Rock Identifier

Category

Synthetic Glass (Often Categorized As A Simulated Mineral)

Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.

Learn about Synthetic Glass (Often Categorized As A Simulated Mineral) in the encyclopedia

Opalite

Sideromelane

Pele's Tears

Porphyritic Obsidian

Porphyritic Obsidian

Anatase

Red Obsidian

Euxenite

Gray Obsidian

Gold Sheen Obsidian

Pink Lady Obsidian

Zircon

Aventurine

Amber (Succinited (fossilized tree resin)) — fossil

Amber

Succinited (fossilized tree resin)

Opalite (Synthetic Moonstone/Sea Opal) (Silicon Dioxide (SiO2) glass with metallic inclusions) — Synthetic/Man-made Glass

Opalite (Synthetic Moonstone/Sea Opal)

Silicon Dioxide (SiO2) glass with metallic inclusions

Synthetic/Man-made Glass

Opalite (Synthetic Opalite Glass) — mineraloid (man-made)

Opalite

Synthetic Opalite Glass

mineraloid (man-made)

Opalite (Synthetic glass / Opaque silicious glass) — gemstone

Opalite

Synthetic glass / Opaque silicious glass

Opalite (Synthetic Silicon Dioxide (SiO2)) — mineral

Opalite

Synthetic Silicon Dioxide (SiO2)

Opalite (Synthetic Opalite (Man-made glass)) — mineral

Opalite

Synthetic Opalite (Man-made glass)

Yellow Jasper (Limonite-stained Chert) (Silicon Dioxide (SiO2) with Limonite/Goethite inclusions) — sedimentary

Yellow Jasper (Limonite-stained Chert)

Silicon Dioxide (SiO2) with Limonite/Goethite inclusions

Cubic Zirconia (as used in jewelry setting) (Zirconium dioxide (ZrO2)) — mineral

Cubic Zirconia (as used in jewelry setting)

Zirconium dioxide (ZrO2)

Green Glass (often marketed as 'Obsidian' or 'Green Quartz') (Amorphous Silica (SiO2) with copper or chromium additives) — Mineraloid (Man-made)

Green Glass (often marketed as 'Obsidian' or 'Green Quartz')

Amorphous Silica (SiO2) with copper or chromium additives

Mineraloid (Man-made)

Opalite (Synthetic opalescent glass) — glass

Opalite

Synthetic opalescent glass

Man-made Synthetic Material (Costume Faux Fur) (Synthetic Polymer (Polyester/Acrylic)) — not a rock

Man-made Synthetic Material (Costume Faux Fur)

Synthetic Polymer (Polyester/Acrylic)

Goldstone (Brown) (Aventurine glass) — mineraloid (man-made)

Goldstone (Brown)

Aventurine glass

mineraloid (man-made)

Opalite (Synthetic Opalized Glass / Man-made Glass) — gemstone

Opalite

Synthetic Opalized Glass / Man-made Glass

Goldstone (Aventurine Glass (Man-made)) — mineral

Goldstone

Aventurine Glass (Man-made)

Opalite (Synthetic Opalized Glass) — gemstone

Opalite

Synthetic Opalized Glass

Cobalt Glass Slug (Man-made Glass) (Amorphous Silica with Cobalt Oxide (SiO2 + CoO)) — mineraloid

Cobalt Glass Slug (Man-made Glass)

Amorphous Silica with Cobalt Oxide (SiO2 + CoO)

Opalite (a synthetic glass) (Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant) — Mineral Simulant (Synthetic Glass)

Opalite (a synthetic glass)

Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant

Mineral Simulant (Synthetic Glass)

Clear Quartz crystals on a Matrix base (Geode fragment) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz crystals on a Matrix base (Geode fragment)

Silicon Dioxide (SiO2)

Opalite (Synthetic Opalized Glass) (Synthetic Silicon Dioxide (SiO2) glass) — mineral

Opalite (Synthetic Opalized Glass)

Synthetic Silicon Dioxide (SiO2) glass

Opalite crescent pendant (Opalite (man-made opalescent glass; not a natural mineral)) — gemstone

Opalite crescent pendant

Opalite (man-made opalescent glass; not a natural mineral)

Opalite (Synthetic Opalised Glass) — glass

Opalite

Synthetic Opalised Glass

Opalite (Synthetic glass / Opalized glass) — gemstone

Opalite

Synthetic glass / Opalized glass

Costume Jewelry with Synthetic Gemstones (Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)) — mineral

