Oak-grain Laminate (Industrial/Decorative Furniture Finish)
Melamine Resin-impregnated Decorative Paper on Particleboard (Cellulose/Thermosetting Plastic)
not a rock (synthetic material)
Category
Not A Rock (Synthetic
Browse not a rock (synthetic specimens identified by the Rock Identifier community.
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Portable Ceramic Space Heater
Polished Acrylonitrile Butadiene Styrene (ABS) Plastic with Ceramic Heating Elements
not a rock (synthetic/industrial object)
Synthetic Faux Fur Fursuit
Polyacrylonitrile / Polyester (Synthetic Textile)
not a rock (synthetic material/costume)
Not a rock
Not a rock
Not a rock
Not a rock
Not a rock
Not a rock
Not a rock
Not a rock
Not a rock
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
not a rock
Faceted Clear Quartz or Diamond Simulant
Silicon Dioxide (SiO2) if Quartz or Cubic Zirconia (ZrO2) if Synthetic
gemstone
Faceted Gemstone
Unknown transparent mineral, possibly Diamond (C), Cubic Zirconia (ZrO2), Quartz (SiO2), or Glass
gemstone
Painted River Rock
Painted Quartzite or Smooth Siltstone
sedimentary
Silicon Carbide (Carborundum)
Silicon Carbide, SiC
mineral
Painted Rock
Weathered Sedimentary Rock (Painted)
sedimentary
The user-provided image does not contain a rock or mineral specimen
N/A
Opalite
Synthetic Opalised Glass
glass
Note on Image Identification: Textile
N/A (Anthropogenic material)
not a rock
Opalite
Synthetic Opalite Glass
mineraloid (man-made)
Dyed Quartzite
Metamorphosed Quartz (SiO2) with synthetic pigment
metamorphic
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Non-geological / Synthetic
Cubic Zirconia (as used in jewelry setting)
Zirconium dioxide (ZrO2)
mineral
Sedimentary Rock with Crafts (Pet Rock)
Sedimentary rock decorated with synthetic materials
sedimentary
Clear Quartz crystals on a Matrix base (Geode fragment)
Silicon Dioxide (SiO2)
mineral
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
man-made/construction material
Digital Multimeter (Synthetic Object)
Digital Multimeter (DMM)
not a rock
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Painted River Rock
Polished fluvial clast with acrylic/synthetic pigment coating
Sedimentary or Metamorphic (base substrate)
Coal (Bituminous or Anthracite)
Carbonaceous Sedimentary Rock
sedimentary
Not a geological specimen
N/A (man-made object)
N/A
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
mineral
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Synthetic / Textile
Blue Goldstone
Man-made glass with cobalt and metal flecks
man-made glass
Likely blue glass or synthetic gemstone jewelry
Uncertain; possibly synthetic spinel, cubic zirconia, or blue glass
gemstone
Painted River Rock
Anthropogenic-modified Siliciclastic Sedimentary Rock
Sedimentary
Pink faceted gemstone, likely synthetic ruby or pink sapphire
Corundum (Al₂O₃), possibly chromium-colored ruby; synthetic origin likely
gemstone
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Feldspar Rock
igneous
Plastic Building Toy (Lego-style piece)
Acrylonitrile Butadiene Styrene (ABS)
not a rock/mineral
Pink Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate
mineral
Limonite (Iron Ore)
Limonite; FeO(OH)·nH2O
mineral
Blue-and-white opalite sphere
Opalite (commercial synthetic or glass-based imitation; not true opal), typically silica glass or synthetic opalescent material
mineral
Green glass-like cabochon, likely synthetic glass or resin
Unidentified green transparent material; possibly molded glass, synthetic spinel, or resin
gemstone
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
mineral
Tumbled jasper pebble
Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides and hydroxides
mineral
Painted River Rock
Artificially Coated Sedimentary Rock
sedimentary