Ruby
Corundum (Al2O3 with Chromium trace elements)
Category
Browse synthetic polymer (polylactic acid) specimens identified by the Rock Identifier community.
Ruby
Corundum (Al2O3 with Chromium trace elements)
Blue Dyed Agate
Cryptocrystalline Quartz (SiO2)
Diamond (Faceted)
Carbon (C)
Green glassy cabochon, likely dyed or synthetic material
Uncertain; possibly green obsidian, chrysoprase, or synthetic glass
White seed-bead gemstone strand, likely freshwater pearl or shell pearl
Pearl: nacreous calcium carbonate, chiefly aragonite (CaCO₃) in conchiolin; identification uncertain from image
Blue Goldstone
Aventurine Glass (SiO2 with Co and metallic inclusions)
Diamond
Carbon (C)
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))
Ruby (Faceted)
Corundum (Al2O3 with Cr trace elements)
Diamond
Diamond (C)
Opal
Hydrated amorphous form of silica (SiO2·nH2O)
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Blue Goldstone
Aventurine Glass (SiO2 with Cobalt/Copper inclusions)
Tumbled amber-like inclusion
Likely amber (fossilized tree resin; complex polymer), but identification is uncertain from the image
Amber (likely rough amber)
Fossilized plant resin; predominantly polymerized terpenoid resin (succinite if Baltic-type)
Amber
Succinite (Fossilized Tree Resin) - C10H16O
Amber
Succinite (Fossilized Resin)
Amber
Succinite (Resinite)
Amber
Succinite (fossilized tree resin)
Amber
Succinurite (C10H16O)
Amber
Succinite
Tumbled turquoise-like stone
Likely turquoise, hydrated copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O
Diamond (Faceted)
Diamond (Pure Carbon, C)
Silicon
Element Si
Peridot gemstone pendant
Olivine, gem-quality forsteritic olivine (approximately (Mg,Fe)₂SiO₄)
Hematite
Iron(III) oxide (Fe2O3)
Goldstone
Avventurina (Cu + SiO2 glass)
Dyed Quartz Pendant
Silicon Dioxide (SiO2) with artificial dye
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
Clear quartz sphere
Quartz (silicon dioxide, SiO₂), likely rock crystal or low-grade milky quartz
Smoky Quartz
Silicon Dioxide (SiO2)
Strawberry Quartz (or Rose Quartz / Cherry Quartz)
Silicon Dioxide (SiO2) with Lepidocrocite, Hematite, or Goethite inclusions
Dyed Blue Agate
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Blue Sapphire
Corundum (Al2O3)
Pink Sapphire
Corundum (Al2O3 with trace Chromium and Iron)
Ruby (Corundum)
Corundum (Aluminum Oxide) with chromium trace elements, Al2O3
Ruby
Corundum (Aluminium Oxide with Chromium impurities, Al2O3:Cr)
Colorless faceted gemstone, likely cubic zirconia
Cubic zirconia (synthetic ZrO₂), possibly glass or quartz
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Amber-like fossilized resin
Amber (fossilized plant resin; commonly succinite, C₁₀H₁₆O)
Amber
Succinite (Fossilized Tree Resin)
Amber
Succinite (fossilized resin)