Limestone
Calcium Carbonate (CaCO3)
Category
Browse sedimentary (man made composite) specimens identified by the Rock Identifier community.
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite
Limestone
Calcite (CaCO3)
Limestone (Weathered)
Calcium Carbonate (CaCO3)
Red Sandstone
Arenite (Fe2O3 rich)
Ferruginous Sandstone (Ironstone)
Ferruginous Sandstone / Limonite-cemented Quartz Sandstone
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily Quartz, SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite
Sandstone
Arenite (SiO2 predominantly)
Sandstone (likely Arkosic)
Clastic Sedimentary Rock (primarily SiO2 with Feldspar)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (Lithic arenite / Quartz arenite)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Limestone (Weathered Aggregate)
Sedimentary Carbonate Rock (CaCO3)
Sandstone
Arenite (Siliclastic sedimentary rock)
Sandstone
Arenite (primarily SiO2)
Sandstone (Pebble)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone or Mudstone
Sedimentary Rock (Sandstone/Mudstone)
Sandstone
Arenite (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Hematite/Limonite oxides)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide staining)
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite (on Shale/Matrix)
Iron Disulfide (FeS2)
Glauconitic Sandstone (Greenstone)
Glauconitic Siliciclastic Sandstone (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2
Sandstone
Arenite (composed primarily of Quartz, SiO2)
Sandstone (Stream-rounded)
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 principal component)
Fish Fossil in Limestone
Lycoptera (likely) in Micritic Limestone
Sandstone
Arenite (composed primarily of SiO2)
Petrified Wood
Silicified wood (Quartz variant, SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Sandstone (clastic sedimentary rock), primarily SiO2
Mookaite Jasper
Silicon Dioxide (SiO2) - Radiolarite
Sandstone (likely Arkose or Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartz-rich)
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)