Asphalt Pavement (with aggregate)
Asphalt concrete
Category
Browse anthropogenic (man made) specimens identified by the Rock Identifier community.
Asphalt Pavement (with aggregate)
Asphalt concrete
Cardstock (Paper)
Cellulose (C6H10O5)n
Blue Goldstone
Aventurine Glass (SiO2 with Cobalt/Copper inclusions)
Synthetic Resin (Artificial Specimen)
Polyurethane or Polyester Resin
Blue chalcedony cabochon (probable)
Chalcedony, a cryptocrystalline variety of quartz; silicon dioxide, SiO₂
Sea Glass
Amorphous Silicon Dioxide (SiO2)
Crackle Glass (Simulated Gemstone)
Amorphous Solid (SiO2)
Blue Goldstone
Synthetic glass with copper or cobalt/manganese inclusions
Blue Goldstone
Synthetic Aventurescent Glass (Cobalt-doped soda-lime glass)
Blue Goldstone
Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)
Green Glass Slag
Amorphous Silicon Dioxide (SiO2) with metal oxide impurities
Porcelain (Stoneware Ceramic)
Mullite / Silica-glass composite (Al6Si2O13)
Glass Nugget (Tumbled Glass)
Amorphous Silicon Dioxide (SiO2) with additives
Goldstone (Brown)
Aventurine glass
Red Slag Glass (Cullet)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Slag (Industrial Glass/Metal)
Ferrous slag or Glassy silicate byproduct
Mixed polished gemstone and mineral collection
Primarily quartz varieties (SiO₂), plus probable aventurine, rose quartz, amethyst, agate, jasper, serpentine, feldspar, and possibly dyed or man-made glass pieces
Probable amber fragment
Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)
US Penny
Cuprum (Copper: Cu) and Zincum (Zinc: Zn) Alloy
Quartz (Engineered Quartz Surface)
Silicon Dioxide (SiO2) based composite
Asphalt (Bituminous Concrete)
Bituminous Concrete / Pavement
Goldstone (Synthetic Aventurescence Glass)
Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)
Faceted Glass (Costume Jewelry)
Amorphous Silicon Dioxide with colorants (Glass)
Sea Glass
Amorphous Silica (Glass) SiO2
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
Blue Goldstone
Aventurine Glass (Silicon Dioxide infused with Cobalt/Copper)
Synthetic Marbled Aggregate (Footwear Component)
Ethylene-vinyl acetate (Croslite™)
Porcelain (Kaolin-based)
Alumina silicate ceramic (composed primarily of Kaolinite: Al2Si2O5(OH)4)
Blue Slag Glass
Ferro-silicate glass (Slag)
Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Asphalt (Bituminous Concrete)
Composite material (bitumen binder with mineral aggregate)
Blue Slag Glass
Amorphous Silica (Industrial byproduct)
Ferrochrome Slag
Industrial Glassy Slag (Fe-Cr alloy byproduct)
Ferrosilicon Slag (Industrial Vitrified Glass)
Vitreous Silicate Residue
Goldstone
Aventurine Glass (SiO2 + Cu small inclusions)
Chipped Glass/Plastic Fragment
Silicon dioxide (SiO2) for glass (amorphous) or various polymer compounds for plastic
Goldstone (Red)
Aventurine Glass
Blue Goldstone
Aventurine Glass (Silicon Dioxide with metal inclusions)
Diamond Plate (Steel)
Alloyed Carbon Steel or Aluminum with 'Durbar' pattern
Green Aura Quartz (Titanium treated Kyanite or Quartz)
Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating
Synthetic Blue Aura Quartz
Silicon Dioxide (SiO2) with Metallic Infusion
Green Slag Glass
Cullet (Amorphous Silicon Dioxide with impurities)