Bouncy Ball (Synthetic Rubber Polymer)
Polybutadiene / Ethylene Vinyl Acetate (EVA)
Category
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Bouncy Ball (Synthetic Rubber Polymer)
Polybutadiene / Ethylene Vinyl Acetate (EVA)
Dzi Bead (Etched Chalcedony)
Cryptocrystalline Quartz (SiO2) with chemical etching
Libyan Desert Glass
Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)
Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)
Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)
Dalmatian Stone
Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
Acrylic or Resin (Synthetic Imitation)
Polymethyl Methacrylate (PMMA) or Polyepoxide
Porcelain (White Ceramic)
Mullite-bearing Vitrified Ceramic (Major phases: Mullite Al6Si2O13, Glassy Silica SiO2)
Chakra Stone Tower (Composite Multi-Mineral)
Crystalline Silicon Dioxide composite (SiO2) with various inclusions
Conglomerate
Conglomerate (clastic sedimentary rock)
Diamond
Native Carbon (C)
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Ocean Jasper Mushroom
Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)
Asphalt (Bituminous Concrete)
Composite material (bitumen binder with mineral aggregate)
Concrete Fragment
Hardened Portland Cement Composite
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Concrete
Hydrated Portland Cement Aggregate Composite
Quartz (Engineered Quartz Surface)
Silicon Dioxide (SiO2) based composite
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
Ironstone Concretion (Pot Stone)
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
Aventurine
Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
Ferrous Slag (Iron Smelting By-product)
Fused Siliceous Slag
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
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.)
Aura Quartz (Pink/Rose Aura Quartz)
Silicon Dioxide (SiO2) bonded with Platinum and/or Silver