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 961–1080 of 1338 brown rocks (page 9 of 12).
Poppy Jaspercommonmineral · Mohs 6.5-7red, yellow, brown
Potassic-ferro-pargasiteraremineral · Mohs 5-6black, dark green, brown- No imagePotassic-fluoro-richteriteraremineral · Mohs 5-6yellow, brown, green
- No imagePotassic-richteriteraremineral · Mohs 5-6brown, yellow-brown, green
- No imagePotomac Marblecommonsedimentary · Mohs 3-4red, green, brown
Powelliteuncommonmineral · Mohs 3.5yellow, brown, greenish-yellow
Prairie Agatecommonmineral · Mohs 6.5-7yellow, brown, orange
Preisingeriteraremineral · Mohs 2.5yellow, yellowish-green, brown- No imagePriday Plume Agatecommonmineral · Mohs 6.5-7red, pink, white
Priday Thundereggcommonfossil · Mohs 6.5-7red, brown, white
Pringleiteraremineral · Mohs 3.5yellow, brown
Prismatineraremineral · Mohs 6.5-7green, brown, blue
Proshchenkoite-(Y)raremineral · Mohs 5yellowish-brown, brown
Proto-anthophylliteraremineral · Mohs 5.5-6gray, brown, green- No imageProto-ferro-anthophylliteraremineral · Mohs 5-6brown, greenish-brown, dark gray
- No imageProtozoa Agateuncommonfossil · Mohs 6.5-7brown, red, yellow
Pseudorutileuncommonmineral · Mohs 5-6reddish-brown, brown, black
Puddingstonecommonsedimentarymulticolored, gray, red- No imagePumpellyite-(Fe3+)uncommonmineral · Mohs 5.5-6green, brown, black
Pumpellyite-(Mg)uncommonmineral · Mohs 5.5green, blue-green, brown
Pumpellyite-(Mn2+)raremineral · Mohs 6brownish red, brown, reddish brown
Purpuriteuncommonmineral · Mohs 4-4.5deep purple, violet, brown- No imagePyatenkoite-(Y)raremineral · Mohs 4yellow, brown, white
- No imagePyritized Gastropodsuncommonfossil · Mohs 3.5-4brass yellow, gold, brown
Pyroauriteuncommonmineral · Mohs 2.5yellow, brown, white
Pyrochroiteuncommonmineral · Mohs 2.5yellow, brown, white
Pyromorphiteuncommonmineral · Mohs 3.5-4green, yellow, brown
Pyrophyllitecommonmineral · Mohs 1-2white, gray, pale green
Pyrosmalite-(Fe)raremineral · Mohs 4.5brown, dark brown, yellowish-brown
Pyrosmalite-(Mn)raremineral · Mohs 4-4.5brown, brownish-red, yellowish-brown
Pyroxenecommonmineral · Mohs 5-6black, dark green, brown
Pyroxenitecommonigneous · Mohs 5-7dark green, brown, black
Pyroxferroiteraremineral · Mohs 5.5brown, amber, tan
Pyroxmangiteraremineral · Mohs 5.5-6pink, reddish-brown, brown
Pyrrhotitecommonmineral · Mohs 3.5-4.5bronze, brown, red-brown
Qingheiiteraremineral · Mohs 5yellow, yellowish green, brown- No imageQuadruphiteraremineral · Mohs 4-5yellow, brown, colorless
Quartzcommonmineral · Mohs 7colorless, white, gray- No imageQuartz Concretionscommonmineral · Mohs 7white, gray, brown
- No imageRaadeiteraremineral · Mohs 4-5yellow, brown, colorless
- No imageRadioactive Mineralsuncommonmineral · Mohs 1-6yellow, green, black
- No imageRainforest Jaspercommonmineral · Mohs 6.5-7green, brown, cream
Raiteraremineral · Mohs 2-3yellow, brown, orange-yellow- No imageRamanite-(Cs)raremineral · Mohs 6-7yellow, brown, colorless
- No imageRamanite-(Rb)raremineral · Mohs 3.5brown, yellowish-brown
Rambergiteraremineral · Mohs 3-4pink, red, brown
Ramikite-(Y)raremineral · Mohs 4.5yellow, brownish-yellow, brown
Raslakiteraremineral · Mohs 5-6yellow, brown, pink
Raspiteraremineral · Mohs 2.5-3yellow, yellowish-brown, brown
Red Cassiteriteraremineral · Mohs 6-7red, brown, black
Red Silicified Coralcommonfossil · Mohs 6.5-7red, brown, orange
Reddingiteraremineral · Mohs 3-3.5pink, brownish-pink, yellowish-white
Redledgeiteraremineral · Mohs 6-7red, brown, black- No imageReederite-(Y)raremineral · Mohs 3.5yellow, yellow-brown, brown
Rémondite-(Ce)raremineral · Mohs 4yellow, brown, colorless
Rémondite-(La)raremineral · Mohs 3.5-4yellow, brown, colorless
Retzian-(Ce)raremineral · Mohs 4reddish brown, brown- No imageRetzian-(La)raremineral · Mohs 4brown, reddish-brown
