Rock Identifier

Category

Synthetic (Man Made Glass)

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

Learn about Synthetic (Man Made Glass) in the encyclopedia

Opalite

Goldstone

Zincite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Blue Goldstone

Sideromelane

Lead Feldspar

Black Obsidian

Maskelynite

Tachylite

Obsidian

Map Jasper

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

Flint / Chert Pebble

Microcrystalline Quartz (SiO2)

Chert (and Agate/Chalcedony) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (and Agate/Chalcedony)

Microcrystalline Quartz (SiO2)

Aura Quartz (Silicon Dioxide (SiO2) with Titanium/Metal vapor coating) — mineral

Aura Quartz

Silicon Dioxide (SiO2) with Titanium/Metal vapor coating

Sapphire (Corundum (Al2O3)) — gemstone

Sapphire

Corundum (Al2O3)

Dalmatian Stone (Dalmatian Jasper (a misnomer) / Perthitic Feldspar Rock) — igneous

Dalmatian Stone

Dalmatian Jasper (a misnomer) / Perthitic Feldspar Rock

Diamond (Faceted Colorless) (Diamond (Pure Carbon, C)) — mineral

Diamond (Faceted Colorless)

Diamond (Pure Carbon, C)

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

Diamond (or Cubic Zirconia simulant)

C (Carbon) or ZrO2 (Zirconium Dioxide)

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

Chert (Jasper)

Silicon Dioxide (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

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

Chert (Chert / Flint Variety)

Microcrystalline / Cryptocrystalline Quartz (SiO2)

Chert / Jasper (Silicon Dioxide (SiO₂)) — sedimentary

Chert / Jasper

Silicon Dioxide (SiO₂)

Jasper / Chert (Red) (Cryptocrystalline quartz (SiO2)) — Sedimentary / Mineral

Jasper / Chert (Red)

Cryptocrystalline quartz (SiO2)

Sedimentary / Mineral

Red Quartzite (Quartzite (Metamorphosed Quartz Arenite)) — metamorphic

Red Quartzite

Quartzite (Metamorphosed Quartz Arenite)

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

Chert (Jasper variation)

Microcrystalline Quartz (SiO2)

Quartzite (Metamorphic Quartz Sandstone) — metamorphic

Quartzite

Metamorphic Quartz Sandstone

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

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

Chert (Flint / Jasper)

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 composition dominant)) — sedimentary

Sandstone

Arenite (SiO2 composition dominant)

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

Black spinel bead bracelet

Spinel (magnesium aluminate), MgAl₂O₄

Sandstone (Quartzose) (Sandstone (SiO2 dominated)) — sedimentary

Sandstone (Quartzose)

Sandstone (SiO2 dominated)

Slag Glass / Industrial Slag (Anthropogenic Glass) — man-made glass / industrial byproduct

Slag Glass / Industrial Slag

Anthropogenic Glass

man-made glass / industrial byproduct

Clear faceted gemstone, likely synthetic cubic zirconia (Cubic zirconia (zirconium dioxide, ZrO₂); visual identification is not definitive and diamond or synthetic moissanite are alternatives) — gemstone

Clear faceted gemstone, likely synthetic cubic zirconia

Cubic zirconia (zirconium dioxide, ZrO₂); visual identification is not definitive and diamond or synthetic moissanite are alternatives

Tektite (Natural impact glass) — meteorite

Tektite

Natural impact glass

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

Chert / Flint

Microcrystalline Quartz (SiO2)

Chert (Chalcedony/Agate variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Chalcedony/Agate variety)

Silicon Dioxide (SiO2)

Green glassy slag (often sold as “sea glass” or “green obsidian”) (Industrial vitreous slag; primarily amorphous silicate glass, composition variable) — mineral

Green glassy slag (often sold as “sea glass” or “green obsidian”)

Industrial vitreous slag; primarily amorphous silicate glass, composition variable

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Aragonite (Aragonite (Calcium Carbonate - CaCO3)) — mineral

Aragonite

Aragonite (Calcium Carbonate - CaCO3)

Turquoise cabochon jewelry (Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O) — gemstone

Turquoise cabochon jewelry

Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O

Black Chert River Stone (Cryptocrystalline Quartz (SiO2)) — sedimentary

Black Chert River Stone

Cryptocrystalline Quartz (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Probable amber fragment (Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)) — gemstone

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Titanium Aura Quartz (Aura Quartz) (Titanium-coated Silicon Dioxide (SiO2)) — mineral

Titanium Aura Quartz (Aura Quartz)

Titanium-coated Silicon Dioxide (SiO2)

Quartzite pebble (Quartzite (SiO2)) — metamorphic

Quartzite pebble

Quartzite (SiO2)

Ruby cabochons (Corundum, aluminum oxide (Al₂O₃), colored red by chiefly chromium) — gemstone

Ruby cabochons

Corundum, aluminum oxide (Al₂O₃), colored red by chiefly chromium

Smoky Quartz (SiO2 (Silicon Dioxide)) — mineral

Smoky Quartz

SiO2 (Silicon Dioxide)

Larimar (Pectolite) — mineral

Larimar

Pectolite

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

Chert (Jasper/Flint)

Silicon Dioxide (SiO2)

Goldstone (blue-goldstone–style glass) beads (Artificial aventurine glass, typically silica glass with copper inclusions; not a natural mineral) — mineral

Goldstone (blue-goldstone–style glass) beads

Artificial aventurine glass, typically silica glass with copper inclusions; not a natural mineral

Diamond (or Diamond Simulant) (Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia - ZrO2, Moissanite - SiC)) — gemstone

Diamond (or Diamond Simulant)

Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia - ZrO2, Moissanite - SiC)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)