Sandstone Pebble
Quartzose Sandstone (Sedimentary Rock)
sedimentary
Category
Sedimentary (Anthropogenic)
Browse sedimentary (anthropogenic) specimens identified by the Rock Identifier community.
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Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Conglomerate
Conglomerate Rock
sedimentary
Septarian Nodule (Septarian Dragon Stone)
Septarian Concretion (Composition: Calcite, Aragonite, and Limestone/Clay)
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Pink Quartz
Silicon Dioxide (Quartz), SiO2
mineral
Polished Stone Pendant (Identity Unclear)
Unknown (Possibly Jasper/Agate/Quartz mixture)
mineral
Mica
Mica group (often Muscovite or Biotite)
mineral
Clear Quartz
SiO2 (Silicon Dioxide)
gemstone
Conglomerate (Red Sandstone variety)
Clastic Sedimentary Rock (Conglomeratic Sandstone)
sedimentary
Sedimentary Strata of the Badlands (Mudstone, Siltstone, and Sandstone)
White River Group (Brule and Chadron Formations)
sedimentary
Jasper (Sedimentary variety)
Silicon Dioxide (SiO2) with impurities
sedimentary
Chalk (Sedimentary Pebble)
Calcium Carbonate (CaCO3) - Biogenic Limestone
sedimentary
Fossiliferous Sedimentary Rock (Coquina/Limestone)
Fossiliferous Calcarenite / Bioclastic Limestone
sedimentary
Sandstone with Quartz Sphere
Arenite (SiO2-rich sedimentary rock) with Quartzite/Rose Quartz sphere
sedimentary
Dendritic Siltstone
Siltstone with Manganese Dendrites (MnO2)
sedimentary
Coal
Combustible sedimentary rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone Pebble
Sedimentary quartz arenite
sedimentary
Flagstone
Sedimentary Sandstone / Flagstone
sedimentary
Brachiopod Fossil in Sedimentary Rock
Phylum Brachiopoda fossil imprint in sedimentary matrix
fossil
Tumbled sandstone pebble
Quartz-rich sandstone, commonly subarkose or arkose
sedimentary
Banded Ironstone / Jasper Siltstone
Siltstone with Iron Oxide Hydrates (SiO2 with Fe2O3/FeO(OH))
sedimentary
Quartz-veined Siltstone
Siltstone with Quartz (SiO2) veins
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Red Sandstone Pebble
Sedimentary quartz sandstone
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Jasper and Quartzite Breccia
Silicified sedimentary breccia
sedimentary
Fossiliferous Limestone
Biogenic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Sedimentary Clastic Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic sedimentary rock
sedimentary
Stromatolite
Biogenic sedimentary rock
sedimentary
Sandstone (Banded)
Sedimentary Clastic Rock
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary