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

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

Blue Goldstone

Aventurine Glass

Man-made mineral simulant (Glass)

Blue sapphire ring (Corundum, aluminum oxide (Al₂O₃), blue variety colored mainly by iron and titanium) — gemstone

Blue sapphire ring

Corundum, aluminum oxide (Al₂O₃), blue variety colored mainly by iron and titanium

Blue Sapphire (Corundum (Al2O3)) — gemstone

Blue Sapphire

Corundum (Al2O3)

Cubic Zirconia (CZ) (Cubic Zirconium Dioxide (ZrO2)) — mineral (synthetic)

Cubic Zirconia (CZ)

Cubic Zirconium Dioxide (ZrO2)

mineral (synthetic)

Anthropogenic Heat Source (Electronic/Industrial Interface) (Thermal IR emission (Electronic infrastructure)) — not a rock or mineral

Anthropogenic Heat Source (Electronic/Industrial Interface)

Thermal IR emission (Electronic infrastructure)

not a rock or mineral

Blue Sapphire (Synthetic or Man-made Glass Imitation) (Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic) — mineral

Blue Sapphire (Synthetic or Man-made Glass Imitation)

Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic

Opalite (Synthetic Glass (Amorphized Silicon Dioxide)) — mineraloid

Opalite

Synthetic Glass (Amorphized Silicon Dioxide)

Clear faceted gemstone, likely quartz (rock crystal) (Quartz, silicon dioxide (SiO₂); exact identity cannot be confirmed from the glare-heavy image) — gemstone

Clear faceted gemstone, likely quartz (rock crystal)

Quartz, silicon dioxide (SiO₂); exact identity cannot be confirmed from the glare-heavy image

Black faceted gemstone, likely spinel or black tourmaline (Most plausibly black spinel (MgAl₂O₄); visually similar possibilities include schorl tourmaline (NaFe₃Al₆(BO₃)₃Si₆O₁₈(OH)₄) or synthetic glass) — gemstone

Black faceted gemstone, likely spinel or black tourmaline

Most plausibly black spinel (MgAl₂O₄); visually similar possibilities include schorl tourmaline (NaFe₃Al₆(BO₃)₃Si₆O₁₈(OH)₄) or synthetic glass

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

Ruby

Corundum (Al2O3 with Chromium traces)

Colorless Gemstone (possibly Diamond or Cubic Zirconia) (C (Diamond) or ZrO2 (Cubic Zirconia)) — gemstone

Colorless Gemstone (possibly Diamond or Cubic Zirconia)

C (Diamond) or ZrO2 (Cubic Zirconia)

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

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)

Synthetic Ruby (Jewel Bearings) (Synthetic Corundum (Al2O3 doped with Chromium)) — mineral

Synthetic Ruby (Jewel Bearings)

Synthetic Corundum (Al2O3 doped with Chromium)

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

Black spinel bead bracelet (Spinel (magnesium aluminate), MgAl₂O₄) — gemstone

Black spinel bead bracelet

Spinel (magnesium aluminate), MgAl₂O₄

Yellow-orange faceted gemstone, likely citrine or yellow topaz (Citrine: quartz, SiO₂; yellow topaz: Al₂SiO₄(F,OH)₂) — gemstone

Yellow-orange faceted gemstone, likely citrine or yellow topaz

Citrine: quartz, SiO₂; yellow topaz: Al₂SiO₄(F,OH)₂

Blue topaz pendant (Topaz (Al₂SiO₄(F,OH)₂), likely treated blue topaz) — gemstone

Blue topaz pendant

Topaz (Al₂SiO₄(F,OH)₂), likely treated blue topaz

Blue glass-like cabochon, likely dyed or synthetic material (Uncertain; possibly dyed chalcedony, synthetic spinel, or blue glass) — gemstone

Blue glass-like cabochon, likely dyed or synthetic material

Uncertain; possibly dyed chalcedony, synthetic spinel, or blue glass

Black spinel bead strand (Spinel, magnesium aluminum oxide (MgAl₂O₄)) — gemstone

Black spinel bead strand

Spinel, magnesium aluminum oxide (MgAl₂O₄)

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)

Goldstone (Avventurina (Cu + SiO2 glass)) — mineral

Goldstone

Avventurina (Cu + SiO2 glass)

Diamond (or Cubic Zirconia) (Carbon (C) or Zirconium Dioxide (ZrO2)) — gemstone

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Ruby (Corundum (Al2O3)) — gemstone

Ruby

Corundum (Al2O3)

Ruby (Faceted) (Corundum (Al2O3:Cr)) — gemstone

Ruby (Faceted)

Corundum (Al2O3:Cr)

Pink Dyed Agate (Silicon Dioxide (SiO2) - Variety Agate) — mineral

Pink Dyed Agate

Silicon Dioxide (SiO2) - Variety Agate

Lapidary Wax (imitation/wax model) (Hydrocarbon wax blend with colorant (imitating Lapis Lazuli/Emerald)) — mineral

Lapidary Wax (imitation/wax model)

Hydrocarbon wax blend with colorant (imitating Lapis Lazuli/Emerald)

Hematite bead bracelet (Hematite (Fe₂O₃), likely polished or magnetically enhanced beads) — mineral

Hematite bead bracelet

Hematite (Fe₂O₃), likely polished or magnetically enhanced beads

Limonite (Iron Ore) (Limonite; FeO(OH)·nH2O) — mineral

Limonite (Iron Ore)

Limonite; FeO(OH)·nH2O

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

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

Silicon Carbide (Carborundum)

Silicon Carbide (SiC)

Polished green-and-black banded cabochon (likely malachite imitation or dyed agate) (Uncertain; possible malachite (Cu₂CO₃(OH)₂), banded agate (SiO₂), or man-made glass) — gemstone

Polished green-and-black banded cabochon (likely malachite imitation or dyed agate)

Uncertain; possible malachite (Cu₂CO₃(OH)₂), banded agate (SiO₂), or man-made glass

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

Ruby (varietal of Corundum)

Corundum (Al2O3:Cr)

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

Coal (Bituminous or Anthracite)

Carbonaceous Sedimentary Rock

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)

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

Hematite

Iron(III) oxide (Fe2O3)