Mineral rocks & minerals
Minerals are naturally occurring inorganic solids with a defined chemical composition and crystalline structure. They are the building blocks of every rock you pick up in the field.
Showing 3841–3960 of 5815 minerals (page 33 of 49).
Orange Agatecommonmineral · Mohs 6.5-7orange, red-orange, yellow-orange
Orbicular Jaspercommonmineral · Mohs 6.5-7green, yellow, brown
Orceliteraremineral · Mohs 3.5-4pale bronze, yellowish-white
Ordoñeziteraremineral · Mohs 6-6.5yellowish brown, brown, dark brown
Orecommonmineralvariable
Örebroiteraremineral · Mohs 5-6dark brown- No imageOregon Jadecommonmineral · Mohs 6.5-7green, olive-green, dark green
Oregoniteraremineral · Mohs 4.5-5white, pale metallic yellow- No imageOrganovaite-Mnraremineral · Mohs 5yellow, brown, pink
Organovaite-Znraremineral · Mohs 5yellow, brown, orange- No imageOrickiteraremineral · Mohs 2.5brass-yellow
Orientiteraremineral · Mohs 3.5-4brown, dark brown- No imageOrlandiiteraremineral · Mohs 2colorless, white
- No imageOrloviteraremineral · Mohs 2.5-3colorless, pale yellow, white
Orlymaniteraremineral · Mohs 4dark brown
Orpimentcommonmineral · Mohs 1.5-2yellow, orange, brownish-yellow
Orschalliteraremineral · Mohs 2colorless, white- No imageOrthobranneriteraremineral · Mohs 4-5black, brownish-black
Orthoclasecommonmineral · Mohs 6white, colorless, flesh-red- No imageOrthocuproplatinumraremineral · Mohs 4white, silver-white
- No imageOrthogersdorffiteraremineral · Mohs 5.5-6white, steel-gray, silver-white
- No imageOrthojoaquinite-(Ce)raremineral · Mohs 5-5.5brown, yellowish-brown, orange-brown
- No imageOrthojoaquinite-(La)raremineral · Mohs 5-5.5yellow, brown, orange-brown
- No imageOrthominasragriteraremineral · Mohs 2.5blue, light blue
Orthopinakioliteraremineral · Mohs 6black, brownish-black
Orthoserpieriteraremineral · Mohs 2blue, pale blue, greenish blue- No imageOrthowalpurgiteraremineral · Mohs 3-4yellow, orange-yellow
- No imageOsakaiteraremineral · Mohs 1colorless, white
Osarizawaiteraremineral · Mohs 3.5yellow, greenish-yellow- No imageOsarsiteraremineral · Mohs 6lead-gray, silver-white
- No imageOsborniteraremineral · Mohs 8-9gold, yellow
- No imageOscarkempffiteraremineral · Mohs 2.5-3lead-gray, black
- No imageOskarssoniteraremineral · Mohs 1-2white, colorless
Osumiliteraremineral · Mohs 5-5.5blue, blue-violet, colorless- No imageOsumilite-(Mg)raremineral · Mohs 7colorless, pale blue, blue-gray
- No imageOswaldpeetersiteraremineral · Mohs 2yellow, greenish-yellow
Otaviteraremineral · Mohs 3.5white, gray, yellowish
Otjisumeiteraremineral · Mohs 3colorless, white
Ottemanniteraremineral · Mohs 1.5-2yellow, orange-yellow
Ottensiteraremineral · Mohs 3.5red, orange-red
Ottohahniteraremineral · Mohs 2yellow, yellowish-orange- No imageOttoiteraremineral · Mohs 2-3yellow, pale yellow
Ottréliteuncommonmineral · Mohs 6.5dark gray, dark green, black
Otwayiteraremineral · Mohs 4bright green, pale green
Oulankaiteraremineral · Mohs 3.5-4brass-yellow, grayish-yellow
Ourayiteraremineral · Mohs 2.5lead-gray, steel-gray
Oursiniteraremineral · Mohs 2-3yellow, yellowish-green
Ovamboiteraremineral · Mohs 3-3.5grayish white- No imageOveriteraremineral · Mohs 4colorless, white, pale yellow
- No imageOwensiteraremineral · Mohs 3.5brass-yellow, bronze
Owyhee Jaspercommonmineral · Mohs 6.5-7blue, brown, cream
Owyhee Thundereggcommonmineral · Mohs 6.5-7blue, purple, white
Owyheeiteuncommonmineral · Mohs 2.5steel-gray, silver-white, gray
Oxammiteraremineral · Mohs 2.5white, colorless
