Limestone (Fossiliferous)
Calcium Carbonate (CaCO3)
Category
Browse sedimentary (man made composite) specimens identified by the Rock Identifier community.
Limestone (Fossiliferous)
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 based)
Sandstone (Quartz-rich)
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based with quartz, feldspar, or lithic fragments)
Sandstone with Iron Oxide (Limonite/Hematite)
Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone
Arenite (SiO2 based)
Moqui Marble (Shaman Stone)
Ironstone Concretion (Goethite/Hematite Shell)
Limestone (fossiliferous or weathered)
Sedimentary carbonate rock primarily composed of calcium carbonate (CaCO3)
Gravel or Pebble
Clastic Sedimentary Grain (typically composed of Quartz or Silicate minerals)
Red Sandstone
Clastic Terrigenous Sedimentary Rock (composed mostly of SiO2 with Fe2O3)
Fossiliferous Limestone
Biogenic Sedimentary Rock (Calcium Carbonate, CaCO3)
Sandstone
Sedimentary Rock (Quartz arenite / Lithic sandstone)
Limestone (or Calcite Pebble)
Calcium Carbonate (CaCO3)
Limestone Pebble
Limestone (CaCO3)
Sandstone
Arenite (SiO2 principal component)
Sandstone (Ferruginous)
Arenite (Fe2O3 enriched)
Fossiliferous Limestone with Coral Imprint
Fossiliferous Limestone (CaCO3)
Sandstone (likely Quartzose Sandstone pebble)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (variable SiO2 with Fe2O3 staining)
Limestone
Calcium Carbonate (CaCO3)
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
Sandstone (Quartzose Sandstone Pebble)
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Sandstone (mainly SiO2 with Fe2O3 staining)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (likely River-tumbled Picture Sandstone)
Arenite (predominantly SiO2 with iron oxide impurities)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily composed of SiO2)
Limestone (Flagstone)
Fossiliferous Limestone (CaCO3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 inclusions)
Sandstone (Quartz-rich)
Arenite (SiO2 based clastic rock)
Chert (Septarian Nodules-like)
Silicon dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)