Pink Granite
Granite (Felsic Plutonic Rock)
Category
Browse man made (synthetic rock) specimens identified by the Rock Identifier community.
Pink Granite
Granite (Felsic Plutonic Rock)
Unakite
Unakite (altered granitic rock)
Unakite
Epidotized Granite
Chert (variant of Flint)
Chert (SiO2)
N/A (Non-Geological Specimen)
Unable to identify - Image contains non-geological items
Shale
Lutaceous Sedimentary Rock
Sandstone
Arenite (primarily SiO2)
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Grey River Stone (Gneiss/Schist mix)
Foliated Metamorphic Rock (variable mineral formula)
Black Mountain Stone (Seiryu Stone)
Limestone with Calcite veins (CaCO3)
Yellow Quartzite (River Pebble)
Quartzite (primarily SiO2)
Lake Superior Agate
Banded Chalcedony (Silicon Dioxide / SiO2)
Sandstone
Sandstone (Sedimentary rock composed of silicate grains)
River Rock (Greywacke/Sandstone)
Lithic Wacke
Sandstone
Arenite (primarily SiO2)
Red Jasper (Amygdaloidal Basalt with Agate)
Silicon dioxide (SiO2) in Basalt host
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Basalt
Extrusive mafic igneous rock
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
Sandstone
Arenite (Sedimentary Rock)
Unakite
Epidotized Granite
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Vesicular Basalt (Scoria)
Vesicular Basalt
Chrysocolla and Azurite in Matrix
Hydrated copper phyllosilicate (Chrysocolla - Cu2H2Si2O5(OH)4) and Copper carbonate (Azurite - Cu3(CO3)2(OH)2)
Unakite (Tumbled)
Unakite (altered granite)
Ferruginous Sandstone (with Iron Oxide staining)
Clastic Sedimentary Rock - Quartz Arenite/Wacke
Unakite (Epidote with Quartz and Feldspar)
Unakite (Metasomatized Granitic Rock)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Geode (Unopened)
Siliceous Concretion / Geode
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)
Granite Cobble
Granite (Phaneritic Igneous Rock)
Sandstone
Arenite