Sandstone
Clastic Sedimentary Rock
Category
Browse sedimentary rock or mineral (depending on origin and purity) specimens identified by the Rock Identifier community.
Sandstone
Clastic Sedimentary Rock
Gold Nugget
Native Gold (Au)
Sandstone / Limestone
Sedimentary Rock (Quartz Sandstone or Calcareous Grainstone)
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
Schist
Metamorphic Rock (Schist)
Hag Stone
Perforated sedimentary rock (typically limestone, sandstone, or flint)
Limestone (specifically Travertine or Tufa)
Calcium Carbonate (CaCO3)
Sandstone
Clastic Sedimentary Rock (Quartz arenite or similar)
Blue Sapphire
Corundum (Al2O3 - Aluminum Oxide with Iron and Titanium impurities)
Quartzite
Quartzite (SiO2)
Shale
Shale (Lutite)
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite
Granite
Felsic intrusive igneous rock
Diamond (faceted)
Diamond (Pure Carbon, C)
Amber
Fossilized Tree Resin
Sandstone
Sedimentary Rock (Quartz Arenite)
Sandstone
Arenite (primarily SiO2)
Quartz (specifically Milky or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Wishing Stone (Basalt/Greywacke with Quartz Vein)
Basalt or Siltstone with SiO2 (Quartz) hydrothermal intrusion
Conglomerate
Conglomerate
Sandstone (with Arkose characteristics)
Clastic sedimentary rock (SiO2 with KAlSi3O8)
Clear Quartz
Silicon Dioxide (SiO2)
Quartzite Pebbler
Quartzite (primarily SiO2)
Sandstone
Sandstone (clastic sedimentary rock)
Diamond (in jewelry setting)
Carbon (C)
Triceratops Fossil
Triceratops horridus
Fluorite
Calcium Fluoride (CaF2)
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
Gravel and Pebbles
Unconsolidated rock fragments (clastic sediment)
Banded Pebble (Metamorphic Slate or Gneiss with Quartz Veining)
Metamorphic Rock with Quartz/Calcite Veins
Gneiss
Gneiss (High-grade metamorphic rock)
Sandstone
Arenite (SiO2 based)
Conglomerate
Conglomerate
Sandstone
Quartzose Sandstone / Lithic Sandstone
Quartz
Silicon Dioxide (SiO2)
Diamond
Carbon (C)
Mixed Tumbled Rocks and Minerals Collection
Mixed Minerals and Rocks (Quartz, Feldspar, Jasper, Agate, Lapis Lazuli, Sodalite, Rose Quartz, Fluorite, etc.)
Sandstone (with vugs or solution cavities)
Arenite (primarily Quartz and Feldspar with CaCO3 or SiO2 cement)
Pink Quartzite
Quartzite (SiO2)