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 241–360 of 780 common entries (page 3 of 7).
Dinosaur Bonescommonfossil · Mohs 5.5-7brown, red, black
Dinosaur Toothcommonfossil · Mohs 3-5brown, black, gray
Diopsidecommonmineral · Mohs 5.5-6.5white, gray, green
Dioritecommonigneous · Mohs 6-7gray, black, white- No imageDogtooth Calcitecommonmineral · Mohs 3white, colorless, yellow
Dolomitecommonmineral · Mohs 3.5-4white, gray, pink
Dolostonecommonsedimentary · Mohs 3.5-4gray, white, buff
Dravitecommonmineral · Mohs 7-7.5brown, dark brown, yellowish brown- No imageDrusy Quartzcommonmineral · Mohs 7colorless, white, gray
Dumortierite Quartzcommonmineral · Mohs 7blue, violet-blue, deep blue
Dunham Dolomitecommonsedimentary · Mohs 3.5-4gray, buff, tan
Dunitecommonigneous · Mohs 6.5-7yellow-green, olive-green, dark green
Echinoidcommonfossil · Mohs 3-4white, gray, tan
Eclogitecommonmetamorphicgreen, red
Ekebergitecommonmineral · Mohs 5-6white, gray, yellow
Elbaitecommonmineral · Mohs 7-7.5green, pink, blue
Elrathiacommonfossilbrown, gray, black
Emerycommonmineral · Mohs 8-9dark gray, black, brownish-black
Enstatitecommonmineral · Mohs 5-6green, brown, gray
Epidotecommonmineral · Mohs 6-7pistachio green, yellowish-green, dark green
Epsomitecommonmineral · Mohs 2-2.5white, colorless, pink- No imageEvergreen Jaspercommonmineral · Mohs 6.5-7green, dark green, yellow-green
Eye Agatecommonmineral · Mohs 6.5-7white, gray, brown- No imageFairfield Agatecommonmineral · Mohs 6.5-7brown, tan, white
- No imageFairhill Agatecommonmineral · Mohs 6.5-7red, yellow, orange
- No imageFairy Stonecommonmineral · Mohs 7-7.5brown, reddish-brown, black
Favositescommonfossil · Mohs 3-4gray, tan, brown
Feldsparcommonmineral · Mohs 6white, gray, pink
Fern Fossilcommonfossilblack, brown, gray
Ferricopiapitecommonmineral · Mohs 2.5-3yellow, golden yellow, orange-yellow
Ferrihydritecommonmineral · Mohs 2-3reddish-brown, brown, dark-brown
Ferrimolybditecommonmineral · Mohs 1-2yellow, straw-yellow, canary-yellow
Ferro-hornblendecommonmineral · Mohs 5-6black, dark green, dark brown- No imageFibrolitecommonmineral · Mohs 6.5-7.5white, colorless, gray
Finger Coralcommonfossil · Mohs 3-4white, tan, brown
Fish Fossilcommonfossil · Mohs 3-5brown, tan, gray
Fishtail Selenitecommonmineral · Mohs 2colorless, white, yellowish
Flintcommonmineral · Mohs 7gray, black, brown- No imageFlint Nodulescommonmineral · Mohs 7gray, black, brown
- No imageFlower Jaspercommonmineral · Mohs 6.5-7pink, white, red
Fluorapatitecommonmineral · Mohs 5colorless, white, yellow
Fluorapophyllite-(K)commonmineral · Mohs 4.5-5white, colorless, green- No imageFluorescent Calcitecommonmineral · Mohs 3white, colorless, yellow
Fluoritecommonmineral · Mohs 4purple, blue, green
Forsteritecommonmineral · Mohs 6.5-7green, yellow-green, colorless- No imageFort Payne Chertcommonmineral · Mohs 6.5-7white, gray, brown
Fossil Coralcommonfossil · Mohs 6.5-7white, tan, brown
Fossil Leafcommonfossil · Mohs 2-4brown, black, gray
Fossil Leaf Printscommonfossil · Mohs 2-4brown, tan, black
Fossil Plantscommonfossilbrown, black, gray- No imageFossilized Coralcommonfossil · Mohs 6.5-7white, gray, brown
- No imageFossilized Fernscommonfossil · Mohs 3-6black, brown, gray
- No imageFossilized Horse Bonescommonfossil · Mohs 3-6brown, tan, white
- No imageFossilized Quarrycommonfossilbrown, tan, gray
Fossilized Shark Teethcommonfossil · Mohs 3-5black, gray, brown
Fossilized Shellscommonfossil · Mohs 3-5white, gray, brown- No imageFossilized Woodcommonfossil · Mohs 6.5-7brown, red, yellow
Fossilscommonfossil · Mohs 3-7brown, gray, white
Francolitecommonmineral · Mohs 5white, gray, yellow
Fuchsitecommonmineral · Mohs 2.5-3emerald-green, bright-green- No imageFuschitecommonmineral · Mohs 2.5emerald green, bright green, apple green
