Slag
Metallurgical Slag
Category
Browse anthropogenic (man made product subject to geological processes) specimens identified by the Rock Identifier community.
Slag
Metallurgical Slag
Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)
Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Felsic Drill Core (likely Gneiss or Granite)
Felsic Metamorphic Rock (Gneissic profile)
Goldstone (Red)
Aventurine Glass (SiO2 + Cu)
Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
Porcelain (White Ceramic)
Mullite-bearing Vitrified Ceramic (Major phases: Mullite Al6Si2O13, Glassy Silica SiO2)
Mystic Topaz (Treated Quartz or Topaz)
Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating
Opalite crescent pendant
Opalite (man-made opalescent glass; not a natural mineral)
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
Fordite
Anthropogenic paint-rock
Aura Rose Quartz
SiO2 (Silicon Dioxide with Titanium/Gold coating)
Bismuth Crystal
Bismuth (Bi)
Slag Glass (Cullet)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Opalite
Man-made Glass (SiO2 + additives)
Carved Stone Turtle
Carved Soapstone and Quartz
Cherry Quartz with Rose Quartz
Crystalline Quartz (SiO2) with glass-based synthetic components
Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Chert Arrowhead (Lithic Tool)
Microcrystalline quartz (SiO2) - Archeological lithic artifact
Sea Glass
Amorphous silicon dioxide (Man-made glass weathered by nature)
Concretion with Geode Cavity
Ferruginous Sandstone Concretion with Quartz Center
Opalite
Synthetic Opalite (Man-made glass)
Crushed Stone (Likely Limestone or Granite)
Calcium Carbonate (CaCO3) for Limestone / Quartz and Feldspar for Granite
Man-made Crystal (Lead Glass)
Lead oxide-doped Silica Glass (approx. SiO2 + PbO)
Cubic Zirconia (Diamond Simulant)
Zirconium Dioxide (ZrO2)
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
Aqua Aura Quartz
Titanium/Gold-coated Silicon Dioxide (SiO2)
Pink Tumbled Quartz (Dyed)
Silicon Dioxide (SiO2)
Opalite
Synthetic Fluorescent Glass (SiO2 + impurities)
Slag
Ferrous slag (by-product of iron smelting)
Opalite
Synthetic Glass (Simulated Opal)
Sandstone
Arenite
Blue Goldstone
Goldstone (artificial glass)
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
Aqua Aura Quartz
Silicon Dioxide (SiO2) bonded with Gold (Au)