Red rocks & minerals
Red rocks and minerals get their color from iron, chromium, manganese, or copper-bearing impurities. The shade, vermillion, garnet, brick, deep crimson, usually points to the dominant chromophore.
Showing 241–314 of 314 red rocks (page 3 of 3).
Rhodolitecommongemstone · Mohs 7-7.5pink, red, purple
Rhodonite Nodulecommonmineral · Mohs 5.5-6.5pink, red, brown
Rhodplumsiteraremineral · Mohs 3-3.5red, pink, brownish-red
Richteriteuncommonmineral · Mohs 5-6brown, yellow, red
Rose Rockcommonmineral · Mohs 3-3.5reddish-brown, red, tan
Rubelliteuncommongemstone · Mohs 7-7.5pink, red, magenta
Rubyraregemstone · Mohs 9red
Rutilecommonmineral · Mohs 6-6.5reddish-brown, red, black
Sagenite Agatecommonmineral · Mohs 6.5-7clear, white, yellow
Sandstonecommonsedimentary · Mohs 6-7tan, brown, yellow- No imageSandstone With Calcite Veincommonsedimentary · Mohs 3-7tan, brown, red
- No imageSanguiteraremineral · Mohs 2.5red, dark red
Sarcoliteraremineral · Mohs 6pink, red, white
Sarkiniteraremineral · Mohs 4-5yellow, orange, red- No imageSavannah River Agatecommonfossil · Mohs 6.5-7red, orange, yellow
Schafarzikiteraremineral · Mohs 3-4red, brownish-red, orange-red- No imageSeleniumraremineral · Mohs 2gray, red
Seranditeraremineral · Mohs 4.5-5pink, orange, red
Shalecommonsedimentary · Mohs 2-3gray, black, red
Silicified Agatecommonfossil · Mohs 6.5-7multicolored, white, gray
Silicified Algaecommonfossil · Mohs 6.5-7tan, brown, gray
Silicified Coralcommonfossil · Mohs 6.5-7white, gray, brown- No imageSilicified Cycad Wooduncommonfossil · Mohs 6.5-7brown, tan, white
Silicified Dinosaur Boneuncommonfossil · Mohs 6.5-7red, brown, black
Silicified Ferncommonfossil · Mohs 6.5-7brown, black, gray
Silicified Fossilcommonfossil · Mohs 6.5-7brown, red, yellow
Silicified Lignitecommonfossil · Mohs 6.5-7brown, black, gray
Silicified Oolitecommonfossil · Mohs 6.5-7white, gray, brown
Silicified Palm Woodcommonfossil · Mohs 6.5-7brown, tan, black
Silicified Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Siltstonecommonsedimentary · Mohs 3-4gray, red, brown- No imageSimoniteraremineral · Mohs 1.5-2red
Skarncommonmetamorphic · Mohs 5-7green, brown, black
Slatecommonmetamorphic · Mohs 2.5-4gray, black, green
Spadaiteraremineral · Mohs 2.5red, pink, yellow
Spessartineuncommonmineral · Mohs 6.5-7.5orange, red-orange, red
Sphaleritecommonmineral · Mohs 3.5-4yellow, brown, black
Spheneuncommongemstone · Mohs 5-5.5yellow, green, brown
Spinelcommonmineral · Mohs 8red, blue, green
Star Rubyraregemstone · Mohs 9red, purplish-red, pinkish-red
Steenstrupine-(Ce)raremineral · Mohs 4brown, black, yellow
Stolziteuncommonmineral · Mohs 2.5-3red, orange, yellow
Stottiteraremineral · Mohs 4.5brown, green, orange
Strengiteuncommonmineral · Mohs 3.5-4red, violet, pink
Sunstoneuncommongemstone · Mohs 6-6.5orange, red, gold
Svanbergiteuncommonmineral · Mohs 4.5-5colorless, white, yellow
Sylvitecommonmineral · Mohs 2white, colorless, red
Tancaite-(Ce)raremineral · Mohs 4-4.5red, pale brown
Teepee Canyon Agatecommonmineral · Mohs 6.5-7red, pink, white- No imageTexas Bouquet Agatecommonmineral · Mohs 6.5-7white, pink, red
Thundereggcommonmineral · Mohs 6.5-7multicolored, brown, gray- No imageTillmannsiteraremineral · Mohs 3.5red, brownish red
Topazcommonmineral · Mohs 8yellow, brown, colorless
Tourmalinecommonmineral · Mohs 7-7.5black, green, pink
Trilobite Fossilcommonfossil · Mohs 3-5black, brown, gray
Trögeriteraremineral · Mohs 2-3red, orange, yellow
Tugtupiteraremineral · Mohs 4pink, red, white
Unakitecommonmetamorphic · Mohs 6-7green, pink, red
Vanadiniteuncommonmineral · Mohs 3red, orange, brown
Vesuvianitecommonmineral · Mohs 6.5green, brown, yellow- No imageWallkilldelliteraremineral · Mohs 3.5red, brownish-red, orange-red
Wallkilldellite-(Fe)raremineral · Mohs 3red, brown, reddish-brown
Willemiteuncommonmineral · Mohs 5.5white, green, yellow
Wölsendorfiteraremineral · Mohs 3-4orange, reddish-orange, red
Wonderstonecommonsedimentary · Mohs 6.5-7red, yellow, brown
Wonderstone Rhyolitecommonigneous · Mohs 5.5-6.5brown, tan, yellow
Wood Opalcommonfossil · Mohs 5.5-6.5brown, tan, gray
Wulfeniteuncommonmineral · Mohs 3orange, yellow, red- No imageWuyanzhiiteraremineral · Mohs 3-4red, orange, brown
Xanthoconiteraremineral · Mohs 2-3orange, red, yellow
Yedliniteraremineral · Mohs 3.5red, red-orange, deep orange
Yowah Nutuncommonfossil · Mohs 5.5-6.5brown, red, green
Yuksporiteraremineral · Mohs 5pink, red, brown
Zirconcommonmineral · Mohs 7.5brown, red, yellow
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