Rock Identifier

Category

Synthetic Glass (Man Made)

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

Learn about Synthetic Glass (Man Made) in the encyclopedia

Opalite

Goldstone

Zincite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Blue Goldstone

Sideromelane

Lead Feldspar

Black Obsidian

Maskelynite

Obsidian

Tachylite

Map Jasper

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Aura Quartz / Rainbow Aura Quartz (Silicon Dioxide (SiO2) with metallic vapor coating) — mineral

Aura Quartz / Rainbow Aura Quartz

Silicon Dioxide (SiO2) with metallic vapor coating

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Diamond (in a jewelry setting) (Carbon (C)) — mineral

Diamond (in a jewelry setting)

Carbon (C)

Strawberry Quartz (or Pink Aventurine) (Quartz with Hematite/Goethite inclusions (SiO2)) — mineral

Strawberry Quartz (or Pink Aventurine)

Quartz with Hematite/Goethite inclusions (SiO2)

Borosilicate Glass (Manufactured) (SiO2 + B2O3 (Silicon dioxide and Boron trioxide)) — Synthetic/Amorphous Solid

Borosilicate Glass (Manufactured)

SiO2 + B2O3 (Silicon dioxide and Boron trioxide)

Synthetic/Amorphous Solid

Aquamarine in Onyx / Blue Topaz Pendant (Beryl (Be₃Al₂Si₆O₁₈) or Topaz (Al₂SiO₄(F,OH)₂)) — gemstone

Aquamarine in Onyx / Blue Topaz Pendant

Beryl (Be₃Al₂Si₆O₁₈) or Topaz (Al₂SiO₄(F,OH)₂)

Diamond (Baguette cut) (Carbon (C)) — gemstone

Diamond (Baguette cut)

Carbon (C)

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

Ruby (Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Chert (Common Opal/Jasper variety) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Common Opal/Jasper variety)

Cryptocrystalline Quartz (SiO2)

Chert / Flint (Microcrystalline Quartz (SiO2)) — sedimentary

Chert / Flint

Microcrystalline Quartz (SiO2)

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

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Chert (Flint Nodules) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint Nodules)

Cryptocrystalline Quartz (SiO2)

Crystal Quartz Beads (likely Clear Quartz) (Quartz (SiO₂)) — Mineral

Crystal Quartz Beads (likely Clear Quartz)

Quartz (SiO₂)

Diamond (Diamond (C)) — gemstone

Diamond

Diamond (C)

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

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

Cubic Zirconia (Faceted Gemstone)

Zirconium dioxide (ZrO2)

Chert (Flint/Chalcedony) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint/Chalcedony)

Silicon Dioxide (SiO2)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

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

Blue Agate Geode (Dyed)

Cryptocrystalline Quartz (SiO2)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Chert (varieties include Flint and Mudstone) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (varieties include Flint and Mudstone)

Microcrystalline Silica (SiO2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Eroded Brick or Pumice-like Scoria (Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)) — igneous

Eroded Brick or Pumice-like Scoria

Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)

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

Ruby

Corundum (Al2O3 with Chromium traces)

Gemstone bead necklace (likely citrine or yellow quartz) (Quartz, SiO₂; precise identification is uncertain because the beads are blurred and metal settings obscure them) — gemstone

Gemstone bead necklace (likely citrine or yellow quartz)

Quartz, SiO₂; precise identification is uncertain because the beads are blurred and metal settings obscure them

Iron Slag (Ferrous slag (primarily silicates and oxides of calcium, iron, and magnesium)) — Anthropogenic (Man-made industrial byproduct)

Iron Slag

Ferrous slag (primarily silicates and oxides of calcium, iron, and magnesium)

Anthropogenic (Man-made industrial byproduct)

Emerald (Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium) — mineral

Emerald

Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (and/or Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (and/or Flint)

Microcrystalline Quartz (SiO2)

Chert (Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

Emerald (Beryl (Be₃Al₂(SiO₃)‑₆) with Chromium/Vanadium impurities) — mineral

Emerald

Beryl (Be₃Al₂(SiO₃)‑₆) with Chromium/Vanadium impurities

Flint (Silicon dioxide (SiO2)) — sedimentary

Flint

Silicon dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Chert (often called Flint or Jasper if reddish) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint or Jasper if reddish)

Microcrystalline Quartz (SiO2)

Faceted yellow-brown gemstone earring (Likely citrine (quartz, SiO₂), though treated quartz or synthetic glass cannot be confirmed from the image) — gemstone

Faceted yellow-brown gemstone earring

Likely citrine (quartz, SiO₂), though treated quartz or synthetic glass cannot be confirmed from the image

Staurolite (Fairy Stone) (Staurolite (Fe2+2Al9Si4O23(OH))) — metamorphic

Staurolite (Fairy Stone)

Staurolite (Fe2+2Al9Si4O23(OH))

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

Ruby

Corundum (Al2O3 with Chromium impurities)