Granite
Phaneritic Plutonic Felsic Rock (Granite)
Category
Browse this is not a rock or mineral specimens identified by the Rock Identifier community.
Granite
Phaneritic Plutonic Felsic Rock (Granite)
Garnet Schist
Almandine-Garnet Schist
Yooperlite (Syenite clast containing fluorescent Sodalite)
Sodalite-bearing Syenite
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate (clastic sedimentary rock)
Banded Marble
Recrystallized Calcite (CaCO3)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Granite
Felsic intrusive igneous rock
Khondalite
Garnet-Sillimanite-Graphite Gneiss
Ruby in Zoisite (Anyolite)
Anyolite (Combination of Corundum and Zoisite)
Basalt
Mafic Igneous Rock
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily SiO2)
Granite
Felsic Plutonic Rock (primarily SiO2, Al2O3, K2O, Na2O)
Sandstone
Arenite
Sandstone
Arenite (primarily Quartz Sandstone with Iron Oxide)
Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
Quartz Pebble (River Rock)
Silicon Dioxide (SiO₂)
Aquamarine
Beryl (Be3Al2Si6O18 with trace Fe2+)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Granite
Granite (a felsic intrusive igneous rock)
Rough Star Sapphire (Corundum)
Al2O3 (Aluminum Oxide)
Basalt with Quartz/Feldspar Vein
Amygdaloidal Basalt with Plutonic intrusion (SiO2/KAlSi3O8)
Sandstone
Arenite
Limestone with Calcite Veins
Sedimentary Calcium Carbonate (CaCO3)
Limestone (with Calcite Veining)
Calcium Carbonate (CaCO3)
Sandstone (Quartzose)
Arenite (SiO2 principal)
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (composed predominantly of sand-sized grains, 0.0625 to 2 mm)
Sandstone
Arenite
Sandstone Pebble
Arenite (primarily SiO2)
Sandstone (Weathered Pebble)
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Red Sandstone
Ferruginous Sandstone (formula varies, primarily SiO2 with Fe2O3)
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone
Arenite (primarily Quartz Sandstone)
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone
Arenite
Sandstone
Arenite (SiO2-rich)
Sandstone Pebble
Arenite (SiO2 primarily)
Granite
Phaneritic plutonic igneous rock (SiO2 range 65-75%)