Green Slag
Anthropogenic Silicate Glass
Category
Browse man made object (ring) specimens identified by the Rock Identifier community.
Green Slag
Anthropogenic Silicate Glass
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
Ferrous Slag
Iron/Steel Slag (Complex Calcium-Alumino-Silicates)
Aura Quartz (Rainbow Quartz)
Silicon Dioxide (SiO2) with metallic vapor coatings
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
Opalite
Man-made Opalized Glass (Synthetic Glass)
Cherry Quartz
SiO2 (Silicon Dioxide with iron-rich inclusions/dye)
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Slag
Metallurgical by-product
Moldavite
Tektite (Impact Glass), ~80% SiO2 + Al2O3
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
Magnetic Hematite (Man-made)
Iron Oxide (Fe2O3) with Barium-Strontium Ferrite
Pyrite in Quartz (Drill Core)
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
White quartz pebble
Quartz (SiO₂), likely milky quartz
Red gemstone ring, likely garnet or synthetic ruby
Possibly almandine garnet (Fe₃Al₂(SiO₄)₃) or corundum/ruby (Al₂O₃); image alone cannot distinguish
Red Sandstone or Brick Fragment
Arenite (if sandstone)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
Titanium Coated Kyanite (Aura Kyanite)
Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating
Opalite
Synthetic opalescent glass
Asphalt (Bituminous Pavement)
Bituminous mix (Aggregates with Bitumen binder)
Aqua Aura Quartz
Silicon Dioxide (SiO2) bonded with Gold (Au)
Glass
Amorphous Silicon Dioxide (SiO2)
Goldstone
Aventurine glass
Black Onyx
Chalcedony (SiO2)
Opalite
Synthetic Opalised Glass
Boxwork or Septarian Concretion
Septarian nodule / Boxwork weathering
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Chert Concretion
Chert (Microcrystalline Quartz, SiO2)
Bismuth
Bismuth (Bi)
Slag
Metallurgical Slag
Pink Quartz / Sea Glass
Silicon Dioxide (SiO2)
Obsidian (Blue)
Volcanic Glass (SiO2)
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Blue Goldstone
Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)
Green Sea Glass
Man-made vitreous material (silica glass)
Sandstone (with concrete/human-made layer)
Clastic Sedimentary Rock (primarily Quartz/Feldspar grains)
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)