Common rocks & minerals
Common rocks and minerals show up routinely in field collecting and on dealer tables. They are the right place to start a reference collection — most are inexpensive, durable, and well-documented.
Showing 601–720 of 780 common entries (page 6 of 7).
Pyroxenitecommonigneous · Mohs 5-7dark green, brown, black
Pyrrhotitecommonmineral · Mohs 3.5-4.5bronze, brown, red-brown
Quartzcommonmineral · Mohs 7colorless, white, gray- No imageQuartz Clusterscommonmineral · Mohs 7colorless, white, milky
- No imageQuartz Concretionscommonmineral · Mohs 7white, gray, brown
Quartz Geodecommonmineral · Mohs 7colorless, white, purple
Quartzitecommonmetamorphic · Mohs 7white, gray, pink- No imageRadioactive Coppercommonmineral · Mohs 2-2.5emerald green, grass green, leek green
- No imageRainbow Moonstonecommongemstone · Mohs 6-6.5white, colorless, blue
Rainbow Obsidiancommonmineral · Mohs 5-5.5black, iridescent- No imageRainforest Jaspercommonmineral · Mohs 6.5-7green, brown, cream
- No imageRed Agatecommonmineral · Mohs 6.5-7red, orange-red, brownish-red
- No imageRed Garnetcommonmineral · Mohs 6.5-7.5red, dark red, reddish-brown
Red Jaspercommonmineral · Mohs 6.5-7red, red-brown, brick red
Red Marblecommonmetamorphic · Mohs 3-4red, white, pink- No imageRed Ochercommonmineral · Mohs 1-5red, reddish-brown
Red Quartzitecommonmetamorphic · Mohs 7red, reddish-brown, pinkish-red- No imageRed Rutilecommonmineral · Mohs 6-6.5red, reddish-brown
Red Sandstonecommonsedimentary · Mohs 6-7red, red-brown, rust
Red Silicified Coralcommonfossil · Mohs 6.5-7red, brown, orange
Rhodolitecommongemstone · Mohs 7-7.5pink, red, purple
Rhodonitecommonmineral · Mohs 5.5-6.5pink, reddish-pink, brown- No imageRhodonite Nodulescommonmineral · Mohs 5.5-6.5pink, red, brown
Rhyolitecommonigneous · Mohs 6-7gray, pink, tan- No imageRicolitecommonmineral · Mohs 3-5green, yellow, black
Riebeckitecommonmineral · Mohs 5-6dark blue, black, blue-green
Rock Gypsumcommonmineral · Mohs 2white, gray, colorless
Rockcastle Conglomeratecommonsedimentary · Mohs 6-7gray, white, tan
Romanèchitecommonmineral · Mohs 5-6black, gray- No imageRose Agatecommonmineral · Mohs 6.5-7pink, rose, white
Rose Quartzcommongemstone · Mohs 7pink, rose-red- No imageRose Rockscommonmineral · Mohs 3-3.5reddish-brown, red, tan
Rozenitecommonmineral · Mohs 2.5white, snow-white, colorless
Rugose Coralcommonfossil · Mohs 3-4white, gray, brown
Rutilated Quartzcommongemstone · Mohs 7clear, white, smoky
Rutilecommonmineral · Mohs 6-6.5reddish-brown, red, black
Sagenite Agatecommonmineral · Mohs 6.5-7clear, white, yellow
Sand Dollar Fossilcommonfossil · Mohs 3white, tan, gray
Sandstonecommonsedimentary · Mohs 6-7tan, brown, yellow- No imageSandstone With Calcite Veinscommonsedimentary · Mohs 3-7tan, brown, red
Sanidinecommonmineral · Mohs 6colorless, white, gray
Saponitecommonmineral · Mohs 2white, gray, yellowish
Sapphirecommongemstone · Mohs 9blue, yellow, pink
Sardcommonmineral · Mohs 6.5-7brownish-red, reddish-brown, orange-brown
Satin Sparcommonmineral · Mohs 2white, colorless, gray- No imageSavannah River Agatecommonfossil · Mohs 6.5-7red, orange, yellow
Scapolitecommonmineral · Mohs 5.5-6colorless, white, gray
Scheelitecommonmineral · Mohs 4.5-5white, yellow, brown
Schistcommonmetamorphic · Mohs 3-6silver, gray, black
Schorlcommonmineral · Mohs 7-7.5black
Schwertmannitecommonmineral · Mohs 2-3yellow, brown, orange
Scolecitecommonmineral · Mohs 5-5.5white, colorless, pink
Scoriacommonigneous · Mohs 5-6black, dark gray, reddish brown
Sea Urchin Fossilcommonfossil · Mohs 3-5white, gray, tan
Selenitecommonmineral · Mohs 2colorless, white, gray- No imageSelenite Rosescommonmineral · Mohs 2white, colorless, tan
