Faceted golden beryl (likely heliodor)
Beryl, Be₃Al₂Si₆O₁₈; yellow color from iron impurities
Category
Browse synthetic (not a natural rock) specimens identified by the Rock Identifier community.
Faceted golden beryl (likely heliodor)
Beryl, Be₃Al₂Si₆O₁₈; yellow color from iron impurities
Dyed Alum or Dyed Quartz (Ornamental Crystal)
Silicon Dioxide (SiO2) or Potassium Alum [KAl(SO4)2·12H2O]
Opalite
Synthetic Glass / Man-made Opal Simulant
Red faceted gemstone jewelry setting
Likely synthetic ruby or red spinel centerpiece with colorless accent stones; exact identification requires gemological testing
Colorless faceted gemstone, likely cubic zirconia
Synthetic cubic zirconia (ZrO₂), tentative; possibly diamond or synthetic moissanite
Hematite bead bracelet
Hematite (iron(III) oxide, Fe₂O₃), likely polished magnetic hematite or hematite-coated beads
Small faceted gemstone, likely diamond
Diamond (crystalline carbon, C)
Dyed Agate
Chalcedony (SiO2)
Colorless Gemstone (possibly Diamond or Cubic Zirconia)
C (Diamond) or ZrO2 (Cubic Zirconia)
Ruby / Red Corundum
Al2O3 (Aluminum Oxide with Chromium trace)
Green iridescent glass cabochon or synthetic gemstone
Likely synthetic glass; possibly coated synthetic quartz or lab-created green gemstone
Smoky Quartz
Silicon Dioxide (SiO2)
River Stone (likely Mudstone or Siltstone)
Lutite (Clastic sedimentary rock composed of clay and silt-sized particles)
Diamond (or Clear Quartz / Cubic Zirconia)
Carbon (C) or Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)
Ametrine
Silicon Dioxide (SiO2) with iron impurities
Turquoise cabochon
Turquoise, hydrated copper aluminum phosphate — CuAl₆(PO₄)₄(OH)₈·4H₂O
Cubic Zirconia (Faceted Gemstone)
Zirconium dioxide (ZrO2)
Synthetic Sapphire and Ion-X Glass
Single-crystal Alumina (Al2O3) and Ion-strengthened Aluminosilicate Glass
Corundum (Pink Sapphire / Ruby)
Al2O3 (Aluminum Oxide)
Gold bullion bars
Native gold (Au), likely cast or refined metal
Heart-shaped faceted gemstone pendant
Likely yellow quartz (citrine) or synthetic yellow stone, set in metal with small clear accent stones
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Clear faceted gemstone in a gold-colored setting
Likely colorless quartz (rock crystal) or synthetic cubic zirconia; visual identification is inconclusive
Faceted clear gemstone, likely quartz or glass imitation
Most likely quartz (SiO₂); exact identification requires refractive-index and hardness tests
Yellow faceted gemstone, likely citrine or yellow beryl
Quartz (SiO₂), if citrine; beryl (Be₃Al₂Si₆O₁₈), if heliodor
Citrine
Citrine (Silicon Dioxide, SiO2)
Aquamarine in Onyx / Blue Topaz Pendant
Beryl (Be₃Al₂Si₆O₁₈) or Topaz (Al₂SiO₄(F,OH)₂)
Diamond jewelry pendant or cluster
Diamond, crystalline carbon (C), likely mounted in metal
Diamond
Carbon (C)
Diamond (or Diamond Simulant)
Carbon (C)
Diamond (or Diamond Simulant)
Carbon (C) or Cubic Zirconia (ZrO2)
Red gemstone ring, likely synthetic ruby or garnet
Ruby: corundum (Al₂O₃); possible alternative: almandine garnet (Fe₃Al₂(SiO₄)₃)
Blue Goldstone
Synthetic Aventurescent Glass (Cobalt-doped soda-lime glass)
Moonstone ring
Moonstone, a feldspar variety (typically orthoclase or adularia; KAlSi₃O₈)
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
Pink Sapphire
Corundum (Al2O3 with trace Chromium and Iron)
Cubic Zirconia (Jewelry Setting)
Cubic Zirconia (ZrO2)
Blue faceted gemstone, likely synthetic sapphire or blue glass
Corundum (Al₂O₃) if sapphire; identity cannot be confirmed visually
Green cabochon gemstone pendant, likely turquoise or dyed green turquoise
Probably turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O; exact identification requires testing
Diamond (or Diamond Simulant)
Native Carbon (C)
Man-made Metal Pin (Non-geological)
Antimony-Lead Alloy or Zinc/Brass Base with Electroplating
Cut gemstone ring, likely diamond
Diamond (carbon, C), faceted gemstone; exact stone identification is uncertain from the image