Hematite
Iron(III) oxide (Fe2O3)
Category
Browse not a rock (synthetic material) specimens identified by the Rock Identifier community.
Hematite
Iron(III) oxide (Fe2O3)
Man-made Glass (Tumbled/Shaped)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Opalite
Man-made Synthetic Glass (Silicon Dioxide with metal additives)
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Note: Item is not a geological specimen
Polyester mesh and Ethylene-vinyl acetate (EVA) polymer
Ring with an Orange Inlay
N/A (Man-made object)
Not a geological specimen
N/A (man-made object)
Cat's Eye Moonstone (Simulated/Synthetic or natural Cat's Eye Quartz/Glass)
There is no single scientific name. The appearance suggests either: Moonstone (feldspar group), Cat's Eye Quartz (SiO2), Apatite (Ca5(PO4)3(F,Cl,OH)), or most likely a synthetic material such as Fiber Optic Glass or 'Opalite' (a type of glass).
The user-provided image does not contain a rock or mineral specimen
Dyed Quartzite
Metamorphosed Quartz (SiO2) with synthetic pigment
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
Blue Goldstone
Aventurine Glass (SiO2 with Cobalt/Copper inclusions)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
Blue Goldstone
Aventurine Glass (SiO2 with Co and metallic inclusions)
Asphalt (Bituminous Concrete)
Bituminous Concrete / Pavement
Digital Multimeter (Synthetic Object)
Digital Multimeter (DMM)
Limonite (Iron Ore)
Limonite; FeO(OH)·nH2O
Staurolite (Fairy Stone)
Staurolite (Fe2+2Al9Si4O23(OH))
Lapis Lazuli (Low Grade)
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)
Bauxite
Bauxite (Mixture of Hydrous Aluminum Oxides)
Plastic Building Toy (Lego-style piece)
Acrylonitrile Butadiene Styrene (ABS)
Blue Sapphire
Corundum (Al2O3) with traces of Iron and Titanium
Goldstone (Red)
Aventurine Glass
Rough Ruby
Corundum (Al2O3 with Chromium impurities)
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with trace amounts of Chromium/Vanadium
Lava Stone and Chakra Beads
Basalt (with various mineral/synthetic beads)
Diamond
Diamond (C)
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Ruby (Pink to Red Corundum)
Al2O3 (Corundum with Chromium impurities)
Dyed Agate
Silicon Dioxide (SiO2) with synthetic dyes
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
Bauxite
Bauxite (principal ore of aluminum, primarily Al(OH)3)
Lapis Lazuli
Lazurite-dominant Metamorphic Rock (complex aluminosilicate)
Lapis Lazuli (Tumbled)
Lazurite-dominated contact metamorphic rock
Lapis Lazuli
Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)
Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)
Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)
Ruby
Corundum (Al2O3 with Chromium trace impurities)
Lapis Lazuli (Tumbled Stone)
Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)