Coal (Anthracite / Bituminous)
Organic Sedimentary Rock (Carbon-based)
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Coal (Anthracite / Bituminous)
Organic Sedimentary Rock (Carbon-based)
Sandstone / Chert Pebble
Silicon Dioxide / Sedimentary Rock (SiO2)
River Pebble (Granitic Sandstone)
Clastic sedimentary rock (Lithic Arenite)
Sandstone pebble
Clastic sedimentary rock (primarily SiO2)
Fossiliferous Limestone
Carbonate Sedimentary Rock (primarily CaCO3)
Soft Limestone
Calcite-rich Sedimentary Rock (CaCO3)
Jasper Conglomerate
Clastic Sedimentary Rock (Conglomeratic Quartzite)
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2)
Riverstone (likely Graywacke or Siltstone)
Sedimentary sandstone (Graywacke), SiO2 dominant
Ferruginous Sandstone
Iron-rich Clastic Sedimentary Rock
Siltstone
Siltstone (Detrital Clastic Sedimentary Rock)
Coal
Bituminous Coal (organic sedimentary rock)
Limestone with Calcite Vug
Calcium Carbonate (CaCO3) in Sedimentary Matrix
Iron-rich sandstone (Gozan/Ironstone)
Ferruginous Sandstone (clastic sedimentary rock)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
River Cobble
Clastic Sedimentary (Quartz-rich Cobble)
Sandstone (Stream-Rolled)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2)
Silty Shale or Mudstone
Siltstone/Mudstone (Clastic Sedimentary Rock)
River Stones (Quartzite and Sandstone)
Quartzite / Sedimentary Rock (SiO2 dominant)
Dragon Stone
Ohko Stone (Argillaceous sedimentary rock)
Sandstone (Greywacke/Siltstone variant)
Clastic Sedimentary Rock (Lithic Wacke)
Sandstone (Quartzite-rich River Cobble)
Clastic sedimentary rock (primarily SiO2)
Coquina Limestone (Fossiliferous Limestone)
Calcareous bioclastic sedimentary rock (CaCO3)
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (with manganese staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Water-worn Pebble)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Bituminous Coal
Bituminous coal (Organic Sedimentary Rock)
Sandstone Concretion
Sandstone (Sedimentary rock, mostly SiO2)
Geode (Unopened)
SiO2 (Quartz-filled Sedimentary Nodule)
Travertine (Tufa)
Chemical Sedimentary Rock / Travertine (CaCO3)
Quartz Vein in Siltstone
SiO2 (Quartz) on clastic sedimentary matrix
Limestone (River Pebble)
Calcite-rich Sedimentary Rock (CaCO3)
Sandstone (Greywacke/Lithic Sandstone)
Clastic Sedimentary Rock (Lithic Sandstone)
Jasper Conglomerate (Puddingstone)
Jasper Conglomerate (Siliceous Sedimentary Rock)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Coarse Sand or Fine Gravel
Detrital Sedimentary Fragments (mostly SiO2)
Shale with Coprolite influence
Argillaceous sedimentary rock (Shale/Mudstone)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Painted River Rock
Anthropogenic-modified Siliciclastic Sedimentary Rock
Chert / Flint Conglomerate
Silicified Sedimentary Breccia (primarily SiO2)