Sandstone Pebble
Arenite (SiO2 based)
sedimentary
Category
Sedimentary (Base), Then Artificial
Browse sedimentary (base), then artificial specimens identified by the Rock Identifier community.
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Sandstone (Quartzose Sandstone)
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Crushed Stone Ballast
Crushed Limestone or Granite Aggregate
sedimentary
Sandstone (Calcareous/Lithic)
Sedimentary Rock (Clastic Sandstone with Calcium Carbonate cement)
sedimentary
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
sedimentary
Limestone (likely weathered)
Limestone (Mainly Calcium Carbonate, CaCO3)
sedimentary
Coquina
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
River Stone (Greywacke)
Greywacke (immature sandstone)
sedimentary
Coquina or Fossiliferous Limestone
Fossiliferous Limstone (CaCO3)
sedimentary
Sandstone (Arkose)
Arkose Sandstone (principally SiO2 with Feldspar)
sedimentary
Sandstone
Arenite (primary component SiO2)
sedimentary
Sandstone (Quartzose)
Arenite (SiO2 based)
sedimentary
Graywacke
Lithic Sandstone (Graywacke)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Dalmatian Jasper
Peralkaline rhyolite with arfvedsonite inclusions
igneous
Sandstone (lithic wake or graywacke)
Clastic sedimentary rock (primarily quartz and lithic fragments)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone (Pebble)
Arenite (SiO2 based)
sedimentary
Chert with Quartz Veining
Microcrystalline Silica (SiO2)
sedimentary
Graywacke
Lithic Sandstone (Graywacke)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
River Cobble
Clastic Sedimentary (Quartz-rich Cobble)
sedimentary
Crushed Stone / Gravel
Aggregatus saxum (variable mineral composition)
sedimentary
Limestone with Chert
Calcium Carbonate (CaCO3) with Silica (SiO2) inclusions
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Coquina (Fossiliferous Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Sandstone (Quartz Sandstone)
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Sandstone nugget
Arenite (primarily Quartz SiO2)
sedimentary
Limestone Pebble
Sedimentary Rock (Calcite, CaCO3)
sedimentary
Sandstone (Greywacke)
Arenite / Greywacke Sandstone
sedimentary
Gneiss
Gneissic Metamorphic Rock
metamorphic
Sandstone
Arenite (SiO2 based)
sedimentary
Quartzite Pebble
Quartzite (SiO2 based)
metamorphic
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone (with potential trace fossils)
Clastic sedimentary rock (primarily SiO2)
sedimentary