Red Sandstone
Arenite (with iron oxide cement)
Category
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
Red Sandstone
Arenite (with iron oxide cement)
Calcite (Honey Calcite and Agate)
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily SiO2)
Sandstone (with Quartz veining)
Arenite (primarily SiO2)
Sandstone (likely Arkosic or Lithic Sandstone)
Sandstone (SiO2 predominant)
Shiva Lingam
Cryptocrystalline Quartz (Jasperiod Siltstone)
Sandstone
Clastic sedimentary rock (SiO2 primary)
Sandstone
Clastic sedimentary rock (primarily Quartz)
Sandstone or Mudstone
Sedimentary Rock (Sandstone/Mudstone)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Banded Gneiss
Gneiss (Metamorphic Rock)
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
Sandstone
Arenite (primarily SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Sandstone with Quartz Veining
Clastic sedimentary rock (SiO2 dominated)
Chert
Chert (variant of microcrystalline quartz)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Banded Slate or Siltstone with Quartz/Calcite Veins
Protolith-derived Siltstone or Slate (varies based on degree of metamorphism)
Sandstone Pebble
Arenite (primarily SiO2)
Shale with Iron Staining
Fissile Argillaceous Sedimentary Rock
Sandstone
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite with Iron-Oxide cement
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (SiO2 with Fe2O3 inclusions)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Limestone with Fossil Imprints
Biogenic Limestone (Calcium Carbonate, CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Weathered Sandstone with Algae Growth
Arenite
Sandstone (Ferruginous)
Arenite with Iron Oxide matrix
Fragmented Sedimentary Pebble
Clastic Sedimentary Specimen
Sandstone
Arenite (Quartz Sandstone)
Sandstone
Arenite (Clastic Sedimentary Rock)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Sandstone (SiO2-rich clastic sedimentary rock)
Jasper
Chalcedony (Microcrystalline Quartz) - SiO2
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Red Siltstone (or Red Shale)
Clastic Sedimentary Rock (Composition: primarily Quartz, Clay minerals, and Hematite Fe2O3)
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
Quartz Druzy (Geode Fragment)
Silicon Dioxide (SiO2)