Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
Category
Browse anthropogenic material (man made rock) specimens identified by the Rock Identifier community.
Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Goldstone
Aventurine glass (Synthetic glass with copper inclusions)
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
Synthetic Resin / Plastic Figurine
Synthetic Polymer (Copolymer of Polyethylene or Resin)
Opalite
Man-made glass (traditionally simulated Opal)
Green Sea Glass
Amorphous Silica (man-made glass), SiO2 + additive metal oxides
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
Terrazzo (with Marble and Granite fragments)
Cementitious or resinous composite containing Calcium Carbonate (CaCO3) and Silicates
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Blue Crackle Quartz (Dyed Quarzite)
Silicon Dioxide (SiO2) with artificial dye
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
Brick
Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
Pyrite in Quartz (Drill Core)
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
Goldstone (Red)
Aventurine Glass (SiO2 + Cu)
Conglomerate
Conglomerate Rock (Paraconglomerate)
Moldavite
Tektite (Impact Glass), ~80% SiO2 + Al2O3
Slag (Industrial Glass)
Anthropogenic Amorphous Vitreous Silicate
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Slag
Ferrous Slag (Siliceous industrial waste)
Titanium Coated Kyanite (Aura Kyanite)
Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating
Carborundum
Silicon Carbide (SiC)
Cullet (Slag Glass)
Amorphous Silica (Industrial byproduct)
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
Sea Glass (White/Clear)
Amorphous Silica (Alkali-Lime-Silica Glass), SiO2 + Na2O + CaO
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
Sandstone Concretion
Clastic sedimentary rock (primarily Quartz SiO2)
Slag Glass
Amorphous Silicate (Man-made)
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Slag (Anthropogenic Glass/Iron byproduct)
Ferro-silicate Slag
Sandstone Concretion
Clastic Sedimentary Rock (primarily SiO2 with mineral cement)
Chert Concretion (with typical hematite/limonite staining)
Sedimentary Concretion (SiO2 with FeO(OH)⋅nH2O)
Synthetic Costume Accessory (Non-Geological)
Polyester and Acrylic Fiber (Anthropogenic polymer)
Iron Slag
Ferrous slag (primarily silicates and oxides of calcium, iron, and magnesium)
Sandstone
Arenite (SiO2, often with CaCO3 or Fe2O3 cement)