Sandstone (Stream-rounded)
Arenite (SiO2 based)
Category
Browse sedimentary (man made) specimens identified by the Rock Identifier community.
Sandstone (Stream-rounded)
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone Chert/Quartzite
Silicon Dioxide (SiO2) - Sedimentary Sandstone / Orthoquartzite
Garnet Beads
Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 based)
Amber (Cherry or Red variety)
Succinite (with various trace amounts of organic compounds)
Sandstone (likely with Quartz Veining)
Arenite (primarily SiO2)
Petrified Wood
Silicified wood (Quartz variant, SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Limonite / Ironstone Nodule
Limonite (Hydrated iron(III) oxide-hydroxide), FeO(OH)·nH2O
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily composed of SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (with Iron Oxide)
Sandstone (Quartz-rich)
Arenite (composed mainly of SiO2)
Sandstone
Arenite
Sandstone
Clastic sedimentary rock (primarily SiO2)
Limestone
Calcium carbonate (CaCO3)
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Sandstone
Arenite (Clastic Sedimentary Rock)
Sandstone Pebble
Arenite (primarily SiO2)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily Quartz, SiO2)
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone (Red/Brown Variety)
Arenite (SiO2 with iron oxide impurities)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxide matrix
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Quartz (likely) or a Quartzite Pebble
Silicon dioxide (SiO2) for quartz. If it's quartzite, it's a metamorphic rock primarily composed of quartz.
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Limestone
Calcium carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide staining)
Sandstone (with Iron Staining)
Arenite (composed primarily of SiO2 with Fe2O3 staining)