Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
Category
Browse antropogenic (man made material) specimens identified by the Rock Identifier community.
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Bismuth Crystal
Bismuth (Bi)
Aura Rose Quartz
SiO2 (Silicon Dioxide with Titanium/Gold coating)
Iron Slag
Iron/Steel Slag (Ferrosilicate Glass)
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
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)
Ferrochrome Slag
Industrial Glassy Slag (Fe-Cr alloy byproduct)
Man-made Carved Stone (Scream Mask/Skull motif)
Carved Soapstone or Serpentine-rich rock
Dyed or synthetic turquoise-blue glass-like specimen
Likely man-made colored glass or resin; exact identification requires testing
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.)
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
Goldstone (aventurine glass)
Man-made copper-bearing glass; not a natural mineral (commonly sold as blue/brown goldstone)
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Possible weathered basalt or slag fragment
Basalt, chiefly plagioclase and pyroxene; identification is uncertain from the image
White quartz pebble or chip
Quartz (silicon dioxide, SiO₂), possibly milky quartz
Unidentified translucent crystal/mineral fragment
Likely quartz (SiO₂), but visual identification is uncertain
Tumbled white chalcedony (likely milky quartz)
Chalcedony, microcrystalline quartz (SiO₂)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
Goldstone (Brown)
Aventurine Glass (Silicon Dioxide infused with Copper crystals)
Green Quartz / Chrysoprase / Sea Glass
Silicon Dioxide (SiO2)
Slag Glass
Vitreous Silicate Residue
Rock crystal (clear quartz), possibly cloudy quartz
Quartz, silicon dioxide (SiO₂)
Goldstone (with Tiger's Eye and Quartz)
Aventurine glass (Synthetic SiO2 with Cu inclusions)
Opalite
Synthetic Opalised Glass
Dyed Agate
Chalcedony (SiO2)
Clear quartz crystal
Quartz (silicon dioxide, SiO₂)
Magnetic Hematite (Man-made)
Iron Oxide (Fe2O3) with Barium-Strontium Ferrite
Man-made Ceramic / Clay Figurine
Aluminosilicate Ceramic (Processed Clay)
Aura Quartz (Titanium/Rainbow Quartz)
SiO2 (Silicon Dioxide) with metallic coating
Goldstone (likely red/brown aventurine glass)
Man-made aventurine glass; copper-bearing silicate glass (not a natural mineral)
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)
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)