Ruby
Corundum (Al2O3 with Chromium traces)
Category
Browse synthetic polymer (polylactic acid) specimens identified by the Rock Identifier community.
Ruby
Corundum (Al2O3 with Chromium traces)
Ruby (Pink to Red Corundum)
Al2O3 (Corundum with Chromium impurities)
Tumbled Clear Quartz and Citrine Points
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3)
Cubic Zirconia (Faceted)
Zirconium Dioxide (ZrO2)
Amber
Fossilized Tree Resin (Succinate)
Smoky Quartz
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3)
Ruby (Rough/Raw)
Corundum (Al2O3:Cr)
Smoky Quartz
Silicon Dioxide (SiO2)
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
Amber
Fossilized Resin (C10H16O)
Amber
Succinite
Amber
Succinite (Fossilized Tree Resin)
Amber
Amber (C10H16O)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Cubic Zirconia (Man-made)
Cubic Zirconia (ZrO2) with Enamel and Metal Alloy
Cubic Zirconia
Zirconium Dioxide (ZrO2)
Amber
Succinicum (Succinite); C10H16O
Ruby (varieties of Corundum)
Aluminum oxide (Al2O3) with Chromium traces
Blue Goldstone
Synthetic Aventurescent Glass (Cobalt-doped soda-lime glass)
Ammolite
Biogenic gemstone (Aragonite, CaCO3)
Blue Agate Geode (Dyed)
Cryptocrystalline Quartz (SiO2)
Opalite
Synthetic glass (SiO2 + metal additions)
Opalite
Synthetic Opalite (Man-made glass)
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
Dyed Quartzite
Metamorphosed Quartz (SiO2) with synthetic pigment
Dyed Crackle Quartz
Silicon Dioxide (SiO2) with synthetic dye
Goldstone
N/A (Synthetic Glass with Copper Inclusions)
Opalite
Synthetic Opalized Glass (SiO2 + additives)
Opalite
Synthetic Opalite Glass (Silicon Dioxide)
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
Dyed Agate
Silicon Dioxide (SiO2) with synthetic dyes
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
Amber
Succinite (a specific common type) or Fossilized Tree Resin (C10H16O)
Amber
Succinite (fossilized tree resin)
Amber
Succinite (approximate formula C10H16O)
Goldstone
Aventurine glass
Amber and Tumbled Stones
Fossilized Tree Resin (Succinite)
Amber
Succinite (fossilized resin)
Amber with Organic Inclusions
Succinite (fossilized resin)
Smoky Quartz
Silicon Dioxide (SiO2)