Granite
Phaneritic plutonic rock (primarily Quartz, Feldspar, and Mica)
igneous
Category
Igneous And Sedimentary Mixture
Browse igneous and sedimentary mixture specimens identified by the Rock Identifier community.
Vesicular Rhyolite
Extrusive igneous rock (high-silica rhyolite)
igneous
Granite
Granitoid
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Granite Pebble
Granite; primarily composed of Quartz (SiO2), Feldspar (KAlSi3O8), and Mica
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt
igneous
Porphyritic Rhyolite
Rhyolite (Porphyritic)
igneous
Granite
Granitoid
igneous
Porphyry
Porphyritic Andesite/Basalt
igneous
Granite
Phaneritic Plutonic Felsic Rock
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Iron-Nickel Meteorite
Siderite (Fe, Ni)
igneous
Granite
Granite (Phaneritic igneous rock)
igneous
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Peridot
Olivine (Mg, Fe)2SiO4
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
River Quartz (Milky and Smoky mix)
Silicon Dioxide (SiO2)
mineral
Almandine Garnet
Fe3Al2(SiO4)3
mineral
Quartz on Chlorite Schist
Chlorite Schist (Mg,Fe)3(Si,Al)4O10(OH)2 with Quartz (SiO2)
metamorphic
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Mica (Muscovite)
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Garnet
Garnet Group (formula varies, e.g., Almasndine: Fe3Al2(SiO4)3)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Sodalite (Sodium Aluminum Silicate Chloride) - Na8(Al6Si6O24)Cl2
mineral
Prehnite on Basalt
Prehnite - Ca2Al(AlSi3O10)(OH)2
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Beryl (Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
mineral
Rose Quartz
SiO2 (Silicon Dioxide with trace amounts of titanium, iron, or manganese)
mineral
Ruby in Matrix
Corundum (Al2O3)
mineral
Biotite Schist
Biotite Schist (predominantly K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Bloodstone (Heliotrope)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Unakite
Epidotized Granite
metamorphic
Lapis Lazuli
Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)
metamorphic
Red Granite
Phaneritic Felsic Intrusive Igneous Rock (primarily K-feldspar, Quartz, and Biotite)
igneous
Vesicular Basalt with Secondary Mineral Infill
Mafic Volcanic Rock (Basalt)
igneous