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

Opalite

Goldstone

Blue Goldstone

Sideromelane

Black Obsidian

Maskelynite

Tachylite

Obsidian

Map Jasper

Hyalite Opal

Perlite

Macusanite

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Green Quartzite (Metamorphic Quartzite (often colored by chromium-bearing minerals or fuchsite)) — metamorphic

Green Quartzite

Metamorphic Quartzite (often colored by chromium-bearing minerals or fuchsite)

Goldstone (Not a natural mineral or rock. It is an ornamental glass.) — Manufactured Glass (Simulant)

Goldstone

Not a natural mineral or rock. It is an ornamental glass.

Manufactured Glass (Simulant)

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

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

Diamond (in a cluster setting) (Crystallized Carbon (C)) — mineral

Diamond (in a cluster setting)

Crystallized Carbon (C)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Amethyst (or Light Amethyst / Rose Quartz) (Quartz (Silicon Dioxide, SiO2)) — mineral

Amethyst (or Light Amethyst / Rose Quartz)

Quartz (Silicon Dioxide, SiO2)

Obsidian (Volcanic glass) — igneous

Obsidian

Volcanic glass

Obsidian (Volcanic Glass (Amorphous SiO2)) — igneous

Obsidian

Volcanic Glass (Amorphous SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Blue Quartz (Aventurine) (Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)) — mineral

Blue Quartz (Aventurine)

Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)

Diamond (Cut jewelry specimen) (Diamond (pure Carbon, C)) — mineral

Diamond (Cut jewelry specimen)

Diamond (pure Carbon, C)

Natural or Cultured Pearl (Calcium Carbonate (Aragonite and Conchiolin), CaCO3) — Mineral (Organic)

Natural or Cultured Pearl

Calcium Carbonate (Aragonite and Conchiolin), CaCO3

Mineral (Organic)

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

Chert (and/or Flint)

Microcrystalline Quartz (SiO2)

Amethyst Cluster (Silicon Dioxide with Iron impurities (SiO2)) — mineral

Amethyst Cluster

Silicon Dioxide with Iron impurities (SiO2)

Sandstone (likely Fossiliferous) (Arenite / Fossiliferous Sandstone (SiO2 composition)) — sedimentary

Sandstone (likely Fossiliferous)

Arenite / Fossiliferous Sandstone (SiO2 composition)

Chert (Chert (Microcrystalline Quartz)) — sedimentary

Chert

Chert (Microcrystalline Quartz)

Diamond Druzy (Crystalline Diamond) (Carbon (C)) — mineral

Diamond Druzy (Crystalline Diamond)

Carbon (C)

Diamond (Diamond (pure native carbon, C)) — mineral

Diamond

Diamond (pure native carbon, C)

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

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Tumbled milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Tumbled milky quartz

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)

Sandstone (specifically Arkose or Quartz Arenite) (Arenite (primarily SiO2 with possible Feldspar)) — sedimentary

Sandstone (specifically Arkose or Quartz Arenite)

Arenite (primarily SiO2 with possible Feldspar)

Amethyst (Silicon Dioxide (SiO2) with Fe3+ impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with Fe3+ impurities

Turquoise (likely stabilized or simulated Howlite) (CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)) — mineral

Turquoise (likely stabilized or simulated Howlite)

CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)

Grey Chalcedony (Silicon Dioxide (SiO2)) — mineral

Grey Chalcedony

Silicon Dioxide (SiO2)

Diamond (as featured in jewelry) (Diamond (C - pure carbon)) — mineral

Diamond (as featured in jewelry)

Diamond (C - pure carbon)

Green Glass Cullet / Recycled Glass (Amorphous Silicon Dioxide (SiO2) with various metal oxides) — Man-made Glass (Not a natural rock or mineral)

Green Glass Cullet / Recycled Glass

Amorphous Silicon Dioxide (SiO2) with various metal oxides

Man-made Glass (Not a natural rock or mineral)

Obsidian (Volcanic glass (SiO2)) — igneous

Obsidian

Volcanic glass (SiO2)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Obsidian (Volcanic Glass (Amorphous Silicon Dioxide)) — igneous

Obsidian

Volcanic Glass (Amorphous Silicon Dioxide)

Obsidian (Volcanic glass (SiO2 - Silicon Dioxide)) — igneous

Obsidian

Volcanic glass (SiO2 - Silicon Dioxide)

Sandstone (Sandstone (Quartz-rich Arenite / SiO2)) — sedimentary

Sandstone

Sandstone (Quartz-rich Arenite / SiO2)

Flint (SiO2 (Cryptocrystalline Quartz)) — sedimentary

Flint

SiO2 (Cryptocrystalline Quartz)

Tumbled amber-colored chalcedony or jasper (Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/jasper) — mineral

Tumbled amber-colored chalcedony or jasper

Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/jasper

Amber (Succinite (Carbon-based organic compound; approximate formula C10H16O)) — Mineraloid

Amber

Succinite (Carbon-based organic compound; approximate formula C10H16O)

Ruby in Matrix (Corundum (Al2O3)) — mineral

Ruby in Matrix

Corundum (Al2O3)

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

Chert (Flint / Quartz Nodule)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

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

Chert or Jasper

Microcrystalline Quartz (SiO2)

Pyrite in Matrix (Iron Sulfide (FeS2)) — mineral

Pyrite in Matrix

Iron Sulfide (FeS2)