Sandstone (likely Iron-rich or Arkosic)
Arenite (SiO2 with FeO(OH) or Fe2O3 staining)
Category
Browse sedimentary (physico chemical precipitate) specimens identified by the Rock Identifier community.
Sandstone (likely Iron-rich or Arkosic)
Arenite (SiO2 with FeO(OH) or Fe2O3 staining)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone
Arenite
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (likely Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Fossiliferous)
Clastic Sedimentary Rock (primarily SiO2)
Zebra Stone (Banded Chert or Limestone)
Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) inclusions
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Siltstone
Siltstone (primarily SiO2, Al2O3)
Quartz (Common Quartz Pebble)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Sandstone
Arenite (SiO2, often with CaCO3 or Fe2O3 cement)
Jasper with Iron Staining
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Limestone (Concretionary or Tufa)
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 cement)
Yellow Quartzite Pebble
Quartzite (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (primarily Chalcedony or Quartz, SiO2)
Concretion with Quartz Veining
Septarian Concretion (CaCO3 / SiO2)
Yellow Chert (Jasper)
Chalcedony (SiO2) with iron oxide inclusions
Ferruginous Sandstone (River Pebble)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 cement)
Sandstone (likely Arkosic or Lithic Sandstone)
Arenite (SiO2 based with mineral inclusions)
Granular Sandstone
Arenite (variable composition, primarily SiO2)
Sandstone (Ferruginous)
Arenite (complex silicate composition with iron oxides)
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite
Sandstone
Arenite (SiO2 primarily)
Sandstone
Arenite (SiO2 based)
Red Sandstone
Arenite (primarily Quartz with Iron Oxide)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (Greywacke/Siltstone variant)
Arenite / Wacke (SiO2 with diverse mineral inclusions)
Sandstone (Red/Brown Variety)
Arenite (SiO2 with iron oxide impurities)