Opalite
Man-made glass (traditionally simulated Opal)
Category
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Opalite
Man-made glass (traditionally simulated Opal)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Opalite
Synthetic Opalised Glass
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Ring with an Orange Inlay
N/A (Man-made object)
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
Sea Glass
Man-made silicate glass weathering product
Opalite
Synthetic Opalized Glass
Blue Goldstone
Aventurine Glass
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
Green glass sphere/marble
Soda-lime glass (primarily SiO2, Na2O, CaO)
Goldstone
Aventurine Glass (Man-made glass with copper inclusions)
Asphalt Concrete
Bituminous conglomerate
Mystic Topaz (Treated Quartz or Topaz)
Aluminum silicate fluoride hydroxide [Al2SiO4(F,OH)2] with thin-film metallic coating
Sandstone Concretion
Limonitic Sandstone Concretion
Blue Goldstone
Man-made glass with suspended copper, cobalt, or manganese particles
Pyrite in Quartz (Drill Core)
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
Aura Quartz (Rainbow Quartz)
Silicon Dioxide (SiO2) with metallic vapor coatings
Asphalt (Road Aggregate)
Bituminous conglomerate
Opalite
Synthetic Glass (Simulated Moonstone/Opal)
Goldstone
Avventurina (Man-made Glass with Copper inclusions)
Blue Goldstone
Synthetic Avanturine Glass (or Aventurine Glass)
Blue Goldstone
Goldstone (artificial glass)
Opalite
Synthetic Opalised Glass
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Transit Token (RTD Denver)
Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)
Opalite
Synthetic glass (SiO2 + metal additions)
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
Opalite
Man-made Synthetic Glass (Silicon Dioxide with metal additives)
Opalite
Synthetic Opalite Glass (Silicon Dioxide)
Concrete with Aggregate
Composite construction material; primary matrix is Calcium Silicate Hydrate (C-S-H)
Goldstone (Brown/Gold)
Aventurine Glass (Man-made glass with Copper inclusions)
Chert Concretion
Chert (Microcrystalline Quartz, SiO2)
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
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
Chert Arrowhead (Projectile Point)
Microcrystalline Quartz (Chert or Flint)
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion