Rainbow Hematite Ring
Iron(III) oxide (Fe2O3) with thin-film coating
Category
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Rainbow Hematite Ring
Iron(III) oxide (Fe2O3) with thin-film coating
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
Diamond / Clear Quartz / Glass paste
Carbon (Diamond) / Silicon Dioxide (Quartz)
Cubic Zirconia (Jewelry Setting)
Cubic Zirconia (ZrO2)
Dzi Bead (Etched Chalcedony)
Cryptocrystalline Quartz (SiO2) with chemical etching
Concrete fragment or Conglomerate
Artificial Conglomerate (Concrete) or Natural Conglomerate
Titanium Aura Quartz
Silicon Dioxide (SiO2) coated with Titanium and Niobium
Concretion with Geode Cavity
Ferruginous Sandstone Concretion with Quartz Center
Libyan Desert Glass
Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
Sea Glass
Amorphous silicon dioxide (SiO2) - Man-made glass tumbled by nature
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Dalmatian Stone
Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)
Ferrous Slag (Iron Smelting By-product)
Fused Siliceous Slag
Asphalt Chunk (Bituminous Concrete)
Aggregated Bitumen / Artificial Breccia
Felsic Drill Core (likely Gneiss or Granite)
Felsic Metamorphic Rock (Gneissic profile)
Concrete with Exposed Aggregate
Anthropogenic conglomerate (Concrete)
Ironstone Concretion (Pot Stone)
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
Crackled Quartz (Dyed)
Silicon Dioxide (SiO2)
Engineerged Quartz (Quartz Composite)
SiO2 (Silicon Dioxide) in a polymer resin matrix
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
Concrete Fragment
Hardened Portland Cement Composite
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Concrete
Hydrated Portland Cement Aggregate Composite
Slag Glass
Silicon dioxide with impurities
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Carborundum
Silicon Carbide (SiC)
Ocean Jasper Mushroom
Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
Bismuth Crystal
Bismuth (Bi)
Aura Rose Quartz
SiO2 (Silicon Dioxide with Titanium/Gold coating)
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
Aura Quartz (Titanium-coated Quartz)
Silicon Dioxide (SiO2) with metallic vapor coating
Sandstone Concretion
Clastic Sedimentary Concretion (SiO2 with Iron Oxide)