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