Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Category
Browse man made composite (lithified equivalent of sedimentary) specimens identified by the Rock Identifier community.
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 oxides)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Ferruginous)
Arenite (Fe2O3 enriched)
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
Sandstone
Arenite (composed primarily of SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (with Iron Oxides)
Limestone
Calcareous Sedimentary Rock (CaCO3)
BROWN GRANITE (likely 'Tan Brown' or similar)
Granite (specifically a variety rich in orthoclase feldspar, often with biotite and possibly hornblende)
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartzose)
Arenite (Formula: SiO2 primary, with various cements)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Banded Chert / Banded Jasper (likely a variety of Chert/Chalcedony)
Chert (microcrystalline quartz)
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (primarily SiO2 with iron oxide cementation)
Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper variation)
Silicon dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Yellow/Tan)
Clastic sedimentary rock (primarily SiO2 with iron oxide staining)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone Clast
Arenite (primarily SiO2)
Sandstone (Pebble/Conglomerate fragment)
Sandstone (clastic sedimentary rock)
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains, primarily SiO2)
Red Sandstone
Arenite (primarily Quartz SiO2 with Hematite Fe2O3 cement)
Jasper
Jasper (Silica/Quartz) - SiO2
Sandstone (River Rock)
Arenite (composed primarily of SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Sandstone
Arenite (primarily SiO2)
Granite (weathered pebble)
Granite (plutonic igneous rock)
Red Jasper (Banded Jasper)
Jasper (Silicon Dioxide, SiO2)
Limestone with Calcite Crystals
Calcium Carbonate (CaCO3)
Chert (Nodular Chert)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Sandstone (Weathered Cobble)
Clastic Sedimentary Rock (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper (Iron-rich)
Silicon Dioxide (SiO2) with Hematite (Fe2O3) impurities
Limestone
Calcareous Sedimentary Rock (CaCO3)