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

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

Garden Quartz (Lodalite)

Silicon Dioxide with various mineral inclusions (SiO2)

Ammolite (Biogenic gemstone (Aragonite, CaCO3)) — mineral

Ammolite

Biogenic gemstone (Aragonite, CaCO3)

Colorless faceted gemstone, likely glass or quartz (Uncertain; possibly quartz (SiO₂), but the strong uniform brilliance and apparent molded/faceted form may indicate leaded glass or cubic zirconia) — gemstone

Colorless faceted gemstone, likely glass or quartz

Uncertain; possibly quartz (SiO₂), but the strong uniform brilliance and apparent molded/faceted form may indicate leaded glass or cubic zirconia

Goldstone (Brown) (Aventurine Glass (Silicon Dioxide infused with Copper crystals)) — mineraloid (man-made glass)

Goldstone (Brown)

Aventurine Glass (Silicon Dioxide infused with Copper crystals)

mineraloid (man-made glass)

Painted River Rock (Anthropogenic-modified Siliciclastic Sedimentary Rock) — Sedimentary

Painted River Rock

Anthropogenic-modified Siliciclastic Sedimentary Rock

Dyed Agate (Chalcedony (SiO2)) — mineral

Dyed Agate

Chalcedony (SiO2)

Polished hematite bead necklace (Hematite (iron(III) oxide, Fe₂O₃), likely polished beads) — mineral

Polished hematite bead necklace

Hematite (iron(III) oxide, Fe₂O₃), likely polished beads

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)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Moonstone ring (Moonstone, a feldspar variety (typically orthoclase or adularia; KAlSi₃O₈)) — gemstone

Moonstone ring

Moonstone, a feldspar variety (typically orthoclase or adularia; KAlSi₃O₈)

Chrysocolla in Malachite (Cu2CO3(OH)2 (Malachite) / Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)) — mineral

Chrysocolla in Malachite

Cu2CO3(OH)2 (Malachite) / Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla)

Bismuth crystal (Bismuth (Bi), synthetic laboratory-grown crystal) — mineral

Bismuth crystal

Bismuth (Bi), synthetic laboratory-grown crystal

Opalite (Synthetic Glass, SiO2 base with metallic inclusions) — mineraloid (synthetic)

Opalite

Synthetic Glass, SiO2 base with metallic inclusions

mineraloid (synthetic)

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

Diamond (or Diamond Simulant)

Carbon (C)

Cubic Zirconia (Diamond Simulant) (Zirconium Dioxide (ZrO2)) — gemstone

Cubic Zirconia (Diamond Simulant)

Zirconium Dioxide (ZrO2)

Cubic Zirconia (Jewelry Setting) (Cubic Zirconia (ZrO2)) — gemstone

Cubic Zirconia (Jewelry Setting)

Cubic Zirconia (ZrO2)

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

Cubic Zirconia (Faceted)

Zirconium Dioxide (ZrO2)

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)

Opal stud earrings (Opal, hydrated amorphous silica (SiO₂·nH₂O)) — gemstone

Opal stud earrings

Opal, hydrated amorphous silica (SiO₂·nH₂O)

Orange Sapphire (Corundum (Al2O3)) — gemstone

Orange Sapphire

Corundum (Al2O3)

Ametrine (Silicon Dioxide (SiO2) with iron impurities) — mineral

Ametrine

Silicon Dioxide (SiO2) with iron impurities

Cubic Zirconia (Faceted Gemstone) (Zirconium dioxide (ZrO2)) — gemstone

Cubic Zirconia (Faceted Gemstone)

Zirconium dioxide (ZrO2)

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Colorless faceted gemstone, likely cubic zirconia (Cubic zirconia (synthetic ZrO₂), possibly glass or white sapphire) — gemstone

Colorless faceted gemstone, likely cubic zirconia

Cubic zirconia (synthetic ZrO₂), possibly glass or white sapphire

Hematite (Hematite (Fe₂O₃), likely a polished specular hematite palm stone) — mineral

Hematite

Hematite (Fe₂O₃), likely a polished specular hematite palm stone

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

Ruby

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Diamond (in jewelry) (Cubic Carbon (C)) — mineral

Diamond (in jewelry)

Cubic Carbon (C)

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

Goldstone (Brown)

Aventurine glass

mineraloid (man-made)

Diamond (or Diamond Simulant) (Carbon (C) or Cubic Zirconia (ZrO2)) — gemstone

Diamond (or Diamond Simulant)

Carbon (C) or Cubic Zirconia (ZrO2)

Ruby (faceted gemstone) (Corundum (Al2O3 with Cr impurities)) — gemstone

Ruby (faceted gemstone)

Corundum (Al2O3 with Cr impurities)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Ruby (Rough/Raw) (Corundum (Al2O3:Cr)) — mineral

Ruby (Rough/Raw)

Corundum (Al2O3:Cr)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Ruby (varieties of Corundum) (Aluminum oxide (Al2O3) with Chromium traces) — mineral

Ruby (varieties of Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Rainbow carborundum (silicon carbide) (Silicon carbide, SiC; commonly synthetic moissanite/carborundum specimen) — mineral

Rainbow carborundum (silicon carbide)

Silicon carbide, SiC; commonly synthetic moissanite/carborundum specimen

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

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

Ruby

Corundum (Al2O3 with Chromium impurities)

Malachite (Cu2CO3(OH)2 (Copper Hydroxide Carbonate)) — mineral

Malachite

Cu2CO3(OH)2 (Copper Hydroxide Carbonate)

Amethyst cabochon ring (Amethyst, purple quartz (SiO₂)) — gemstone

Amethyst cabochon ring

Amethyst, purple quartz (SiO₂)