Rock Identifier

Category

Synthetic Glass

Browse synthetic glass specimens identified by the Rock Identifier community.

Learn about Synthetic Glass in the encyclopedia

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Opalite

Opalite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Zincite

Zincite

Sideromelane

Sideromelane

Lead Feldspar

Lead Feldspar

Black Obsidian

Black Obsidian

Maskelynite

Maskelynite

Obsidian

Obsidian

Tachylite

Tachylite

Hyalite Opal

Hyalite Opal

Perlite

Perlite

Macusanite

Quartz with Host Rock (Silicon Dioxide (SiO2)) — mineral

Quartz with Host Rock

Silicon Dioxide (SiO2)

mineral
Clear Quartz (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Tumbled)

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

mineral
Quartz (Milky/Gold-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Gold-stained)

Silicon Dioxide (SiO2)

mineral
Quartz (Milky/Clear variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

mineral
Quartz (Common Quartz Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Common Quartz Pebble)

Silicon Dioxide (SiO2)

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

Quartz / Milky Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Variety: Rose Quartz/Smoky Quartz mix) (Silicon Dioxide (SiO2)) — mineral

Quartz (Variety: Rose Quartz/Smoky Quartz mix)

Silicon Dioxide (SiO2)

mineral
Chert (variant Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (variant Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

sedimentary
Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Smoky/Milky variety with inclusion) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Milky variety with inclusion)

Silicon Dioxide (SiO2)

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

Quartz (Milky/Granular)

Silicon Dioxide (SiO2)

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

Smoky Quartz

Silicon Dioxide (SiO2)

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

Quartz / Milky Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Quartz Crystal Fragment (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz Crystal Fragment

Quartz (Silicon Dioxide, SiO2)

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

Quartz

Quartz (Silicon Dioxide, SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Quartz (Small Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

mineral
Quartz (Milky or Clear fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Clear fragment)

Silicon Dioxide (SiO2)

mineral
Quartz (Quartzite fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Quartzite fragment)

Silicon Dioxide (SiO2)

mineral
Quartz (Milky/Crystalline fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Crystalline fragment)

Silicon Dioxide (SiO2)

mineral
Quartz (Iron-stained) (Silicon Dioxide (SiO2) with Iron Oxide impurities) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2) with Iron Oxide impurities

mineral
Quartz (Smoky or Citrine variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky or Citrine variety)

Silicon Dioxide (SiO2)

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

Quartz (Rose or Milky)

Silicon Dioxide (SiO2)

mineral
Quartz Vein in Host Rock (Silicon Dioxide (SiO2) within Matrix) — igneous/metamorphic

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within Matrix

igneous/metamorphic
Milky Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble

Silicon Dioxide (SiO2)

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

Smoky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

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

Quartz (Grain)

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral
Milky Quartz Vein in Host Rock (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

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

Clear Quartz

SiO2 (Silicon Dioxide)

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

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

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

Chert (White Flint)

Microcrystalline Quartz (SiO2)

sedimentary
Quartz (River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

mineral
Chert (Jasper variety) (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2) with iron oxide impurities

sedimentary
Moldavite (SiO2 (+ Al2O3, FeO, K2O) - Natural Tektite Glass) — gemstone

Moldavite

SiO2 (+ Al2O3, FeO, K2O) - Natural Tektite Glass

gemstone