Rock Identifier

Category

Synthetic (Glass)

Browse synthetic (glass) specimens identified by the Rock Identifier community.

Learn about Synthetic (Glass) in the encyclopedia

Opalite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Zincite

Sideromelane

Lead Feldspar

Black Obsidian

Maskelynite

Tachylite

Obsidian

Hyalite Opal

Perlite

Macusanite

Man-made Crystal (Lead Glass) (Lead oxide-doped Silica Glass (approx. SiO2 + PbO)) — Mineraloid/Synthetic Material

Man-made Crystal (Lead Glass)

Lead oxide-doped Silica Glass (approx. SiO2 + PbO)

Mineraloid/Synthetic Material

Diamond (Faceted) (Diamond (Pure Carbon, C)) — gemstone

Diamond (Faceted)

Diamond (Pure Carbon, C)

Purple diamond (rough gem-quality diamond) (Diamond, crystalline carbon (C)) — gemstone

Purple diamond (rough gem-quality diamond)

Diamond, crystalline carbon (C)

Tumbled turquoise-like stone (Likely turquoise, hydrated copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O) — mineral

Tumbled turquoise-like stone

Likely turquoise, hydrated copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O

Carborundum (Silicon Carbide) (Silicon Carbide (SiC)) — mineral

Carborundum (Silicon Carbide)

Silicon Carbide (SiC)

Green glassy mineral specimen, likely rough emerald or green fluorite (Tentatively beryl (Be₃Al₂Si₆O₁₈), emerald variety; synthetic/man-made glass cannot be excluded from the photograph) — mineral

Green glassy mineral specimen, likely rough emerald or green fluorite

Tentatively beryl (Be₃Al₂Si₆O₁₈), emerald variety; synthetic/man-made glass cannot be excluded from the photograph

Synthetic Resin (Artificial Specimen) (Polyurethane or Polyester Resin) — mineraloid (man-made)

Synthetic Resin (Artificial Specimen)

Polyurethane or Polyester Resin

mineraloid (man-made)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Blue opal heart cabochon (Common opal, hydrated amorphous silica (SiO₂·nH₂O), likely blue-dyed or synthetic opalite) — gemstone

Blue opal heart cabochon

Common opal, hydrated amorphous silica (SiO₂·nH₂O), likely blue-dyed or synthetic opalite

Ruby (Faceted) (Corundum (Al2O3 with Cr trace elements)) — gemstone

Ruby (Faceted)

Corundum (Al2O3 with Cr trace elements)

Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

Opal (Hydrated amorphous form of silica (SiO2·nH2O)) — mineral

Opal

Hydrated amorphous form of silica (SiO2·nH2O)

Opal (Hydrated Amorphous Silica (SiO2·nH2O)) — Mineral

Opal

Hydrated Amorphous Silica (SiO2·nH2O)

Star ruby cabochon ring (Corundum, Al₂O₃ (ruby variety), displaying asterism) — gemstone

Star ruby cabochon ring

Corundum, Al₂O₃ (ruby variety), displaying asterism

Diamond-set ring (likely lab-grown or natural diamonds) (Diamond, crystalline carbon (C)) — gemstone

Diamond-set ring (likely lab-grown or natural diamonds)

Diamond, crystalline carbon (C)

Blue Dyed Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Blue Dyed Agate

Cryptocrystalline Quartz (SiO2)

Iolite (Cordierite) (Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18) — Mineral

Iolite (Cordierite)

Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (with Druzy/Polished Edge) (Smoky Quartz (Silicon Dioxide, SiO2)) — mineral

Smoky Quartz (with Druzy/Polished Edge)

Smoky Quartz (Silicon Dioxide, SiO2)

Ruby (Corundum (Al2O3 with Chromium trace elements)) — mineral

Ruby

Corundum (Al2O3 with Chromium trace elements)

Red faceted gemstone ring (Likely synthetic ruby or red spinel; exact identification requires testing) — gemstone

Red faceted gemstone ring

Likely synthetic ruby or red spinel; exact identification requires testing

Diamond (likely rough or included fragment) (Diamond, crystalline carbon (C), cubic crystal system) — gemstone

Diamond (likely rough or included fragment)

