Limonite (Iron Ore)
Hydrous Iron Oxide (goethite, lepidocrocite)
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Limonite (Iron Ore)
Hydrous Iron Oxide (goethite, lepidocrocite)
Granite
Phaneritic Plutonic Felsic Rock
Native Silver
Silver (Ag)
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
Pyrite
Iron Disulfide (FeS2)
Banded Sandstone
Arenite with Liesegang banding
Diorite
Diorite (Intermediate intrusive igneous rock)
Synthetic Blue Aura Quartz
Silicon Dioxide (SiO2) with Metallic Infusion
United States Quarter Dollar
Cupronickel Clad Alloy (75% Copper, 25% Nickel over a 100% Copper core)
Granite
Granite (a common rock type, not a single mineral with a formula. Composed primarily of quartz, feldspar, and mica/amphibole).
Chalcanthite (Likely Synthetic/Lab-Grown)
Hydrated copper(II) sulfate (CuSO4·5H2O)
Crackled Quartz (Blue Dyed)
Silicon Dioxide (SiO2) with anthropogenic dye
Dyed Quartz (often sold as 'Blue Quartz' or 'Blue Agate')
Silicon Dioxide (SiO2) with artificial pigment
Petrified Wood
Silicified Wood (primarily SiO2)
Quartz
Silicon Dioxide (SiO₂)
Chert (or Flint)
Chert (a cryptocrystalline variety of quartz, SiO2)
Jade (likely Jadeite)
Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)
Basalt
Basalt
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Carnelian
Chalcedony (cryptocrystalline quartz), SiO2
Rough Diamond
Diamond (Pure Carbon: C)
Smoky Quartz
Smoky Quartz (SiO2)
Granite
Granite (felsic intrusive igneous rock)
Pyrite
Iron Disulfide (FeS2)
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Alkali Feldspar, and Plagioclase)
Metal Alloy (Jewelry)
Not a naturally occurring rock or mineral; likely a metal alloy for jewelry. Possible compositions include sterling silver (92.5% silver, 7.5% copper), or other silver/gold alloys.
Granite
Phaneritic plutonic rock (SiO2 typically >69%)
Serpentinite
Serpentinite (composed primarily of serpentine-group minerals like antigorite, chrysotile, and lizardite; chemical formula varies but generally Mg3Si2O5(OH)4)
Lapis Lazuli
Lapis Lazuli (a rock type, not a single mineral, composed primarily of lazurite, calcite, and pyrite)
Jade (Nephrite or Jadeite)
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2 - a variety of actinolite, an amphibole mineral); Jadeite (Na(Al,Fe3+)Si2O6 - a pyroxene mineral)
Chert (specifically Flint or Common Chert node)
Silicon Dioxide (SiO2)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Diamond
Diamond (pure carbon, C)
Common Marble
Calcium Carbonate (CaCO3)
Chert (Jasper Variant likely)
Silicon Dioxide (SiO2)
Diamond Plate (Steel)
Alloyed Carbon Steel or Aluminum with 'Durbar' pattern
Asphalt Chunk (with aggregate)
Bituminous concrete / Anthropogenic conglomerate
Ferrous Slag (Iron Smelting By-product)
Fused Siliceous Slag
Ferrochrome Slag
Industrial Glassy Slag (Fe-Cr alloy byproduct)
Synthetic Costume Glove (Paws)
Polyethylene terephthalate (Polyester) & Polyurethane blend
Clay (as a rock-forming material)
Clay minerals (e.g., Kaolinite group, Smectite group, Illite group, Chlorite group)
Granite Cobble/Pebble
Granite