Limestone
Calcium Carbonate (CaCO3)
Category
Browse anthropogenic sedimentary (man made) specimens identified by the Rock Identifier community.
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (Clastic Sedimentary Rock)
Sandstone
Arenite (SiO2 based)
Sandstone (Quartz-rich)
Arenite (composed mainly of SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (likely Quartzose)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (with Hematite/Limonite cement)
Sandstone (Ferruginous)
Arenite with Iron Oxide matrix
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Sandstone
Arenite
Sandstone (likely Iron-rich or Arkosic)
Arenite (SiO2 with FeO(OH) or Fe2O3 staining)
Sandstone
Arenite (composed primarily of SiO2)
Limestone
Calcium Carbonate (CaCO3)
Weathered basalt or iron-rich volcanic rock
Mafic volcanic rock, likely basalt; exact identification requires testing
Sandstone
Arenite (SiO2 principal)
Sandstone
Arenite (Clastic Sedimentary Rock)
Bivalve Fossil
Bivalvia (Phylum Mollusca)
Argillite (with Barnacles)
Argillite (metamorphosed mudstone/shale)
Fossilized Limestone with Crinoid Stem
Carboniferous Limestone (containing Crinoidea ossicles)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 cementation)
Worn River Pebble with Fossil Indentation
Sedimentary Rock with Fossil Infill
Jasper
Jasper (Silicon Dioxide, SiO2)
Sandstone
Arenite (Siliclastic sedimentary rock)
Sandstone (with Moss/Lichen Growth)
Sandstone (Quartz Arenite / Lithic Arenite)
Sandstone (with Calcite or Silica veins)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Sandstone
Arenite (primarily SiO2)
Sandstone
Clastic Sedimentary Rock
Sandstone
Clastic sedimentary rock
Sandstone
Clastic Sedimentary Rock
Sandstone / Quartzite
Sedimentary quartz arenite
Sandstone
Clastic Sedimentary Rock
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 based)
Sandstone (Quartz-rich)
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Banded Slate Pebble
Metamorphosed Mudstone / Slate
Sandstone
Clastic Sedimentary Rock