Diamond
Native Carbon (C)
Category
Browse man made glass specimens identified by the Rock Identifier community.
Diamond
Native Carbon (C)
Concrete / Conglomerate (Man-made)
Artificial Conglomerate (Cementitious Composite)
Ocean Jasper Mushroom
Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)
Concrete Fragment
Hardened Portland Cement Composite
Sandstone-based Concrete Fragment
Cementitious Composite with Sedimentary Aggregate
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Ferro-silicate Slag
Industrial Vitrified Slag (High-silica amorphous glass)
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
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)
Concrete
Hydrated Portland Cement Aggregate Composite
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)
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
Mother of Pearl (Nacre)
Aragonite (CaCO3) with Organic Matrix
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)
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
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)
Titanium Coated Kyanite (Aura Kyanite)
Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating
Ceramic or Polished Stone Heart (Anthropogenic Material)
Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)
Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Slag
Metallurgical by-product
Bismuth
Bismuth (Bi)
Man-made Crystal (Lead Glass)
Lead oxide-doped Silica Glass (approx. SiO2 + PbO)
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Carved Mottled Greenish-Yellow Crystal/Glass Object
Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.
Asphalt (Bituminous Pavement)
Bituminous mix (Aggregates with Bitumen binder)
Aqua Aura Quartz
Silicon Dioxide (SiO2) bonded with Gold (Au)
Glass / Silicon Dioxide (Man-made)
SiO2 (Amorphous Silicon Dioxide)
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
Goldstone (with Tiger's Eye and Quartz)
Aventurine glass (Synthetic SiO2 with Cu inclusions)