Quartz Pebble (Chalcedony / Agate)
Silicon Dioxide (SiO2)
Category
Browse sedimentary (base), then artificial specimens identified by the Rock Identifier community.
Quartz Pebble (Chalcedony / Agate)
Silicon Dioxide (SiO2)
Aura Quartz (Coated Quartz)
Silicon Dioxide (SiO2) treated with metallic vapor
Dyed Agate
Chalcedony (Silicon Dioxide, SiO2)
Dyed Blue Agate
Silicon Dioxide (SiO2) with artificial pigment
Dyed Agate (Tumbled)
Silicon Dioxide (SiO2) - stained microcrystalline quartz
Dalmatian Jasper (Dyed Blue)
Peralkaline Rock with Arfvedsonite and Blue Dye
White Quartz Sphere
Silicon Dioxide (SiO2)
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
Painted River Rock (likely Quartzite or Granite)
Quartzite or Granitic Gneiss (painted)
Blue Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
Asphalt Conglomerate
Artificial Bituminous Conglomerate
Crackled Quartz (Dyed)
Silicon Dioxide (SiO2)
Pet Rock (Quartzite/Sandstone River Rock)
Silicon Dioxide (SiO2) mixture
Dyed Blue Agate Geode Slice
Chalcedony (Silicon Dioxide, SiO2)
Dyed Coral
Calcium carbonate (CaCO3) - Calcite or Aragonite with dye
Heat-Treated Citrine (Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Dyed Tumbled Quartz (Dragon's Vein Agate/Quartz)
Silicon Dioxide (SiO2) with artificial dye
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Blue Dyed Agate
Chalcedony (Silicon Dioxide, SiO2)
Asphalt
Asphalt concrete
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Pink Dyed Agate Geode Slice
Silicon Dioxide (SiO2) with artificial pigment
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
Trilobite Fossil (Flexicalymene)
Flexicalymene ouzregui
Blue Agate (likely Dyed)
Silicon Dioxide (SiO2) - Chalcedony variety
Blue Onyx (Dyed Agate)
Cryptocrystalline Quartz (SiO2) with artificial pigment
Dyed Quartz Geode
Dyed crystalline quartz (Silicon Dioxide, SiO2)
Dyed Agate
Chalcedony (SiO2)
Peacock Ore (Treated Chalcopyrite)
Copper Iron Sulfide (CuFeS2) coated with oxides
Dyed and Metallic Coated Agate Geode
Silicon Dioxide (SiO2) with titanium/gold vapor deposition coating
Dyed Pink Agate
Silicon Dioxide (SiO2) with artificial dye
Dyed Blue Agate
Silicon Dioxide (SiO2) with artificial cobalt-based dye
Dendritic Siltstone
Siltstone with Manganese Dendrites (MnO2)
Dyed Agate Slice
Chalcedony (Silicon Dioxide, SiO2) with artificial pigment
Aura Quartz (Coated Quartz)
Silicon Dioxide (SiO2) coated with vaporized metals
Blue Topaz
Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2]
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Dyed Blue Agate
Silicon dioxide (SiO2) with artificial pigment
Citrine (Heat-Treated Amethyst)
Silicon Dioxide (SiO2)