Gabbrocommonigneous · Mohs 6-7black, dark green, dark gray
Galenacommonmineral · Mohs 2.5lead-gray
Garnetcommonmineral · Mohs 6.5-7.5red, green, yellow
Garnet Schistcommonmetamorphic · Mohs 3-7gray, brown, silver
Gastropod Fossilcommonfossilbrown, gray, white
Gastropodscommonfossil · Mohs 3-5white, brown, gray- No imageGatewayitecommonmineral · Mohs 7white, gray, brown
Geodecommonsedimentary · Mohs 7white, gray, brown
Gibbsitecommonmineral · Mohs 2.5-3.5white, grayish-white, yellowish
Gilsonitecommonmineral · Mohs 2-2.5black
Glauberitecommonmineral · Mohs 2.5-3colorless, white, yellow
Glauconitecommonmineral · Mohs 2green, olive-green, yellowish-green
Glaucophanecommonmineral · Mohs 6blue, blue-gray, lavender
Gneisscommonmetamorphic · Mohs 5-7white, gray, pink
Goethitecommonmineral · Mohs 5-5.5yellowish-brown, reddish-brown, black
Goldcommonmineral · Mohs 2.5-3gold-yellow, pale yellow, orange-yellow- No imageGold Bearing Galenacommonmineral · Mohs 2.5-2.75lead-gray, silver-white
- No imageGold Pearlcommonfossil · Mohs 2.5-4.5gold, yellow, cream
Gold Placercommonmineral · Mohs 2.5-3golden yellow, brass yellow- No imageGold Quartzcommonmineral · Mohs 7white, gray, yellow
- No imageGold Sulfidescommonmineral · Mohs 6-6.5pale brass-yellow
- No imageGolden Baritecommonmineral · Mohs 3-3.5yellow, golden yellow, amber
- No imageGolden Jaspercommonmineral · Mohs 6.5-7yellow, gold, brown
Goniatitecommonfossil · Mohs 3-4brown, gray, black
Goshenitecommongemstone · Mohs 7.5-8colorless, white
Goslaritecommonmineral · Mohs 2colorless, white, blue
Granitecommonigneous · Mohs 6-7white, gray, pink
Granitic Pegmatitecommonigneous · Mohs 6-7white, pink, gray
Granodioritecommonigneous · Mohs 6-7gray, white, black
Grape Agatecommonmineral · Mohs 6.5-7purple, violet, lavender
Graphic Granitecommonigneous · Mohs 6-7white, gray, pink
Graphitecommonmineral · Mohs 1-2black, steel-gray- No imageGray Agatecommonmineral · Mohs 6.5-7gray, gray, white
- No imageGray Baritecommonmineral · Mohs 3-3.5gray, white, colorless
- No imageGreen Agatecommonmineral · Mohs 6.5-7green, light green, dark green
Green Amphibolecommonmineral · Mohs 5-6green, dark green, blackish green- No imageGreen Apatitecommonmineral · Mohs 5green, yellow-green, blue-green
- No imageGreen Aventurinecommonmineral · Mohs 6.5-7green, light green, dark green
Green Calcitecommonmineral · Mohs 3green, light green, emerald green- No imageGreen Elbaite Tourmalinecommongemstone · Mohs 7-7.5green, yellow-green, blue-green
- No imageGreen Fluoritecommonmineral · Mohs 4green, light green, emerald green
Green Hornblendecommonmineral · Mohs 5-6dark green, blackish green, brownish green- No imageGreen Marblecommonmetamorphic · Mohs 3-5green, dark green, white
Green Quartzitecommonmetamorphic · Mohs 7green, light green, pale green- No imageGreen Sapphirecommongemstone · Mohs 9green, yellow-green, blue-green
Green Tourmalinecommongemstone · Mohs 7-7.5green, yellow-green, blue-green- No imageGreenlizarditecommonmineral · Mohs 2.5-3green
Greenschistcommonmetamorphic · Mohs 3-6green, dark green, light green
Greywackecommonsedimentary · Mohs 6-7gray, dark gray, brownish gray
Grossularcommonmineral · Mohs 6.5-7.5green, brown, yellow- No imageGrossular Garnetcommonmineral · Mohs 6.5-7.5green, yellow, orange
Grossularite Garnetcommonmineral · Mohs 6.5-7.5green, yellow, brown
Gruneritecommonmineral · Mohs 5-6brown, greenish-brown, gray
Guaninecommonfossil · Mohs 1.5-2white, colorless- No imageGypsitecommonsedimentary · Mohs 1.5-2white, gray, yellowish
Gypsumcommonmineral · Mohs 2colorless, white, gray- No imageHalamishitecommonmineral · Mohs 7white, gray, brown
Halitecommonmineral · Mohs 2.5colorless, white, blue
Halloysitecommonmineral · Mohs 2-2.5white, off-white, gray
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