Rock Identifier

Category

Man Made Glass

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

Learn about Man Made Glass in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Zincite

Mint Obsidian

Blue Obsidian

Green Obsidian

Crimson Obsidian

Cherry Obsidian

Violet Obsidian

Cobalt Blue Obsidian

Tangerine Obsidian

Obsidian (Obsidian (Extrusive Volcanic Glass)) — igneous

Obsidian

Obsidian (Extrusive Volcanic Glass)

Yellow Jasper (Silicon Dioxide (SiO2) with iron hydroxides (Goethite)) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides (Goethite)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Black Obsidian (Volcanic Glass (predominantly SiO2)) — igneous

Black Obsidian

Volcanic Glass (predominantly SiO2)

Granite Pebble (Granite) — igneous

Granite Pebble

Granite

Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color) (Calcite) — Mineral

Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)

Calcite

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

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

Green Chert (Jasper)

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Strawberry Quartz (Red Aventurine) (Silicon Dioxide (SiO2) with Hematite/Goethite inclusions) — mineral

Strawberry Quartz (Red Aventurine)

Silicon Dioxide (SiO2) with Hematite/Goethite inclusions

Fluorite (likely Green Fluorite variant) (Calcium Fluoride (CaF2)) — mineral

Fluorite (likely Green Fluorite variant)

Calcium Fluoride (CaF2)

Pink Granite (River Pebble) (Felsic intrusive igneous rock (consisting of Quartz, Orthoclase Feldspar, and Plagioclase)) — igneous

Pink Granite (River Pebble)

Felsic intrusive igneous rock (consisting of Quartz, Orthoclase Feldspar, and Plagioclase)

Sandstone (Ferruginous) (Arenite (Fe2O3 stained)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe2O3 stained)

Sandstone (Arenite (primarily SiO2 with trace Fe2O3)) — sedimentary

Sandstone

Arenite (primarily SiO2 with trace Fe2O3)

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Obsidian (Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)) — igneous

Obsidian

Volcanic Glass (Primary composition: SiO2 - Silicon Dioxide)

Quartz (likely milky/rose quartz variety) (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz (likely milky/rose quartz variety)

Quartz (SiO2 - Silicon Dioxide)

Quartzite (Sugar Quartz) (Quartzite (primarily SiO2)) — metamorphic

Quartzite (Sugar Quartz)

Quartzite (primarily SiO2)

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Quartz (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Granite (Phaneritic plutonic rock (Quartz, Feldspar, Mica)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Feldspar, Mica)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Green Aventurine (Aventurine Quartz (SiO2)) — metamorphic

Green Aventurine

Aventurine Quartz (SiO2)

Agate (Water-Worn) (Cryptocrystalline quartz (SiO2)) — sedimentary

Agate (Water-Worn)

Cryptocrystalline quartz (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Vesicular Rhyolite (Rhyolite (High-silica volcanic rock)) — igneous

Vesicular Rhyolite

Rhyolite (High-silica volcanic rock)

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

Milky Quartz Geode Fragment

Silicon Dioxide (SiO2)

Banded Black Onyx (Chalcedony) (Silicon Dioxide (SiO₂)) — mineral

Banded Black Onyx (Chalcedony)

Silicon Dioxide (SiO₂)

Fossiliferous Limestone (Limestone (composed primarily of calcite with included fossils CaCO3)) — Sedimentary

Fossiliferous Limestone

Limestone (composed primarily of calcite with included fossils CaCO3)

Quartz (Silicon Dioxide (SiO2)) — Mineral

Quartz

Silicon Dioxide (SiO2)

Note on Image Identification: Textile (N/A (Anthropogenic material)) — not a rock

Note on Image Identification: Textile

N/A (Anthropogenic material)

Quartz (Quartz (Silicon Dioxide - SiO2)) — Mineral

Quartz

Quartz (Silicon Dioxide - SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Quartzite (River Pebble) (Metamorphosed Quartz-rich Sandstone (SiO2)) — metamorphic

Quartzite (River Pebble)

Metamorphosed Quartz-rich Sandstone (SiO2)

Carnelian (Chalcedony (Silicon Dioxide, SiO2 with Iron Oxide impurities)) — mineral

Carnelian

Chalcedony (Silicon Dioxide, SiO2 with Iron Oxide impurities)

Bituminous Coal (with Anthracite or Vitrinite inclusion) (Organic-rich Sedimentary Rock (Carboniferous classification)) — sedimentary

Bituminous Coal (with Anthracite or Vitrinite inclusion)

Organic-rich Sedimentary Rock (Carboniferous classification)

Limestone (CaCO3 (Mainly Calcite or Aragonite)) — sedimentary

Limestone

CaCO3 (Mainly Calcite or Aragonite)