Rock Identifier

Category

Mineral (Man Made Glass)

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

Learn about Mineral (Man Made Glass) in the encyclopedia

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Opalite

Opalite

Goldstone

Goldstone

Blue Goldstone

Blue Goldstone

Sideromelane

Sideromelane

Black Obsidian

Black Obsidian

Maskelynite

Maskelynite

Tachylite

Tachylite

Obsidian

Obsidian

Map Jasper

Hyalite Opal

Hyalite Opal

Perlite

Perlite

Macusanite

Milky Quartz (Stained with Iron) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (Stained with Iron)

Silicon Dioxide (SiO2)

mineral
Milky Quartz with Mica inclusions (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Mica inclusions

Quartz (Silicon Dioxide, SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

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
Black Obsidian (Amorphous volcanic glass (SiO2)) — igneous

Black Obsidian

Amorphous volcanic glass (SiO2)

igneous
Mahogany Obsidian (Volcanic Glass (SiO2 + Fe2O3)) — igneous

Mahogany Obsidian

Volcanic Glass (SiO2 + Fe2O3)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Quartz (Druzy)

Silicon Dioxide (SiO2)

mineral
Sandstone (Ferruginous) (Sandstone (primarily SiO2 with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Sandstone (primarily SiO2 with Iron Oxide cement)

sedimentary
Aventurine (Aventurine Quartz (SiO2 with inclusions)) — metamorphic

Aventurine

Aventurine Quartz (SiO2 with inclusions)

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

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

mineral
Quartzite River Rock (Quartzite (primarily SiO2)) — metamorphic

Quartzite River Rock

Quartzite (primarily SiO2)

metamorphic
Green Aventurine (Silicon Dioxide (SiO2) with Fuchsite inclusions) — mineral

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

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

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Chert (Flint) (Silicon dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon dioxide (SiO2)

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

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Milky quartz fragments (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz fragments

Quartz (silicon dioxide, SiO₂)

mineral
Ferruginous Quartz (Silicon Dioxide (SiO2) with Hematite/Limonite impurities) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

mineral
Sandstone (Sandstone (SiO2 dominant)) — sedimentary

Sandstone

Sandstone (SiO2 dominant)

sedimentary
Sandstone (Micaceous) (Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)) — sedimentary

Sandstone (Micaceous)

Clastic Sedimentary Rock - Micaceous Litharenite (SiO2 principal)

sedimentary
Sandstone (Arenite (typically SiO2 + others)) — sedimentary

Sandstone

Arenite (typically SiO2 + others)

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

Quartz (Small Pebble)

Silicon Dioxide (SiO2)

mineral
Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

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

Quartz

Quartz (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
Aquamarine (Beryl (Be3Al2Si6O18)) — gemstone

Aquamarine

Beryl (Be3Al2Si6O18)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Quartz Vein / Quartzite with Iron Oxide Staining (Silicon Dioxide (SiO2)) — mineral

Quartz Vein / Quartzite with Iron Oxide Staining

Silicon Dioxide (SiO2)

mineral
Sandstone (Arenite (SiO2 variety)) — sedimentary

Sandstone

Arenite (SiO2 variety)

sedimentary
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz

Silicon Dioxide (SiO2)

mineral
Green Aventurine (Si O2 (Silicon Dioxide with Fuchsite inclusions)) — mineral

Green Aventurine

Si O2 (Silicon Dioxide with Fuchsite inclusions)

mineral
Black Obsidian (Volcanic Glass (Amorphous SiO2 with trace impurities)) — igneous

Black Obsidian

Volcanic Glass (Amorphous SiO2 with trace impurities)

igneous
Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

sedimentary
Sandstone (with Iron Staining) (Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)

sedimentary
Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

sedimentary
Quartz (Druzy/Macro-crystalline) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy/Macro-crystalline)

Silicon Dioxide (SiO2)

mineral
Red Quartzite (Strawberry Quartz) (Quartzite (SiO2 with iron oxide inclusions)) — metamorphic

Red Quartzite (Strawberry Quartz)

Quartzite (SiO2 with iron oxide inclusions)

metamorphic
Sandstone (River Cobble) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (River Cobble)

Clastic sedimentary rock (primarily SiO2)

sedimentary