Quartz Pebble
Silicon Dioxide (SiO2)
Category
Browse synthetic polymer (synthetic material) specimens identified by the Rock Identifier community.
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone with Dendritic Inclusions
Quartzose Sandstone
Sandstone
Clastic sedimentary rock (Quartz arenite)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Iron-stained Quartz
Silicon Dioxide with Iron Oxide (SiO2 with Fe2O3)
Rock Fragment with Calcite/Quartz Vein
Polymictic Rock Fragment (SiO2 / CaCO3)
Sandstone / Chert Gravel
SiO2 (Silicon Dioxide based clastic sedimentary rock)
Sandstone
SiO2 (predominantly quartz sand)
Sandstone
Sandstone (SiO2-rich detrital sedimentary rock)
Sandstone
Sandstone (composed predominantly of SiO2)
Corundum (Sapphire / Raw Sapphire)
Aluminum Oxide (Al2O3)
Porphyritic Granite (Pink Granite)
Granite (plagioclase, alkali feldspar, quartz, biotite)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (with Moss/Lichen Growth)
Sandstone (Quartz Arenite / Lithic Arenite)
Fossiliferous Limestone
Bioclastic Limestone (CaCO3)
Snowflake Obsidian
Spherulitic Volcanic Glass (SiO2)
Sandstone
Arenite
Milky Quartz
Silicon Dioxide (SiO2)
Turquoise
Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
Red Sandstone
Sandstone (Quartz Arenite with Iron Oxide)
Sandstone (Quartzite-rich Cobble)
Clastic sedimentary rock (primarily SiO2)
Conglomerate
Polymictic Conglomerate
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
Sandstone (Banded)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily Quartz and Feldspar)
Amazonite
K(AlSi3O8)
Sandstone (River Cobble)
Sandstone (composed predominantly of SiO2 - Quartz)
Sandstone
Sandstone (Siliciclastic Sedimentary Rock)
Quartzite Pebble
Quartzite (SiO2)
Granite Cobble / Gneiss (River Rock)
Granitic Gneiss / Felsic Igneous Rock
Milky Quartz
Silicon Dioxide (SiO2)
Quartz / Calcite Pebble
SiO2 (Quartz) or CaCO3 (Calcite)
Sandstone (Ferruginous / River-worn Cobble)
Sandstone (SiO2 with iron oxide impurities)
Unakite
Altered Granite (composed of epidote, pink orthoclase feldspar, and quartz)
Red Siltstone
Siltstone (composed of Quartz and Clay minerals)
Quartz Pebble
Crystalline Silica (SiO2)
Yellow Jasper Ocher
Limonitic Chert (SiO2 with FeO(OH)·nH2O)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Granite
Granite (Felsic Intrusive Igneous Rock)
Sandstone
Arenite (SiO2 based)