Sandstone (Ferruginous)
Arenite (Fe2O3 enriched)
Category
Browse sedimentary (man made) specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Arenite (Fe2O3 enriched)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (with Iron Oxides)
Limestone
Calcareous Sedimentary Rock (CaCO3)
Banded Chert / Banded Jasper (likely a variety of Chert/Chalcedony)
Chert (microcrystalline quartz)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartzose)
Arenite (Formula: SiO2 primary, with various cements)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
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)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (Siliclastic sedimentary rock), SiO2 + various minerals
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily SiO2 with iron oxide cementation)
Chert (Jasper variation)
Silicon dioxide (SiO2)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone (Yellow/Tan)
Clastic sedimentary rock (primarily SiO2 with iron oxide staining)
Sandstone
Arenite (primarily SiO2)
Sandstone Clast
Arenite (primarily SiO2)
Jasper
Jasper (Silica/Quartz) - SiO2
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Sandstone (River Rock)
Arenite (composed primarily of SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite or Sandstone
Granite (weathered pebble)
Granite (plutonic igneous rock)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Limestone with Calcite Crystals
Calcium Carbonate (CaCO3)
Red Jasper (Banded Jasper)
Jasper (Silicon Dioxide, SiO2)
Chert (Nodular Chert)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Sandstone (Weathered Cobble)
Clastic Sedimentary Rock (primarily SiO2)
Jasper (Iron-rich)
Silicon Dioxide (SiO2) with Hematite (Fe2O3) impurities
Milky Quartz
Silicon Dioxide (SiO2)
Limestone
Calcareous Sedimentary Rock (CaCO3)
Sandstone
Quartz Arenite (a type of sandstone composed of more than 90% quartz)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 + various cementing minerals)
Sandstone
Arenite (primarily SiO2)