Costume Jewelry with Synthetic Gemstones

Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)

Likely clear quartz crystal (possibly cut/polished quartz or glass imitation) (Quartz, silicon dioxide (SiO₂)) — mineral

Likely clear quartz crystal (possibly cut/polished quartz or glass imitation)

Quartz, silicon dioxide (SiO₂)

Chert (Yellow or Tan Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Yellow or Tan Chert)

Silicon Dioxide (SiO2)

Cherry Quartz with Rose Quartz (Crystalline Quartz (SiO2) with glass-based synthetic components) — gemstone

Cherry Quartz with Rose Quartz

Crystalline Quartz (SiO2) with glass-based synthetic components

Opalite (Man-made Glass (Synthetic Opalized Glass)) — mineral

Opalite

Man-made Glass (Synthetic Opalized Glass)

Rainbow Hematite / Magnetic Hematite (Iron oxide (Fe2O3) - often synthetic/coated for beads) — mineral

Rainbow Hematite / Magnetic Hematite

Iron oxide (Fe2O3) - often synthetic/coated for beads

Dendritic Agate (Silicon Dioxide with Iron or Manganese Oxides (SiO2)) — gemstone

Dendritic Agate

Silicon Dioxide with Iron or Manganese Oxides (SiO2)

Opalite (Synthetic Opalised Glass) — mineraloid (synthetic)

Opalite

Synthetic Opalised Glass

mineraloid (synthetic)

Amber (Succinite (organic mineraloid); Chemical formula: C10H16O) — mineral

Amber

Succinite (organic mineraloid); Chemical formula: C10H16O

Strawberry Quartz (or Sunstone / Tumbled Quartz) (Silicon Dioxide (SiO2) with Hematite/Lepidocrocite inclusions) — mineral

Strawberry Quartz (or Sunstone / Tumbled Quartz)

Silicon Dioxide (SiO2) with Hematite/Lepidocrocite inclusions

Ruby (in costume jewelry context) (Corundum (Al2O3) with Chromium impurities) — mineral

Ruby (in costume jewelry context)

Corundum (Al2O3) with Chromium impurities

Garden Quartz (Lodalite) (Silicon Dioxide with various mineral inclusions (SiO2)) — mineral

Garden Quartz (Lodalite)

Silicon Dioxide with various mineral inclusions (SiO2)

Milky Quartz (Crystalline Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Opalite (a synthetic glass, often confused with Opal) (Silicon dioxide glass (SiO2nH2O, for natural opal)) — Synthetic (glass)

Opalite (a synthetic glass, often confused with Opal)

Silicon dioxide glass (SiO2nH2O, for natural opal)

Synthetic (glass)

Opalite (Synthetic Opalite Glass (Silicon Dioxide)) — mineraloid (man-made)

Opalite

Synthetic Opalite Glass (Silicon Dioxide)

mineraloid (man-made)

Pink/red faceted gemstone, likely synthetic ruby or pink sapphire (Corundum, aluminum oxide (Al₂O₃); likely lab-grown or treated material) — gemstone

Pink/red faceted gemstone, likely synthetic ruby or pink sapphire

Corundum, aluminum oxide (Al₂O₃); likely lab-grown or treated material

Blue cabochon gemstone, likely synthetic spinel or glass (Undetermined; possible synthetic cobalt-blue spinel (MgAl₂O₄) or colored glass) — gemstone

Blue cabochon gemstone, likely synthetic spinel or glass

Undetermined; possible synthetic cobalt-blue spinel (MgAl₂O₄) or colored glass

Pearl (Imitation or Cultured) (Calcium Carbonate (Aragonite/Calcite) - CaCO3) — Mineraloid (Organic)

Pearl (Imitation or Cultured)

Calcium Carbonate (Aragonite/Calcite) - CaCO3

Mineraloid (Organic)

Blue Goldstone (Man-made glass with cobalt and metal flecks) — man-made glass

Blue Goldstone

Man-made glass with cobalt and metal flecks

Blue opalite (often sold as synthetic opal) (Opalite glass; amorphous hydrated silica if natural opal (SiO₂·nH₂O)) — gemstone

Blue opalite (often sold as synthetic opal)

Opalite glass; amorphous hydrated silica if natural opal (SiO₂·nH₂O)