Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
not a rock or mineral
Category
Anthropogenic Mineral Mimic
Browse anthropogenic mineral mimic specimens identified by the Rock Identifier community.
Opalite
Synthetic Opalite Glass (Silicon Dioxide)
mineraloid (man-made)
Blue Goldstone
Aventurine Glass (SiO2 with Co and metallic inclusions)
mineral (synthetic glass)
Synthetic Marbled Aggregate (Footwear Component)
Ethylene-vinyl acetate (Croslite™)
not a rock (man-made polymer)
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Synthetic / Textile
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Man-made Jewelry Charm (Enameled Metal)
Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.
Synthetic / Manufactured Artifact
Opalite
Synthetic Glass (Simulated Opal)
mineral
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Green Slag Glass
Amorphous Silica Glass (Anthropogenic)
Industrial byproduct (often mistaken for obsidian or mineral)
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Mineral equivalent / Metal Alloy
Sandstone (Wonderstone)
Arenite (composed primarily of SiO2 with Fe2O3 impurities)
sedimentary
Sandstone (Picture Sandstone)
Arenite (primarily SiO2 with iron oxide impurities)
sedimentary
Cupronickel (on a 1981 Mexico 20 Pesos coin)
Copper-Nickel Alloy (Cu75Ni25)
mineral
Mystic Topaz
Aluminum silicate fluoride hydroxide with titanium coating (Al2SiO4(F,OH)2)
mineral
Red Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5) with Red Dye
mineral
Tumbled Moonstone
Feldspar (Orthoclase/Albite), KAlSi3O8
mineral
Red Dyed Howlite
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Green Quartzite
Quartzite (primarily SiO2 with trace impurities)
metamorphic
Crackled Quartz (Blue Dyed)
Silicon Dioxide (SiO2) with anthropogenic dye
mineral
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Acrylic or Resin (Synthetic Imitation)
Polymethyl Methacrylate (PMMA) or Polyepoxide
Synthetic/Man-made Polymer
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)
Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)
sedimentary
Sandstone (Wonderstone)
Silicified Sandstone / Orthoquartzite with Liesegang rings
sedimentary
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Mineral-like Industrial Smelting Waste
Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
mineral
Bumblebee Jasper
Fossiliferous Calcite containing Orpiment and Realgar
sedimentary
Sea Glass
Amorphous Silica (Anthropogenic glass) - SiO2
mineral
Diamond
Native Carbon (C)
mineral
Leopard Skin Jasper
Jasper (Silicon Dioxide with impurities), SiO2
sedimentary
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Slag (Industrial Glassy Byproduct)
Anthropogenic silicate byproduct (Slag)
Mineral-like byproduct (often mistaken for igneous rock or meteorite)
Banded Agate (Brazilian Agate Slice)
Chalcedony (Silicon Dioxide / SiO2)
Mineral
Sandstone Geode (Ironstone Concretion)
Arenite with Limonite/Hematite matrix (SiO2 with Fe-oxides)
sedimentary
Zebra Jasper
Silicon Dioxide (SiO2) with impurities; typically a form of Chalcedony/Microcrystalline Quartz
sedimentary
Chlorite Included Quartz
Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Li)6AlSi3O10(OH)8
mineral
Iron Slag
Anthropogenic Vitreous Silicate (Byproduct of Smelting)
Mineral-like byproduct
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
Mineral
Serpentine
Serpentinite (group of minerals: (Mg,Fe,Ni,Al)3Si2O5(OH)4)
metamorphic
Opalite
Synthetic Opalised Glass
Mineral (Synthetic / Man-made)