- No imageRetzian-(Nd)raremineral · Mohs 4brown, reddish-brown
Reyeriteraremineral · Mohs 3-4white, colorless, pale yellow
Reynoldsiteraremineral · Mohs 3yellow, yellow-orange, brown
Rhabdophane-(Ce)uncommonmineral · Mohs 3.5white, yellow, pink
Rhabdophane-(Y)raremineral · Mohs 3.5white, gray, yellow
Rhodonitecommonmineral · Mohs 5.5-6.5pink, reddish-pink, brown- No imageRhodonite Nodulescommonmineral · Mohs 5.5-6.5pink, red, brown
Rhöniteraremineral · Mohs 5.5-6black, brown, dark brown
Richteriteuncommonmineral · Mohs 5-6brown, yellow, red
Rinkite-(Ce)raremineral · Mohs 5yellow, brown, yellow-brown
Rinkite-(Y)raremineral · Mohs 5yellow, brown, yellow-brown
Rinmaniteraremineral · Mohs 6yellow, brown
Rittmanniteraremineral · Mohs 4.5yellow, brown, reddish-brown
Rock Gypsumcommonmineral · Mohs 2white, gray, colorless
Rockbridgeiteuncommonmineral · Mohs 4.5dark green, brown, black
Rockcastle Conglomeratecommonsedimentary · Mohs 6-7gray, white, tan
Römeriteuncommonmineral · Mohs 3yellow, brown, reddish-brown
Röntgenite-(Ce)raremineral · Mohs 4.5yellow, brown, colorless
Roscheriteraremineral · Mohs 4.5green, brown, yellow- No imageRose Rockscommonmineral · Mohs 3-3.5reddish-brown, red, tan
Rosemaryiteraremineral · Mohs 4brown, yellow-brown, red-brown- No imageRoumaiteraremineral · Mohs 5-6black, brown
- No imageRowlandite-(Y)raremineral · Mohs 5green, brown, yellow
Royston Turquoiseuncommonmineral · Mohs 5-6blue, green, brown
Rugose Coralcommonfossil · Mohs 3-4white, gray, brown
Rusinoviteraremineral · Mohs 5yellow, brown, colorless
Rynersoniteraremineral · Mohs 4yellow, brown
Sagenite Agatecommonmineral · Mohs 6.5-7clear, white, yellow
Sakhaiteraremineral · Mohs 4white, colorless, yellow
Sand Dollar Fossilcommonfossil · Mohs 3white, tan, gray
Sandstonecommonsedimentary · Mohs 6-7tan, brown, yellow- No imageSandstone With Calcite Veinscommonsedimentary · Mohs 3-7tan, brown, red
Santabarbaraiteraremineral · Mohs 2.5brown, yellowish-brown, dark brown
Sapphirineraremineral · Mohs 7.5blue, blue-green, green- No imageSarcopsideraremineral · Mohs 4brown, reddish-brown, violet
Sarkiniteraremineral · Mohs 4-5yellow, orange, red- No imageSavannah River Agatecommonfossil · Mohs 6.5-7red, orange, yellow
Schalleriteraremineral · Mohs 4-5brown, yellowish-brown, reddish-brown
Scheelitecommonmineral · Mohs 4.5-5white, yellow, brown
Scheuchzeriteraremineral · Mohs 3.5-4red, brown
Schiavinatoiteraremineral · Mohs 5yellow, brown
Schistcommonmetamorphic · Mohs 3-6silver, gray, black- No imageSchlüterite-(Y)raremineral · Mohs 4-5yellow, brown
Schneebergiteraremineral · Mohs 5-5.5yellow, yellowish-brown, brown
Schooneriteraremineral · Mohs 3-4yellow, brown
Schülleriteraremineral · Mohs 6.5-7.5yellow, brown, reddish-brown
Schwartzembergiteraremineral · Mohs 2.5dark red, reddish brown, brown
Schwertmannitecommonmineral · Mohs 2-3yellow, brown, orange
Sea Urchin Fossilcommonfossil · Mohs 3-5white, gray, tan
Seamaniteraremineral · Mohs 4yellow, yellow-brown, brown
Seidite-(Ce)raremineral · Mohs 3yellow, brown
Seidozeriteraremineral · Mohs 4-5yellow, brown, red-brown- No imageSelenite Rosescommonmineral · Mohs 2white, colorless, tan
- No imageSelivanovaiteraremineral · Mohs 3-4yellow, brown
- No imageSelwyniteraremineral · Mohs 2.5yellow, green, brown
Semenovite-(Ce)raremineral · Mohs 3-4yellow, yellow-brown, brown- No imageSenkevichiteraremineral · Mohs 5yellow, brown, tan
Septarian Nodulescommonsedimentary · Mohs 3-5brown, yellow, gray
Seranditeraremineral · Mohs 4.5-5pink, orange, red
Serpentinecommonmineral · Mohs 2.5-5.5green, yellow, brown
Serpentinitecommonmetamorphic · Mohs 2.5-5.5green, yellow-green, black
Shalecommonsedimentary · Mohs 2-3gray, black, red
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