Oxo-magnesio-hastingsiteraremineral · Mohs 5-6black, dark green, brown- No imageOxo-mangani-leakeiteraremineral · Mohs 6red-orange
- No imageOxy-chromium-draviteraremineral · Mohs 7dark green, emerald green
- No imageOxy-draviteraremineral · Mohs 7dark brown, reddish-brown, black
- No imageOxy-schorlraremineral · Mohs 7black, brownish-black
Oxy-vanadium-draviteraremineral · Mohs 7dark brown, black, dark yellow-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 imageOxykinoshitaliteraremineral · Mohs 2.5-3dark brown, reddish 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 5-5.5greenish white, white
- No imageOxyvaniteraremineral · Mohs 7-7.5black
Oyeliteraremineral · Mohs 5white, colorless
Oyoniteraremineral · Mohs 3-3.5black
Ozokeriteuncommonmineral · Mohs 1yellow, brown, black
Pääkköneniteraremineral · Mohs 2-3lead-gray, silver-gray- No imagePaariteraremineral · Mohs 3.5lead-gray, iron-black
Pabstiteraremineral · Mohs 6white, colorless, gray- No imagePaceiteraremineral · Mohs 2dark sky-blue
Pachnoliteuncommonmineral · Mohs 3colorless, white, grayish- No imagePackratiteraremineral · Mohs 2.5dark greenish blue
Paddlewheeliteraremineral · Mohs 2blue-green
Padĕraiteraremineral · Mohs 2.5steel-gray, brown, black- No imagePadmaiteraremineral · Mohs 3-4white, pale yellow
- No imagePaganoiteraremineral · Mohs 4yellow, yellowish-green, brown
- No imagePahasapaiteraremineral · Mohs 3yellow, pink, white
Painiteraremineral · Mohs 8dark red, brownish-red, orange-brown- No imagePakhomovskyiteraremineral · Mohs 2bright pink
Palarstanideraremineral · Mohs 3-4steel-gray
Palenzonaiteraremineral · Mohs 6-6.5wine-red
Palermoiteraremineral · Mohs 5.5colorless, white, pale yellow- No imagePalladiniteraremineral · Mohs 2yellow, orange, brown
Palladiumraremineral · Mohs 4.75-5silver-white, pale gray- No imagePalladoarsenideraremineral · Mohs 3.5-4steel-gray
- No imagePalladobismutharsenideraremineral · Mohs 3.5white, gray
- No imagePalladodymiteraremineral · Mohs 5white, light gray
- No imagePalladosilicideraremineral · Mohs 5-5.5silver-white, gray
Palladseiteraremineral · Mohs 3-4white, gray- No imagePalmieriteraremineral · Mohs 3colorless, white, gray
Palygorskitecommonmineral · Mohs 2-3white, gray, yellowish-white- No imagePampaloiteraremineral · Mohs 4-5yellow, brownish-yellow
- No imagePanasqueiraiteraremineral · Mohs 5pink
- No imagePandoraite-Bararemineral · Mohs 2-3dark blue
- No imagePandoraite-Cararemineral · Mohs 2dark blue
- No imagePanethiteraremineral · Mohs 3.5pale amber
- No imagePanguiteraremineraldeep reddish-brown, black
- No imagePanichiiteraremineral · Mohs 2.5yellow, white, colorless
Panunziteraremineral · Mohs 6colorless, white- No imagePaoloviteraremineral · Mohs 3.5-4lilac-rose
Papagoiteraremineral · Mohs 5bright blue, sky blue
Papikeiteraremineral · Mohs 5-6black, dark brown- No imagePaqueiteraremineral · Mohs 5yellow, yellow-brown
Para-alumohydrocalciteraremineral · Mohs 1.75white, colorless, pale yellow- No imageParaberzeliiteraremineral · Mohs 3.5yellow, yellowish-brown
- No imageParabrandtiteraremineral · Mohs 3.5colorless, white, yellowish-white
Parabutleriteraremineral · Mohs 2.5orange, yellow
Paracelsianraremineral · Mohs 6colorless, white, gray
Paracoquimbiteraremineral · Mohs 2-3violet, pale violet, white
Paracostibiteraremineral · Mohs 3.5-4white, gray
Paradamiteraremineral · Mohs 3.5yellow, colorless, white- No imageParadocrasiteraremineral · Mohs 3-4silver-white, tin-white
Identify minerals in the field
Open RockHoundR to look up properties offline and find rockhounding spots near you.
