Rock Identifier

Category

Synthetic Polymer (Synthetic Material)

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

Learn about Synthetic Polymer (Synthetic Material) in the encyclopedia

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Zincite

Opalite

Lead Feldspar

Peat

Zircon

Dunite

Limonite

Shell Opal

Madagascar Opal

Lavender Obsidian

Electric Blue Obsidian

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

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

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

Blue Goldstone

Man-made glass with cobalt and metal flecks

Dyed Purple Agate Sliced Tablet (Silicon Dioxide (SiO2), variety Chalcedony) — gemstone

Dyed Purple Agate Sliced Tablet

Silicon Dioxide (SiO2), variety Chalcedony

Emerald (Beryl (Be3Al2(SiO3)6) colored by Chromium and/or Vanadium) — mineral

Emerald

Beryl (Be3Al2(SiO3)6) colored by Chromium and/or Vanadium

Opalite (Synthetically produced glass (Silicon Dioxide with metallic inclusions)) — Mineraloid (Man-made Glass)

Opalite

Synthetically produced glass (Silicon Dioxide with metallic inclusions)

Mineraloid (Man-made Glass)

Lapis Lazuli (Lapis lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)

Emerald in Matrix (Beryl (Be3Al2Si6O18) with trace amounts of Chromium/Vanadium) — mineral

Emerald in Matrix

Beryl (Be3Al2Si6O18) with trace amounts of Chromium/Vanadium

Man-made Jewelry Charm (Enameled Metal) (Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.) — Synthetic / Manufactured Artifact

Man-made Jewelry Charm (Enameled Metal)

Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.

Synthetic / Manufactured Artifact

Red Agate (Carnelian) (Silicon Dioxide (SiO2)) — gemstone

Red Agate (Carnelian)

Silicon Dioxide (SiO2)

Carnelian (Carnelian (Cryptocrystalline Quartz, SiO2)) — mineral

Carnelian

Carnelian (Cryptocrystalline Quartz, SiO2)

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

Hematite

Iron(III) oxide (Fe2O3)

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Blue Sapphire (Corundum (Al2O3 with Cr, Fe, and Ti trace elements)) — gemstone

Blue Sapphire

Corundum (Al2O3 with Cr, Fe, and Ti trace elements)

Coal (Bituminous or Anthracite) (Carbonaceous Sedimentary Rock) — sedimentary

Coal (Bituminous or Anthracite)

Carbonaceous Sedimentary Rock

Ruby (varietal of Corundum) (Corundum (Al2O3:Cr)) — gemstone

Ruby (varietal of Corundum)

Corundum (Al2O3:Cr)

Spinel (Magnesium Aluminum Oxide (MgAl2O4)) — mineral

Spinel

Magnesium Aluminum Oxide (MgAl2O4)

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

Ruby

Corundum (Al2O3 with Chromium trace)

Rough Ruby (Corundum (Al2O3 with Chromium impurities)) — mineral

Rough Ruby

Corundum (Al2O3 with Chromium impurities)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Blue Sapphire (in a faceted jewelry setting) (Corundum (Al2O3) with trace Iron and Titanium) — mineral

Blue Sapphire (in a faceted jewelry setting)

Corundum (Al2O3) with trace Iron and Titanium

Ruby (Corundum (Al2O3)) — mineral

Ruby

Corundum (Al2O3)

Ruby (Corundum (Al2O3 with Chromium)) — mineral

Ruby

Corundum (Al2O3 with Chromium)

Smoky Quartz (Smoky Quartz (Silicon Dioxide, SiO2)) — mineral

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

Green glassy cabochon, likely dyed or synthetic material (Uncertain; possibly green obsidian, chrysoprase, or synthetic glass) — gemstone

Green glassy cabochon, likely dyed or synthetic material

Uncertain; possibly green obsidian, chrysoprase, or synthetic glass

Cubic Zirconia (Faceted) (Zirconium dioxide (ZrO2)) — mineral

Cubic Zirconia (Faceted)

Zirconium dioxide (ZrO2)

Silicon (Crystalline Silicon (Si)) — mineral

Silicon

Crystalline Silicon (Si)

K2 Stone (or K2 Jasper) (Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)) — igneous

K2 Stone (or K2 Jasper)

Azurite-in-Granite (Potassium Feldspar, Quartz, Plagioclase, Muscovite, and Azurite)

Clear Quartz (Faceted) / White Sapphire / Goshenite (Silicon Dioxide (SiO2) / Aluminium Oxide (Al2O3)) — gemstone

Clear Quartz (Faceted) / White Sapphire / Goshenite

Silicon Dioxide (SiO2) / Aluminium Oxide (Al2O3)

Dyed Agate Geode (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Agate Geode

Silicon Dioxide (SiO2) with artificial pigment

Asphalt (Bituminous Concrete) (Bituminous mix / Anthropogenic conglomerate) — man-made composite (lithified equivalent of sedimentary)

Asphalt (Bituminous Concrete)

Bituminous mix / Anthropogenic conglomerate

man-made composite (lithified equivalent of sedimentary)

Amethyst (Tumbled) (Silicon Dioxide (SiO2) with Fe3+ impurities) — mineral

Amethyst (Tumbled)

Silicon Dioxide (SiO2) with Fe3+ impurities

Blue faceted gemstones, likely blue sapphire (Corundum (Al₂O₃), blue varieties colored chiefly by iron and titanium) — gemstone

Blue faceted gemstones, likely blue sapphire

Corundum (Al₂O₃), blue varieties colored chiefly by iron and titanium

Lava Stone and Chakra Beads (Basalt (with various mineral/synthetic beads)) — igneous

Lava Stone and Chakra Beads

Basalt (with various mineral/synthetic beads)

Opalite (Synthetic Fluorescent Glass (SiO2 + impurities)) — mineraloid (synthetic)

Opalite

Synthetic Fluorescent Glass (SiO2 + impurities)

mineraloid (synthetic)

Blue Cracked Quartz (Dyed Fire Crackle Quartz) (Silicon Dioxide (SiO2) with synthetic dye) — mineral

Blue Cracked Quartz (Dyed Fire Crackle Quartz)

Silicon Dioxide (SiO2) with synthetic dye

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

Diamond (or Diamond Simulant)

Carbon (C)

Opalite (Synthetic Glass (Simulated Moonstone/Opal)) — gemstone

Opalite

Synthetic Glass (Simulated Moonstone/Opal)

Opalite (Synthetic glass (SiO2 + metal additions)) — mineraloid

Opalite

Synthetic glass (SiO2 + metal additions)

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

Opalite

Synthetic Opalite (Man-made glass)

Pink Dyed Agate (Silicon Dioxide (SiO2) with synthetic pigment) — mineral

Pink Dyed Agate

Silicon Dioxide (SiO2) with synthetic pigment

Dyed Quartzite (Metamorphosed Quartz (SiO2) with synthetic pigment) — metamorphic

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment

Dyed Crackle Quartz (Silicon Dioxide (SiO2) with synthetic dye) — mineral

Dyed Crackle Quartz

Silicon Dioxide (SiO2) with synthetic dye