Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Category
Browse man made object (coin) specimens identified by the Rock Identifier community.
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Opalite
Synthetic Opalite (Man-made glass)
Blue Goldstone
Aventurine Glass
Ocean Jasper Mushroom
Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)
Opalite
Synthetic Glass (SiO2 + impurities)
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
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
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)
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Crackle Agate / Dyed Quartz
SiO2 (Silicon Dioxide)
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)
Blue Goldstone
Man-made glass with cobalt and metal flecks
Green Quartz / Chrysoprase / Sea Glass
Silicon Dioxide (SiO2)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
Mohave Turquoise (Composite/Stabilized)
Hydrated copper aluminium phosphate (CuAl6(PO4)4(OH)8·4H2O) with stabilizing resin and metallic inclusions
Concrete
Hydrated Portland Cement Aggregate Composite
Goldstone (Brown)
Aventurine Glass (Silicon Dioxide infused with Copper crystals)
Slag Glass
Vitreous Silicate Residue
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
Greenstone / serpentinite carving
Serpentinite, chiefly serpentine-group minerals (antigorite, lizardite, or chrysotile); exact identification requires testing
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Opalite
Synthetic Glass (Hydrated Silica Simulant)
Painted River Rock
Artificially Coated Sedimentary Rock
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
Opalite
Synthetic Opalised Glass
Dyed Agate
Chalcedony (SiO2)
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
Concretion
Sedimentary Concretion (Ironstone / Calcite Concretion)
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)