Cubic Zirconia (Simulated Diamond)
Cubic Zirconia (ZrO2)
Category
Browse man made glass (not a natural rock or mineral) specimens identified by the Rock Identifier community.
Cubic Zirconia (Simulated Diamond)
Cubic Zirconia (ZrO2)
Goldstone
N/A (Synthetic Glass with Copper Inclusions)
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
Dalmatian Stone
Dalmatian Jasper (a misnomer for an Aplite with Arfvedsonite spots)
Brick fragment (Man-made material)
N/A (Fired clay)
Tektite
Natural impact glass
Dyed Dragon Vein Agate
Silicon Dioxide (SiO2) with artificial pigment
Synthetic Resin / Plastic Figurine
Synthetic Polymer (Copolymer of Polyethylene or Resin)
Blue Impression Jasper beads
Impression jasper (microcrystalline quartz/chalcedony), chiefly SiO₂, with iron-oxide and other mineral inclusions
Dyed Blue Agate (Dragon Vein Agate)
Silicon Dioxide (SiO2) with artificial cobalt/organic dyes
Aventurine
Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Pink Tumbled Quartz (Dyed)
Silicon Dioxide (SiO2)
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Aura Quartz
Titanium/Titanium-Gold treated Silicon Dioxide (SiO2)
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).
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Rough Sapphire (Corundum)
Corundum (Al2O3)
Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
Sandstone Concretion
Clastic Sedimentary Concretion (SiO2 with Iron Oxide)
Sea Glass
Man-made silicate glass
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Slag
Anthropogenic Vitreous Silica/Iron oxides
Concretion
Sedimentary Concretion (Ironstone / Calcite Concretion)
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
Diamond
Carbon (C)
Carved Mottled Greenish-Yellow Crystal/Glass Object
Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.
Chert
Microcrystalline Quartz (SiO2)
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Concrete Rubble with Aggregate
Hardened Portland Cement Paste with Coarse Aggregate
Blue Glass or Slag Glass
Amorphous Silica (Anthropogenic Glass)
Glass
Amorphous Silicon Dioxide (SiO2)
Tektite
Impactite (Natural Silicate Glass)
Diamond
Native Carbon (C)
Boxwork or Septarian Concretion
Septarian nodule / Boxwork weathering
Goldstone
Avventurina (Cu + SiO2 glass)
Hematite
Iron(III) oxide (Fe2O3)
Concrete rubble
Anthropogenic conglomerate
Sandstone (with concrete/human-made layer)
Clastic Sedimentary Rock (primarily Quartz/Feldspar grains)
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)