Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Category
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Crackle Agate / Dyed Quartz
SiO2 (Silicon Dioxide)
Silver (Jewelry form)
Native Silver (Ag)
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
Aventurine
Quartz containing inclusions of Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Mohave Turquoise (Composite/Stabilized)
Hydrated copper aluminium phosphate (CuAl6(PO4)4(OH)8·4H2O) with stabilizing resin and metallic inclusions
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Sea Glass
Amorphous Silicon Dioxide (Man-made glass weathered by nature)
Iron Slag
Anthropogenic Iron Silicate
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
Iron Slag
Anthropogenic pyrometallurgical byproduct
Dyed Agate
Chalcedony (SiO2)
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)
Sea Glass
Amorphous silicon dioxide (Man-made glass weathered by nature)
Asphalt (Road Aggregate)
Bituminous Conglomerate / Asphalt Concrete
Man-made Crystal (Lead Glass)
Lead oxide-doped Silica Glass (approx. SiO2 + PbO)
Diamond
Carbon (C)
Weathered iron-rich concretion or ironstone nodule
Goethite–hematite limonite concretion (FeO(OH), Fe₂O₃, and hydrated iron oxides)
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.)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Glass / Silicon Dioxide (Man-made)
SiO2 (Amorphous Silicon Dioxide)
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)
Aqua Aura Quartz
Titanium/Gold-coated Silicon Dioxide (SiO2)
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
Aura Quartz (Pink/Rose Aura Quartz)
Silicon Dioxide (SiO2) bonded with Platinum and/or Silver
Green Sea Glass
Amorphous Silica (man-made glass), SiO2 + additive metal oxides
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
Man-made Glass (Tumbled/Shaped)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Cherry Quartz
SiO2 (Silicon Dioxide with iron-rich inclusions/dye)
Magnetic Hematite (Man-made)
Iron Oxide (Fe2O3) with Barium-Strontium Ferrite
Asphalt (Bituminous Pavement)
Bituminous mix (Aggregates with Bitumen binder)
Red Sandstone or Brick Fragment
Arenite (if sandstone)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)