Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Category
Browse man made object (simulant) specimens identified by the Rock Identifier community.
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Painted River Rock
Artificially Coated Sedimentary Rock
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
Dyed Agate
Chalcedony (SiO2)
Green Agate
Silicon dioxide (SiO₂)
Concretion
Sedimentary Concretion (Ironstone / Calcite Concretion)
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)
Aura Quartz (Titanium/Rainbow Quartz)
SiO2 (Silicon Dioxide) with metallic coating
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
Blue glass-like tumbled specimen
Most likely cobalt-blue slag glass or manufactured glass; not confidently identifiable as a natural mineral from the image
Diamond
Carbon (C)
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
Weathered iron-rich concretion or ironstone nodule
Goethite–hematite limonite concretion (FeO(OH), Fe₂O₃, and hydrated iron oxides)
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
Mother of Pearl (Nacre)
Aragonite (CaCO3) with Organic Matrix
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Dyed Crackle Quartz (Green)
Quenching-treated Quartz (Silicon Dioxide, SiO2)
Sea Glass
Man-made vitreous material (silica-based glass)
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Opalite
Synthetic Opalized Glass (SiO2 + additives)
Sea Glass (specifically Frosted White)
Amorphous Silica (substance: Sodium-calcium silicate glass)
Opalite
Synthetic Glass (Simulated Opal)
Carborundum (Silicon Carbide)
Silicon carbide (SiC)
Aqua Aura Quartz
Titanium/Gold-coated Silicon Dioxide (SiO2)
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
Opalite
Synthetic Fluorescent Glass (SiO2 + impurities)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Opalite
Synthetically produced glass (Silicon Dioxide with metallic inclusions)
Aura Quartz (Pink/Rose Aura Quartz)
Silicon Dioxide (SiO2) bonded with Platinum and/or Silver
Green Slag
Anthropogenic Silicate Glass
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
Ferrous Slag
Iron/Steel Slag (Complex Calcium-Alumino-Silicates)
Aura Quartz (Rainbow Quartz)
Silicon Dioxide (SiO2) with metallic vapor coatings
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions