Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Category
Synthetic (Not A Rock Or Mineral)
Browse synthetic (not a rock or mineral) specimens identified by the Rock Identifier community.
Learn about Synthetic (Not A Rock Or Mineral) in the encyclopedia
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Dyed Quartzite
Metamorphosed Quartz (SiO2) with synthetic pigment
metamorphic
Tumbled turquoise-like stone
Likely turquoise, hydrated copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O
mineral
Ruby
Corundum (Al2O3 with Chromium trace impurities)
mineral
Silicon
Element Si
mineral
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Feldspar Rock
igneous
Druzy Quartz on Sandstone
Silicon Dioxide (SiO2) with Quartz Crystals on Clastic Sedimentary Rock
sedimentary
Ruby (Raw Corundum)
Al2O3 (Aluminum Oxide)
mineral
Synthetic Marbled Aggregate (Footwear Component)
Ethylene-vinyl acetate (Croslite™)
not a rock (man-made polymer)
Clear Quartz (Faceted) / White Sapphire / Goshenite
Silicon Dioxide (SiO2) / Aluminium Oxide (Al2O3)
gemstone
Artificial Rock Face (Faux Rock)
Glass Fiber Reinforced Concrete (GFRC)
man-made/construction material
Goldstone (Synthetic Aventurescence Glass)
Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)
mineraloid / man-made material
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby
Corundum (Al2O3) with Chromium traces
mineral
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)
metamorphic
Lapis Lazuli
Lazurite-dominant rock, (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2
metamorphic
Polished red jasper
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides
mineral
Dalmatian Stone
Dalmatian Stone (Felsic Igneous Rock)
igneous
Bauxite
Bauxite (Mixture of Hydrous Aluminum Oxides)
sedimentary
Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia)
Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)
gemstone
Painted River Rock
Polished fluvial clast with acrylic/synthetic pigment coating
Sedimentary or Metamorphic (base substrate)
Lapis Lazuli (Low Grade)
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)
metamorphic
Bouncy Ball (Synthetic Rubber Polymer)
Polybutadiene / Ethylene Vinyl Acetate (EVA)
Synthetic material (Not a rock or mineral)
Fossil bivalve shell
Likely an extinct or modern-like ribbed cockle/scallop; exact genus requires locality and diagnostic hinge features
fossil
Blue Sapphire
Corundum (Al2O3)
mineral
Colorless faceted gemstone, likely cubic zirconia
Cubic zirconia (synthetic zirconium dioxide, ZrO₂); possibly colorless quartz or laboratory diamond
gemstone
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Opalite
Synthetic Opalized Glass
gemstone
Tumbled sodalite
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂
mineral
Blue Dyed Agate
Cryptocrystalline Quartz (SiO2)
mineral
Opalite
Synthetic Opalized Glass
mineraloid (man-made)
Coal (Bituminous or Anthracite)
Carbonaceous Sedimentary Rock
sedimentary
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
mineral
Opalite
Synthetic opalescent glass
glass
Lapis Lazuli
Lapis lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
metamorphic
Clear quartz sphere
Quartz (silicon dioxide, SiO₂), likely rock crystal or low-grade milky quartz
mineral
Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)
Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)
mineral (synthetic)
Opalite
Synthetic Opalite Glass / Opalized Glass
gemstone
Diamond (Faceted Colorless)
Diamond (Pure Carbon, C)
mineral
Gold (Elemental Metal)
Gold (Au)
Mineral
Costume Jewelry Gemstones (Emerald-imitation and semi-precious beads)
BeCuAl6Si6O18 (Beryl structure), frequently simulated by glass or synthetic spinel
mineral
Cubic Zirconia (Faceted)
Zirconium dioxide (ZrO2)
mineral