Quartz Crystal Cluster / Quartzite
Silicon Dioxide (SiO2)
Category
Browse man made composite (lithified equivalent of sedimentary) specimens identified by the Rock Identifier community.
Quartz Crystal Cluster / Quartzite
Silicon Dioxide (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 principal component)
Wood Paneling
Engineered Wood / Plywood Paneling
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 based)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Sandstone (SiO2 dominant)
Sandstone
Arenite
Sandstone Pebble
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone (Red/Brown Variety)
Arenite (SiO2 with iron oxide impurities)
Sandstone
Arenite
Quartz
Quartz (SiO₂)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
Fossiliferous Limestone with Quartz Veining
Limestone (Calcium Carbonate, CaCO3)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Limestone (with Calcite Veining)
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (with Iron Oxide staining)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (likely Iron-rich or Arkosic)
Arenite (SiO2 with FeO(OH) or Fe2O3 staining)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (Lithic Sandstone)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Quartz (likely) or a Quartzite Pebble
Silicon dioxide (SiO2) for quartz. If it's quartzite, it's a metamorphic rock primarily composed of quartz.
Ferruginous Sandstone
Clastic sedimentary rock (SiO2 with Fe2O3/FeO(OH) cement)
Sandstone
Arenite (primarily SiO2)
Limestone with Iron Inclusions
Calcium Carbonate (CaCO3) with Hematite/Limonite
Sandstone Pebble
Arenite (SiO2 complex)
Shale
Shale (Fine-grained clastic sedimentary rock)
White Quartz
Silicon Dioxide (SiO2)
Quartz Crystal
Silicon Dioxide (SiO2)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Sandstone (Micaceous)
Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)
Ferruginous Sandstone (Red Sandstone)
Arenite with Hematite/Limonite cement
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Sandstone
Arenite (SiO2 based)
Limestone
Calcite (CaCO3)
Sandstone
Arenite (mostly Quartz-based)
Claystone / Mudstone
Mudstone (Hydrous aluminum silicate rich rock)
Sandstone (Quartz-rich)
Arenite (composed primarily of SiO2)