Tumbled Slate or Basalt Pebble
Metamorphic fine-grained rock / Slate or Phyllite
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Tumbled Slate or Basalt Pebble
Metamorphic fine-grained rock / Slate or Phyllite
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Pebble)
Sandstone (SiO2 with matrix/cement)
Claystone / Mudstone
Mudstone (Hydrous aluminum silicate rich rock)
Sandstone / Limestone
Sedimentary Rock (Quartz Sandstone or Calcareous Grainstone)
Limestone
Calcium Carbonate (CaCO3)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Fossiliferous Limestone
Calcium Carbonate (CaCO3) matrix with biogenic fragments
Fossiliferous Limestone
Limestone (Calcium Carbonate - CaCO3)
Sandstone
Arenite (SiO2 dominant)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 primarily)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Lithic Wacke)
Clastic sedimentary rock (primarily SiO2 with rock fragments)
Sandstone (Calcareous or Quartz-rich)
Arenite
Chert (or Cryptocrystalline Quartz)
Silicon Dioxide (SiO2)
Sandstone
Arenite (SiO2 primarily)
Sandstone (Quartz Sandstone)
Arenite (SiO2 based)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone Pebble
Arenite (SiO2 complex)
Sandstone
Arenite (SiO2 principal)
Dalmatian Stone
Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone (with Chert/Quartzite)
Arenite (SiO2 primarily)
Limestone
Limestone (Calcium Carbonate: CaCO3)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Limestone Pebble
Limestone (Calcium Carbonate, CaCO3)
Kambaba Jasper
Stromatolite / Fossilized Algae (Rhyolitic structure)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone (Micaceous)
Clastic Sedimentary Rock (primarily SiO2 with Mica)
Sandstone
Arenite (predominantly Quartz Sandstone)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Arkosic)
Arenite (SiO2 with KAlSi3O8)
Sandstone
Arenite