Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
Category
Browse mineral (man made glass, not natural) specimens identified by the Rock Identifier community.
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Unidentifiable Rock Fragment
Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Opalite
Man-made Glass (SiO2 + additives)
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
Chakra Stone Tower (Composite Multi-Mineral)
Crystalline Silicon Dioxide composite (SiO2) with various inclusions
Goldstone
Aventurine glass (Synthetic glass with copper inclusions)
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Diamond
Native Carbon (C)
Blue Goldstone
Synthetic Avanturine Glass (or Aventurine Glass)
Opalite
Synthetic Glass, SiO2 base with metallic inclusions
Goldstone (Brown/Gold variety)
Aventurine Glass (SiO2 with Copper inclusions)
Ocean Jasper Mushroom
Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Diamond (or Cubic Zirconia)
Carbon (C) or Zirconium Dioxide (ZrO2)
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
Ironstone Concretion (Pot Stone)
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Opalite
Synthetic Fluorescent Glass (SiO2 + impurities)
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
Opalite
Synthetic Opalised Glass
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
Cullet Glass (sometimes mistaken for Blue Obsidian or Slag)
Amorphous Silicon Dioxide (SiO2) with chemical additives (e.g., Cobalt for blue color)
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.)
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
Libyan Desert Glass
Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)
Cullet (Slag Glass)
Amorphous Silica (Industrial byproduct)
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Opalite
Synthetic Opalised Glass
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
Man-made Glass (Tumbled/Shaped)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Concrete Fragment
Hardened Portland Cement Composite
Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic