Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Category
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Limonite (Iron Ore)
FeO(OH)·nH2O
Native Copper
Native Copper (Cu)
Gneiss (likely Granitic Gneiss)
Gneiss
Diorite
Diorite (Intermediate intrusive igneous rock)
Granite
Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
Banded Gneiss
Gneiss (high-grade metamorphic silicate rock)
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock
Gneiss
Gneiss (high-grade metamorphic rock)
Granite Glacial Erratic
Intrusive Phaneritic Felsic Rock (Granite)
Mica Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
Greenschist (Chlorite Schist)
Greenschist (Metamorphic rock dominated by chlorite, actinolite, and epidote)
Granitic Pegmatite with Schorl Tourmaline
Granitic Pegmatite (Schorl: NaFe3Al6(BO3)3Si6O18(OH)4)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Specular Hematite
Hematite (Fe2O3)
Pyrite on Quartz matrix
Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Ruby (Raw Corundum)
Corundum (Al2O3) with Chromium traces
Diorite
Diorite (Phaneritic intermediate plutonic rock)
Gneiss
Gneiss (Metamorphic Rock)
Diorite
Diorite (Intermediate intrusive igneous rock)
Gneiss
Gneiss
Granite
Granite (Felsic Plutonic Rock)
Granodiorite
Granodiorite
Azurite Malachite (Mixed)
Azurite-Malachite; Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2
Vanadinite
Lead Chlorovanadate, Pb5(VO4)3Cl
Granite
Granite (phaneritic felsic intrusive rock)
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
Jade (likely Jadeite)
Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)
Pyrite in Matrix (Gold-colored Chalcopyrite or Pyrite)
Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)
Limonite (Ironstone Concretion)
Hydrous ferric oxides (FeO(OH)·nH2O)
Limonite
Limonite (Hydrous iron oxides, predominantly Goethite FeO(OH)·nH2O)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Green Slag Glass (Cullet)
Amorphous Silica (Industrial Glass Byproduct)
Proustite
Proustite (Ag3AsS3)
Schist
Schist
Limonite Sandstone
Ferruginous Sandstone (Hydrated Iron Oxide)
Fluorite
Calcium Fluoride (CaF2)
Granite
Intrusive Felsic Igneous Rock
Banded Gneiss
Gneiss