Rock & Mineral Identification Guide
Search or browse 246 rocks, minerals, crystals, gemstones, and fossils — each with a reference photo, Mohs hardness, chemical formula, and how it forms. Tap any specimen to learn how to identify it, then identify your own finds with the Mineralyst app.
246 specimens
Actinolite
Agate
Albite
Alexandrite
Alunite
Amazonite
Amber
Amethyst
Ametrine
Ammonite Fossil
Amphibole
Amphibolite
Analcime
Andalusite
Andesite
Anglesite
Anhydrite
Anorthite
Apache Tear
Apatite
Apophyllite
Aquamarine
Aragonite
Arsenopyrite
Autunite
Aventurine
Axinite
Azurite
Barite
Basalt
Bauxite
Beryl
Biotite Mica
Bloodstone
Blue Lace Agate
Borax
Bornite
Botryoidal Hematite
Botswana Agate
Bournonite
Breccia
Brucite
Calcite
Carnelian
Cassiterite
Cavansite
Celestite
Cerussite
Chalcedony
Chalcocite
Chalcopyrite
Chalk
Charoite
Chert
Chlorite
Chondrodite
Chromite
Chrysocolla
Chrysoprase
Chrysotile
Cinnabar
Citrine
Coal
Colemanite
Conglomerate
Coquina
Cordierite
Corundum
Covellite
Crazy Lace Agate
Dacite
Danburite
Datolite
Desert Rose
Diamond
Diopside
Diorite
Dolomite
Dumortierite
Emerald
Enargite
Epidote
Fairburn Agate
Fire Agate
Fluorite
Fossilized Coral
Fossilized Shark Tooth
Fossilized Wood
Gabbro
Galena
Garnet
Gibbsite
Gneiss
Goethite
Granite
Graphite
Gypsum
Halite
Heliodor
Hematite
Hemimorphite
Herkimer Diamond
Heulandite
Hornfels
Howlite
Ilmenite
Iolite
Iron Meteorite
Jadeite
Jarosite
Jasper
Jet
Kaolinite
Kunzite
Kyanite
Labradorite
Lake Superior Agate
Lapis Lazuli
Larimar
Larvikite
Laterite
Leucite
Limestone
Limonite
Magnesite
Magnetite
Malachite
Marble
Marcasite
Microcline
Migmatite
Milky Quartz
Mimetite
Moldavite
Molybdenite
Monazite
Moonstone
Morganite
Moss Agate
Mudstone
Muscovite Mica
Native Copper
Native Gold
Native Silver
Native Sulfur
Natrolite
Nepheline
Nephrite
Obsidian
Okenite
Olivine
Onyx
Opal
Orpiment
Orthoclase Feldspar
Pectolite
Pegmatite
Peridot
Peridotite
Petoskey Stone
Petrified Wood
Phyllite
Pietersite
Plagioclase Feldspar
Plume Agate
Prasiolite
Prehnite
Proustite
Psilomelane
Pumice
Pyrite
Pyrolusite
Pyromorphite
Pyroxene
Pyrrhotite
Quartz
Quartzite
Realgar
Rhodochrosite
Rhodonite
Rhyolite
Rock Gypsum
Rock Salt
Rose Quartz
Ruby
Rutile
Sandstone
Sapphire
Scheelite
Schist
Scoria
Selenite
Septarian
Serpentine
Serpentinite
Shale
Siderite
Sillimanite
Siltstone
Slate
Smithsonite
Smoky Quartz
Soapstone
Sodalite
Sodalite Group
Sphalerite
Spinel
Spinel Group
Staurolite
Stibnite
Stilbite
Stony Meteorite
Strontianite
Sugilite
Sulfur
Sunstone
Talc
Tanzanite
Tektite
Tetrahedrite
Thomsonite
Tiger's Eye
Topaz
Torbernite
Tourmaline
Travertine
Tremolite
Trilobite Fossil
Trona
Tuff
Turquoise
Turquoise Group
Ulexite
Unakite
Unknown
Utah Septarian Nodule
Vanadinite
Variscite
Vesuvianite
Wavellite
Witherite
Wollastonite
Wulfenite
Xenotime
Zircon
Zoisite
Mineralyst
Wondering what you found?
Point your camera at any rock and Mineralyst identifies it in seconds — with guided follow-up questions for a confident answer.
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- 5 photos per find
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