Diamond, crystalline carbon (C), cubic crystal system

Blue Opal Inlay (Simulated/Lab-created) (Hydrated Amorphous Silica (SiO2·nH2O) with polymer resin) — mineraloid

Blue Opal Inlay (Simulated/Lab-created)

Hydrated Amorphous Silica (SiO2·nH2O) with polymer resin

Emerald (Beryl (Be3Al2Si6O18), specifically the green variety colored by chromium or vanadium) — Mineral (Gemstone variety of Beryl)

Emerald

Beryl (Be3Al2Si6O18), specifically the green variety colored by chromium or vanadium

Mineral (Gemstone variety of Beryl)

Blue topaz-style pendant gemstone (Likely blue topaz (Al₂SiO₄(F,OH)₂); the image cannot confirm the stone or whether it is natural or synthetic.) — gemstone

Blue topaz-style pendant gemstone

Likely blue topaz (Al₂SiO₄(F,OH)₂); the image cannot confirm the stone or whether it is natural or synthetic.

Sodium Polyacrylate (Superabsorbent Polymer) (Sodium Polyacrylate [-CH2-CH(COONa)-]n) — mineral (synthetic)

Sodium Polyacrylate (Superabsorbent Polymer)

Sodium Polyacrylate [-CH2-CH(COONa)-]n

mineral (synthetic)

Synthetic Zinc/Polycarbonate Composite (Bey-specimen) (Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay) — Anthropogenic Mineral Mimic

Synthetic Zinc/Polycarbonate Composite (Bey-specimen)

Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay

Anthropogenic Mineral Mimic

Synthetic Wolf Plush (Non-mineral) (Canis lupus similis (Prop material: Polyester & Synthetic fibers)) — Synthetic material/Textile

Synthetic Wolf Plush (Non-mineral)

Canis lupus similis (Prop material: Polyester & Synthetic fibers)

Synthetic material/Textile

Diamond (Faceted) (Carbon (C)) — gemstone

Diamond (Faceted)

Carbon (C)

Diamond ring (Diamond, crystalline carbon (C), likely a faceted mounted stone) — gemstone

Diamond ring

Diamond, crystalline carbon (C), likely a faceted mounted stone

Opal cabochon (Hydrated amorphous silica, SiO₂·nH₂O; likely common or synthetic opal) — gemstone

Opal cabochon

Hydrated amorphous silica, SiO₂·nH₂O; likely common or synthetic opal

Ruby in matrix (likely ruby-bearing corundum) (Corundum, aluminum oxide (Al₂O₃), chromium-bearing variety) — gemstone

Ruby in matrix (likely ruby-bearing corundum)

Corundum, aluminum oxide (Al₂O₃), chromium-bearing variety

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Ruby (Corundum) (Corundum (Aluminum Oxide) with chromium trace elements, Al2O3) — mineral

Ruby (Corundum)

Corundum (Aluminum Oxide) with chromium trace elements, Al2O3

Ruby (Corundum (Aluminium Oxide with Chromium impurities, Al2O3:Cr)) — mineral

Ruby

Corundum (Aluminium Oxide with Chromium impurities, Al2O3:Cr)

Cubic Zirconia (Zirconium Dioxide (ZrO2)) — mineral

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Diamond (or Diamond Simulant) (Native Carbon (C)) — gemstone

Diamond (or Diamond Simulant)

Native Carbon (C)

Opal (in Jewelry Setting) (Hydrated Silicon Dioxide (SiO2·nH2O)) — gemstone

Opal (in Jewelry Setting)

Hydrated Silicon Dioxide (SiO2·nH2O)

Diamond (Pure Carbon (C)) — mineral

Diamond

Pure Carbon (C)

Cubic Zirconia (Simulated Diamond) (Zirconium Dioxide (ZrO2)) — mineral (synthetic)

Cubic Zirconia (Simulated Diamond)

Zirconium Dioxide (ZrO2)

mineral (synthetic)

Colorless faceted gemstone, likely synthetic cubic zirconia (Cubic zirconia (zirconium dioxide, ZrO₂); natural diamond is a less likely alternative) — gemstone

Colorless faceted gemstone, likely synthetic cubic zirconia

Cubic zirconia (zirconium dioxide, ZrO₂); natural diamond is a less likely alternative

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)