Opalite
Man-made Glass (SiO2 + additives)
Category
Browse antropogenic (man made material) specimens identified by the Rock Identifier community.
Opalite
Man-made Glass (SiO2 + additives)
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Glass
Amorphous Silicon Dioxide (SiO2)
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Asphalt (Bituminous Pavement)
Bituminous mix (Aggregates with Bitumen binder)
Mother of Pearl (Nacre)
Aragonite (CaCO3) with Organic Matrix
Concrete with Aggregate
Composite construction material; primary matrix is Calcium Silicate Hydrate (C-S-H)
Hematite
Iron(III) oxide (Fe2O3)
Ferrous Slag
Iron/Steel Slag (Complex Calcium-Alumino-Silicates)
Stainless Steel (Polished)
Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
Concrete
Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)
Opalite
Man-made Synthetic Glass (Silicon Dioxide with metal additives)
Transit Token (RTD Denver)
Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)
Not a rock, mineral, or geological specimen
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Goldstone
Aventurine glass (Synthetic glass with copper inclusions)
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Opalite
Man-made glass (traditionally simulated Opal)
Synthetic Resin / Plastic Figurine
Synthetic Polymer (Copolymer of Polyethylene or Resin)
Bouncy Ball (Synthetic Rubber Polymer)
Polybutadiene / Ethylene Vinyl Acetate (EVA)
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Ferruginous Conglomerate (or Iron-Rich Concrete/Slag)
Clastic Sedimentary (Silicon Dioxide/Iron Oxide matrix)
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Goldstone (Red)
Aventurine Glass (SiO2 + Cu)
Metal Alloy (Likely Pewter or Sterling Silver)
Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).
Slag (Industrial Glass/Metal)
Ferrous slag or Glassy silicate byproduct
Blue Crackle Quartz (Dyed Quarzite)
Silicon Dioxide (SiO2) with artificial dye
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Slag
Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Titanium Coated Kyanite (Aura Kyanite)
Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating
Cullet (Slag Glass)
Amorphous Silica (Industrial byproduct)