Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
Category
Browse carved stone specimens identified by the Rock Identifier community.
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
Banded Agate (Gray Agate)
Silicon Dioxide (SiO2) - Variety of Chalcedony
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Granite
Phaneritic Felsic Igneous Rock
Pink Granite
Granite (Phaneritic igneous rock rich in Orthoclase)
Jasper Pendant
Silicon dioxide (SiO2) with impurities
Carnelian Agate
Silicon Dioxide (SiO2) - Chalcedony variety
Granite
Phaneritic plutonic igneous rock (Granite)
Granite
Intrusive igneous rock (SiO2 rich)
Granodiorite / Granite
Granodiorite (containing Quartz SiO2, Plagioclase Feldspar, and Biotite)
Sandstone
Clastic sedimentary rock (Quartz arenite)
Green Onyx (Carved Mushroom)
Calcite / Banded Calcite (often commercially sold as 'Mexican Onyx')
Limestone
Calcium Carbonate (CaCO3)
Granodiorite
Phaneritic intrusive igneous rock
Jasper
Microcrystalline Quartz (SiO2)
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2)
Granodiorite River Pebble
Granodiorite
Granite
Granite (Felsic Plutonic Rock)
Unakite
Unakite (Epidotized Granite)
Diorite (Porphyritic Diorite)
Porphyritic Diorite
Granite
Granite (Phaneritic Igneous Rock)
Granite
Granite (composed mainly of Quartz, Potassium Feldspar, Plagioclase, and Biotite/Mica)
Granite
Granite (Phaneritic Igneous Rock)
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
Granite
Granite (Phaneritic igneous rock)
Granite
Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)
Sandstone (likely Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Granite
Phaneritic Felsic Igneous Rock
Snowflake Obsidian
Obsidian with Cristobalite inclusions
Diorite (Salt and Pepper Rock)
Diorite
Diorite
Diorite (Intermediate intrusive igneous rock)
Quartzite
Metamorphic Quartzite (SiO2)
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Diorite (possibly Orbicular Diorite or Porphyritic Diorite)
Intermediate Phaneritic Igneous Rock
Sandstone
Sedimentary Rock (Quartz arenite)
Zebra Jasper
Tetragonal Silicon Dioxide (Quartz) with impurities
Petrified Wood
Silicified Wood (SiO2)
Granite
Intrusive Igneous Rock (composed primarily of Quartz: SiO2, Feldspar: KAlSi3O8, and Mica: KAl2(AlSi3O10)(OH)2)
Granodiorite
Granodiorite (intermediate intrusive igneous rock containing plagioclase, quartz, and K-feldspar)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Granodiorite (Gravel Pebble)
Granodiorite
Satin Spar (Gypsum)
Hydrous calcium sulfate (CaSO4·2H2O)