Cobalt Blue Glass / Cullet Glass
Silicon dioxide (Amorphous man-made glass)
Category
Browse man made object (simulant) specimens identified by the Rock Identifier community.
Cobalt Blue Glass / Cullet Glass
Silicon dioxide (Amorphous man-made glass)
Faceted Quartz or Cubic Zirconia
SiO2 (Quartz) or ZrO2 (Cubic Zirconia)
Opalite Egg
Synthetic Glass (Simulated Opal)
Dragon's Breath (Mexican Opal Glass)
Artisan Foil Glass (SiO2 based)
Asphalt Concrete
Bituminous conglomerate
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (SiO2) with metallic oxide impurities
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mystic Topaz (Treated Quartz or Topaz)
Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating
Sandstone Concretion
Limonitic Sandstone Concretion
Asphalt (Road Aggregate)
Bituminous conglomerate
Transit Token (RTD Denver)
Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)
Polished blue calcite sphere (tentative identification)
Calcite, CaCO₃; blue color generally results from trace impurities or inclusions
N/A - Man-made object (Jewelry Chain)
Antiqued or Oxidized Metal Chain (often Steel or Brass)
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Concrete
Anthropogenic Conglomerate
Metallic Ornament / Jewelry
N/A - This is an artificial object, not a geological specimen.
Crushed Stone (Likely Limestone or Granite)
Calcium Carbonate (CaCO3) for Limestone / Quartz and Feldspar for Granite
Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Unidentifiable Rock Fragment
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
Opalite
Synthetic Glass (Silica-based)
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
Asphalt Concrete
Bituminous Concrete
Opaline Glass (Opalite)
Synthetic Silicon Dioxide Glass
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
Diamond in Kimberlite
Diamond (C in Kimberlite)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Man-made)
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
Opalite
Synthetic Glass (SiO2 + impurities)
Aura Quartz (specifically Titanium Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Opalite
Synthetic Glass (Simulated Opal)
Opalite
Synthetic Glass (Simulated Opal)
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
Asphalt (Road Aggregate)
Asphalt concrete / Bituminous mixture
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)