Blue Crackle Quartz (Dyed Quarzite)
Silicon Dioxide (SiO2) with artificial dye
Category
Browse antropogenic (man made industrial byproduct) specimens identified by the Rock Identifier community.
Blue Crackle Quartz (Dyed Quarzite)
Silicon Dioxide (SiO2) with artificial dye
Dyed Blue Agate (Dragon Vein Agate)
Silicon Dioxide (SiO2) with artificial cobalt/organic dyes
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
Goldstone (Red)
Aventurine Glass (SiO2 + Cu)
Blue-green cabochon, likely chalcedony or treated glass imitation
Cryptocrystalline quartz (chalcedony/possibly chrysoprase); identification uncertain from image
Blue Obsidian
Volcanic Glass (SiO2 with inclusions)
Asphalt Conglomerate
Artificial Bituminous Conglomerate
Opalite crescent pendant
Opalite (man-made opalescent glass; not a natural mineral)
Sea Glass
Man-made vitreous material (silica-based glass)
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
Goldstone (Brown/Gold)
Aventurine Glass (Man-made glass with Copper inclusions)
Diamond
Carbon (C)
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
Hematite
Iron(III) oxide (Fe2O3)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Leland Blue Stone
Anthropogenic Iron Smelting Slag
Opalite
Synthetic Opalised Glass
Opalite
Synthetic glass (SiO2 + metal additions)
Metallic sulfide mineral fragment, likely galena
Galena (lead sulfide, PbS), tentative identification
Glass Nugget (Tumbled Glass)
Amorphous Silicon Dioxide (SiO2) with additives
Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)
Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)
Synthetic Faux Fur Fursuit
Polyacrylonitrile / Polyester (Synthetic Textile)
Sandstone (with man-made markings)
Arenite (composed primarily of Quartz, SiO2)
Engineered Quartz Stone
Agglomerated Quartz (SiO2 + Polymer Resin)
Sea Glass
Amorphous silicon dioxide (SiO2) - Man-made glass tumbled by nature
Raw quartz crystal
Quartz (silicon dioxide, SiO₂), likely milky or included quartz
Jasper (Multi-colored) / Sea Glass Slag
Silicon Dioxide (SiO2) with impurities of Iron Oxide
Pyrite
Iron Sulfide (FeS2)
Blue Goldstone
Synthetic Avanturine Glass (or Aventurine Glass)
Slag
Anthropogenic Vitreous Silicate / Ferro-silicate Slag
Diamond (in a jewelry setting)
Carbon (C)
Aventurine
Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Dark polished stone, likely basalt or slag-like volcanic rock
Probable fine-grained basalt; exact identification requires testing
Diamond (in jewelry setting)
Diamond (C - Carbon)
Cubic Zirconia (Man-made)
Cubic Zirconia (ZrO2) with Enamel and Metal Alloy
Green Slag Glass
Amorphous Silica Glass (Anthropogenic)
Bituminous Coal
Coal (Organically derived sedimentary rock)
Blue slag glass or dyed glass-like industrial material
Amorphous silicate glass; likely copper-bearing blue slag, but possibly colored man-made glass
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Moissanite
Silicon Carbide (SiC)
Slag (Industrial Glass)
Anthropogenic Amorphous Vitreous Silicate
Diamond
Native Carbon (C)