Wishing Stone (Gneiss or Basalt with Quartz Vein)
Gneiss or Metabasalt (with a Quartz or Calcite intrusion)
metamorphic
Category
Metamorphic Rock (Composed Of Multiple Minerals)
Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.
Specular Hematite
Specularite (Fe2O3)
mineral
Granite
Plutonic Igneous Rock (composed of Quartz, Feldspar, and Mica)
igneous
Chert
Chert (variant of microcrystalline quartz)
Sedimentary
Red Granite
Phaneritic Felsic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Sandstone
Arenite or Sandstone
Sedimentary Rock
Red Garnet (Pyrope or Almandine)
Garnet Group (A3B2(SiO4)3)
mineral
Garnet (Pyrope-Almandine series)
Garnet Group, (Mg,Fe)3Al2Si3O12
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
metamorphic
Arsenopyrite with Schist Matrix
Arsenopyrite (FeAsS)
mineral
Gabbro
Gabbro (Mafic Plutonic Rock)
igneous
Tiger's Iron
Pseudomorphic Quartz Aggregate (contains SiO2 with Fe2O3 and FeOOH)
metamorphic
Sandstone
Arenite
sedimentary
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2)
mineral
Basalt
Basalt (principally composed of pyroxene and plagioclase feldspar)
igneous
Synthetic Wolf Plush (Non-mineral)
Canis lupus similis (Prop material: Polyester & Synthetic fibers)
Synthetic material/Textile
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Ruby in Matrix
Corundum (Al2O3)
mineral
Quartz with Muscovite Mica
SiO2 with KAl2(AlSi3O10)(OH)2
mineral group
Garnet (Almandine)
Almandine, Fe3Al2(SiO4)3
metamorphic
Amazonite
K(AlSi3O8), Microcline (potassium feldspar)
mineral
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Ironstone Concretion (Ironstone Gourd)
Limonite/Goethite Concretion (FeOO(H))
sedimentary
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Mineral
Raw Corundum (Sapphire/Ruby variant)
Aluminum oxide (Al2O3)
mineral
Gastropod Fossil (Snail Steinkern)
Class Gastropoda fossil, composed of Calcium Carbonate (CaCO3)
sedimentary
Green Slate (Greenstone)
Metamorphic shale (varied composition)
metamorphic
Granite
Phaneritic plutonic rock (composed of quartz, alkali feldspar, and plagioclase)
igneous
Pyrite in Shale
Iron Sulfide (FeS2)
mineral
Biotite Schist
Biotite Schist
metamorphic
Serpentinite
Serpentinite (containing minerals of the Serpentine subgroup: Antigorite, Lizardite, and Chrysotile; formula (Mg,Fe)3Si2O5(OH)4)
metamorphic
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Basalt
Extrusive Mafic Igneous Rock (composed primarily of plagioclase, pyroxene, and olivine)
igneous
Marble
Metamorphosed Limestone/Dolomite
metamorphic
Emerald with Matrix (Emerald in Mica Schist)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3
Mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Jadeite Jade
Jadeite (NaAlSi2O6)
metamorphic
Bauxite Ore
Hydrated aluminum oxides (e.g., Gibbsite Al(OH)3, Boehmite ̲̲̲̲AlOOH, Diaspore ̲̲̲̲AlOOH)
Mineral