Jasper
Silicon dioxide (SiO2)
Category
Browse anthropogenic (human made) sedimentary like material specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide (SiO2)
Sandstone
Arenite or Sandstone
Grey Chalcedony (Tumbled)
Chalcedony (SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Ferruginous Conglomerate
Ferruginous Conglomerate (Clastic Sedimentary Rock)
Green Jasper (with Quartz veining)
Jasper (Silica-rich microcrystalline variety of Quartz), formula: SiO2
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Porcelain Tile (Sandstone-look)
Man-made Ceramic (resembling Quartz-rich Sandstone)
Coquina or Fossilized Shell Aggregate
Calcareous bioclastic sedimentary rock (CaCO3)
Coquina
Bioclastic Limestone
Sandstone
Arenite
Fluorite
Calcium Fluoride (CaF2)
Fluorite (Polished Point/Tower)
Calcium Fluoride (CaF2)
Shale or Siltstone
Sedimentary Clastic Rock (Variable mineral composition including quartz and clay minerals)
Pyrite in Quartz (Drill Core)
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
Chert (White/Gray variety)
Chert (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Banded Calcite (often sold as 'Mexican Onyx' or 'Green Onyx')
Calcite (CaCO3)
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Yellow Quartzite (River Stone)
Quartzite (primarily SiO2)
Chert (variously known as Flint or Microcrystalline Quartz)
Silicon dioxide (SiO2)
Petrified Wood
Silicified Wood (primarily Chalcedony/Quartz, SiO2)
Green Jasper
Silicon Dioxide (SiO2)
Siltstone
Siltstone (primarily composed of SiO2)
Sandstone (Greywacke/Lithic Sandstone)
Arenite / Lithic Sandstone
Chert (White Variety)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (primarily SiO2)
Yellow Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with iron oxide (Limonite/Goethite) inclusions
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
Chert / Flint Nodule
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Granite Cobble
Phaneritic Felsic Igneous Rock (Granite)
Limestone
Calcium Carbonate (CaCO3)
Chert (varietal Flint or Jasper)
Microcrystalline Quartz (SiO2)
Opalite
Synthetic Opalised Glass
Sandstone
Arenite (primarily SiO2)
Jasper with Quartz Vein
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Hematite
Iron(III) oxide (Fe2O3)
Chert (Flint)
Silicon Dioxide (SiO2)
Conglomerate
Conglomerate (clastic sedimentary rock)
Pink Tumbled Quartz (Dyed)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 cementation)