Polished brown jasper (likely brecciated or orbicular jasper)
Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral inclusions
Category
Browse man made material (simulated mineral) specimens identified by the Rock Identifier community.
Polished brown jasper (likely brecciated or orbicular jasper)
Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and other mineral inclusions
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
Mystic Topaz (Treated Quartz or Topaz)
Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating
Sea Glass
Man-made vitreous material (silica-based glass)
Carborundum
Silicon Carbide (SiC)
Blue Obsidian (Cullet Glass)
Silicon Dioxide (Amorphous Glass)
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Bouncy Ball (Synthetic Rubber Polymer)
Polybutadiene / Ethylene Vinyl Acetate (EVA)
Opalite
Man-made opalized glass
Opalite
Synthetic glass / Opalized glass
Slag
Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)
Ferrous Slag
Iron/Steel Slag (Complex Calcium-Alumino-Silicates)
Turquoise (likely stabilized or simulated Howlite)
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Green Sea Glass
Man-made vitreous material (silica glass)
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Metal Alloy (Likely Pewter or Sterling Silver)
Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).
Opalite crescent pendant
Opalite (man-made opalescent glass; not a natural mineral)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Titanium Coated Kyanite (Aura Kyanite)
Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating
Smelter Slag
Anthropogenic Silicate Slag
Diamond
Native Carbon (C)
Green Obsidian Sphere (man-made glass)
Vitreous Silica with Chromium/Iron additives
Sandstone Concretion
Limonitic Sandstone Concretion
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
Opalite
Synthetic Glass (SiO2 + impurities)
Aluminum Slag
Anthropogenic Aluminum (Al)
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)
Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
Felsic Drill Core (likely Gneiss or Granite)
Felsic Metamorphic Rock (Gneissic profile)
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Synthetic Resin / Plastic Figurine
Synthetic Polymer (Copolymer of Polyethylene or Resin)
Aura Quartz (specifically Titanium Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)
Diamond / Clear Quartz / Glass paste
Carbon (Diamond) / Silicon Dioxide (Quartz)
Goldstone
Aventurine glass (Synthetic glass with copper inclusions)
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)