-brown- No imagePaulscherreriteraremineral · Mohs 5-6brown, yellow-brown, black
- No imagePautoviteraremineral · Mohs 3.5yellow, brown, colorless
- No imagePecos Diamondscommonmineral · Mohs 7clear, colorless, red
Pellyiteraremineral · Mohs 6yellow, pale yellow, brown- No imagePenberthycroftiteraremineral · Mohs 3.5yellow, orange, brown
Pennantiteraremineral · Mohs 2brown, reddish-brown, orange-brown- No imagePercleveite-(Ce)raremineral · Mohs 5-6brown, reddish-brown
Periclaseraremineral · Mohs 5.5-6colorless, white, yellow
Periteraremineral · Mohs 2yellow, orange, brown
Perlitecommonigneous · Mohs 5-5.5gray, white, greenish
Perovskiteuncommonmineral · Mohs 5.5black, brown, yellow
Perthitecommonmineral · Mohs 6white, gray, pink- No imagePertlikiteraremineral · Mohs 7-7.5yellow, brown
- No imagePertsevite-(F)raremineral · Mohs 5-6brown, colorless, gray
Petarasiteraremineral · Mohs 5yellow, brown, colorless- No imagePetersite-(Ce)raremineral · Mohs 3-4yellow, brown, greenish
- No imagePetersite-(Y)raremineral · Mohs 3-4yellow, brown, greenish-yellow
Petoskey Stonescommonfossil · Mohs 3-4gray, brown, tan
Petrified Algaecommonfossil · Mohs 6.5-7tan, brown, gray- No imagePetrified Coralcommonfossil · Mohs 6.5-7white, gray, brown
Petrified Cycaduncommonfossil · Mohs 6.5-7brown, tan, black
Petrified Dinosaur Boneuncommonfossil · Mohs 6.5-7red, brown, yellow
Petrified Palmcommonfossil · Mohs 6.5-7brown, tan, black
Petrified Palm Woodcommonfossil · Mohs 6.5-7tan, brown, black
Petrified Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Phacopscommonfossil · Mohs 3-5brown, gray, black
Phantom Quartzcommonmineral · Mohs 7colorless, white, gray
Pharmacosideriteuncommonmineral · Mohs 2.5yellow, green, brown
Phenakiteraremineral · Mohs 7.5-8colorless, white, yellow
Phillipsitecommonmineral · Mohs 4-5white, colorless, yellow- No imagePhillipsite-Cacommonmineral · Mohs 4-4.5white, colorless, yellow
Phillipsite-Kcommonmineral · Mohs 4-5white, colorless, yellow
Phlogopitecommonmineral · Mohs 2.5-3brown, yellowish-brown, reddish-brown
Phosphohedyphaneraremineral · Mohs 4colorless, white, yellow- No imagePhosphoinneliteraremineral · Mohs 4-5yellow, brown
Phosphoritecommonsedimentary · Mohs 3-5gray, brown, black- No imagePhylloretineraremineral · Mohs 2yellow, brown, white
Picture Jaspercommonmineral · Mohs 6.5-7brown, tan, cream- No imagePieczkaiteraremineral · Mohs 5yellow, brown
- No imagePiergorite-(Ce)raremineral · Mohs 5.5yellow, brown, dark brown
Pietersiteuncommonmineral · Mohs 6.5-7blue, gold, brown
Pigeonitecommonmineral · Mohs 5.5-6brown, brownish-green, black- No imagePigotiteraremineral · Mohs 1-2brown, yellowish-brown
Pink Rhodonitecommonmineral · Mohs 5.5-6.5pink, reddish-pink, brown- No imagePísekite-(Y)raremineral · Mohs 5-6black, brown, yellowish-brown
Pitticiteuncommonmineral · Mohs 2-3yellow, brown, yellowish-brown
Plant Fossilcommonfossilbrown, black, gray- No imagePliniusiteraremineral · Mohs 3.5yellow, orange, brown
Plumbogummiteuncommonmineral · Mohs 4-5colorless, white, gray
Plumbojarositeuncommonmineral · Mohs 2.5-3.5yellow, yellowish-brown, brown
Plume Agatecommonmineral · Mohs 6.5-7white, gray, brown
Poldervaartiteraremineral · Mohs 5colorless, white, pink- No imagePolezhaevaite-(Ce)raremineral · Mohs 4-4.5yellow, brown
- No imagePolyakovite-(Ce)raremineral · Mohs 5-6black, brown
- No imagePolyphiteraremineral · Mohs 5-6yellow, brown, reddish-brown
- No imagePompom Agatecommonmineral · Mohs 6.5-7white, gray, brown
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