Sepiolitecommonmineral · Mohs 2-2.5white, gray, yellow
Septarian Nodulescommonsedimentary · Mohs 3-5brown, yellow, gray
Sericitecommonmineral · Mohs 2-2.5white, silver, pale green
Serpentinecommonmineral · Mohs 2.5-5.5green, yellow, brown
Serpentinitecommonmetamorphic · Mohs 2.5-5.5green, yellow-green, black
Shalecommonsedimentary · Mohs 2-3gray, black, red
Shark Teethcommonfossil · Mohs 3-5black, brown, gray
Sheen Obsidiancommonmineral · Mohs 5-6black, gold, silver
Sideritecommonmineral · Mohs 3.5-4yellow, brown, gray- 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
Silicified Coralcommonfossil · Mohs 6.5-7white, gray, brown- 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 Oolitecommonfossil · Mohs 6.5-7white, gray, brown
- No imageSilicified Palm Woodcommonfossil · Mohs 6.5-7brown, tan, black
- No imageSilicified Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Silkstonecommonmineral · Mohs 7white, gray, yellow
Sillimanitecommonmineral · Mohs 6.5-7.5white, colorless, gray
Siltstonecommonsedimentary · Mohs 3-4gray, red, brown
Skarncommonmetamorphic · Mohs 5-7green, brown, black
Slatecommonmetamorphic · Mohs 2.5-4gray, black, green
Smithsonitecommonmineral · Mohs 4-4.5white, gray, green
Smoky Quartzcommonmineral · Mohs 7brown, gray, black- No imageSnakeskin Agatecommonmineral · Mohs 6.5-7white, gray, tan
Snowflake Obsidiancommonmineral · Mohs 5-5.5black, white
Soapstonecommonmetamorphic · Mohs 1gray, green, white
Sodalitecommonmineral · Mohs 5.5-6blue, white, gray
Specularitecommonmineral · Mohs 5.5-6.5steel-gray, iron-black, silvery-gray
Sphaleritecommonmineral · Mohs 3.5-4yellow, brown, black- No imageSpherulitic Chertcommonmineral · Mohs 6.5-7white, gray, tan
Spinelcommonmineral · Mohs 8red, blue, green
Sponge Fossilcommonfossil · Mohs 2.5-7gray, white, tan
Spongescommonfossil · Mohs 3-5white, gray, brown
Sputnik Aragonitecommonmineral · Mohs 3.5-4brown, tan, creamy white
Staurolitecommonmineral · Mohs 7-7.5reddish-brown, brown, brownish-black
Staurolite Crosscommonmineral · Mohs 7-7.5brown, reddish-brown, yellowish-brown
Staurolite Schistcommonmetamorphic · Mohs 3.5-7dark brown, gray, brownish-black
Steatitecommonmineral · Mohs 1gray, green, white
Stibiconitecommonmineral · Mohs 5-5.5yellow, white, colorless
Stibnitecommonmineral · Mohs 2lead-gray, steel-gray, blackish-gray
Stilbitecommonmineral · Mohs 3.5-4white, colorless, yellow
Stilbite-Cacommonmineral · Mohs 3.5-4white, colorless, yellow- No imageStilbite-Nacommonmineral · Mohs 3.5-4white, yellow, pink
Stilpnomelanecommonmineral · Mohs 3-4black, brownish-black, bronze- No imageStripped Agatecommonmineral · Mohs 6.5-7white, gray, blue
- No imageStromatoporioidscommonfossil · Mohs 3-5tan, brown, gray
Strontianitecommonmineral · Mohs 3.5colorless, white, gray
Struvitecommonmineral · Mohs 2white, colorless, yellowish-white
Sulfurcommonmineral · Mohs 1.5-2.5yellow, brownish-yellow, greenish-yellow- No imageSweetwater Agatecommonmineral · Mohs 6.5-7clear, white, gray
Syenitecommonigneous · Mohs 6gray, pink, white
Sylvitecommonmineral · Mohs 2white, colorless, red
Tabulate Coralcommonfossil · Mohs 5-7tan, brown, gray
Talccommonmineral · Mohs 1white, gray, green
Teepee Canyon Agatecommonmineral · Mohs 6.5-7red, pink, white
Tenoritecommonmineral · Mohs 3-4black, gray
Teredo Petrified Woodcommonfossil · Mohs 6.5-7brown, tan, gray
Tetrahedritecommonmineral · Mohs 3-4steel-gray, iron-black, black
Tetrahedrite-(Fe)commonmineral · Mohs 3-4steel-gray, iron-black
Tetrahedrite-(Zn)commonmineral · Mohs 3-4steel-gray, iron-black- No imageTexas Bouquet Agatecommonmineral · Mohs 6.5-7white, pink, red
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