Rock Identifier

Category

Manufactured Glass

Browse manufactured glass specimens identified by the Rock Identifier community.

Learn about Manufactured Glass in the encyclopedia

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Green Obsidian

Green Obsidian

Blue Obsidian

Lavender Obsidian

Violet Obsidian

Yellow Obsidian

Yellow Obsidian

Crimson Obsidian

Tangerine Obsidian

Lilac Obsidian

Mint Obsidian

Orange Obsidian

Electric Blue Obsidian

Pink Lady Obsidian

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

sedimentary
Quartzite (Quartzite (composed primarily of SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of SiO2)

metamorphic
Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Quartzite (primarily SiO2)

metamorphic
Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

sedimentary
Milky Quartz (Ferruginous variety) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (Ferruginous variety)

Silicon Dioxide (SiO2)

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

Quartz (Chalcedony)

Silicon Dioxide (SiO2)

mineral
Quartzite (River Pebble) (Meta-quartzite (composed primarily of SiO2)) — metamorphic

Quartzite (River Pebble)

Meta-quartzite (composed primarily of SiO2)

metamorphic
Sandstone (Sedimentary Rock (Quartz Arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Arenite)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

mineral
Quartzite (Quartzite (Mostly SiO2)) — metamorphic

Quartzite

Quartzite (Mostly SiO2)

metamorphic
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Sandstone (Ferruginous) (Arenite (with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (with Iron Oxide cement)

sedimentary
Quartzite (Metamorphic Quartzite) — metamorphic

Quartzite

Metamorphic Quartzite

metamorphic
Quartzite with Quartz Veining (Metamorphosed Sandstone (primarily SiO2)) — metamorphic

Quartzite with Quartz Veining

Metamorphosed Sandstone (primarily SiO2)

metamorphic
Lepidolite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Lepidolite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

mineral
Quartzite (Quartzite (Metamorphosed Quartz Sandstone)) — metamorphic

Quartzite

Quartzite (Metamorphosed Quartz Sandstone)

metamorphic
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

sedimentary
Red Sandstone (Quartz Arenite (with Iron Oxide)) — sedimentary

Red Sandstone

Quartz Arenite (with Iron Oxide)

sedimentary
Banded Sandstone (Quartz Arenite (with iron oxide banding)) — sedimentary

Banded Sandstone

Quartz Arenite (with iron oxide banding)

sedimentary
Quartzite Pebble (Quartzite (SiO2) with iron staining) — metamorphic

Quartzite Pebble

Quartzite (SiO2) with iron staining

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

Quartz (Grain)

Silicon Dioxide (SiO2)

mineral
Quartzite Cobble (Quartzite (chemically SiO2)) — metamorphic

Quartzite Cobble

Quartzite (chemically SiO2)

metamorphic
Sandstone (Arenite (lithic or quartz sandstone)) — sedimentary

Sandstone

Arenite (lithic or quartz sandstone)

sedimentary
Jasper (Iron-stained Quartz) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (Iron-stained Quartz)

Silicon Dioxide (SiO2) with iron oxide inclusions

sedimentary
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Sandstone (Quartz-rich) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (composed primarily of SiO2)

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

Sandstone

Arenite (composed primarily of SiO2)

sedimentary
Quartz (Chert/Chunky Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Chert/Chunky Chalcedony)

Silicon Dioxide (SiO2)

mineral
River Quartzite (Water-worn Quartzite) (Quartzite (primarily SiO2)) — metamorphic

River Quartzite (Water-worn Quartzite)

Quartzite (primarily SiO2)

metamorphic
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

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

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

mineral
Quartz (Microcrystalline/Chert) (Silicon Dioxide (SiO2)) — mineral

Quartz (Microcrystalline/Chert)

Silicon Dioxide (SiO2)

mineral
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Sandstone (Arenite (primarily Quartz SiO2)) — sedimentary

Sandstone

Arenite (primarily Quartz SiO2)

sedimentary
Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Rough Quartz (Grey-Green) (Silicon Dioxide (SiO2)) — mineral

Rough Quartz (Grey-Green)

Silicon Dioxide (SiO2)

mineral
Sandstone (Arenite) — sedimentary

Sandstone

Arenite

sedimentary
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Quartz (White or Milky Quartz Pebble) (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz (White or Milky Quartz Pebble)

Quartz (Silicon Dioxide, SiO2)

mineral