Rock Identifier

Category

Antropogenic (Man Made Glass Byproduct)

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

Learn about Antropogenic (Man Made Glass Byproduct) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Zincite

Mint Obsidian

Blue Obsidian

Green Obsidian

Crimson Obsidian

Cherry Obsidian

Tangerine Obsidian

Emerald Green Obsidian

Violet Obsidian

Polished black stone sphere (likely black basalt or black tourmaline) (Most likely fine-grained basalt (plagioclase–pyroxene); mineral identification is uncertain from the image alone) — igneous

Polished black stone sphere (likely black basalt or black tourmaline)

Most likely fine-grained basalt (plagioclase–pyroxene); mineral identification is uncertain from the image alone

Carnelian cabochon pendant (Carnelian, orange-red chalcedony (microcrystalline quartz, SiO₂)) — gemstone

Carnelian cabochon pendant

Carnelian, orange-red chalcedony (microcrystalline quartz, SiO₂)

Aragonite (Aragonite (Calcium Carbonate - CaCO3)) — mineral

Aragonite

Aragonite (Calcium Carbonate - CaCO3)

Faceted colored gemstones, likely synthetic corundum or glass imitations (Not identifiable from the image; possible synthetic corundum (Al₂O₃)) — gemstone

Faceted colored gemstones, likely synthetic corundum or glass imitations

Not identifiable from the image; possible synthetic corundum (Al₂O₃)

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

Chert (Jasper/Flint)

Silicon Dioxide (SiO2)

Polished black stone pendant (Likely black obsidian or black tourmaline; exact identification is uncertain from the photograph) — mineral

Polished black stone pendant

Likely black obsidian or black tourmaline; exact identification is uncertain from the photograph

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

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

Chert (Chert / Flint)

Microcrystalline Quartz (SiO2)

Smoky Quartz (Smoky Quartz (SiO2)) — mineral

Smoky Quartz

Smoky Quartz (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

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)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Sandstone (Water-worn Cobble) (Arenite (SiO2 with CaCO3 or Fe2O3 cement)) — sedimentary

Sandstone (Water-worn Cobble)

Arenite (SiO2 with CaCO3 or Fe2O3 cement)

Chalcedony (Agate / Jasper Specimen) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate / Jasper Specimen)

Silicon Dioxide (SiO2)

Botryoidal chalcedony with iron-oxide staining (Microcrystalline quartz (SiO₂), likely iron-oxide-bearing chalcedony) — mineral

Botryoidal chalcedony with iron-oxide staining

Microcrystalline quartz (SiO₂), likely iron-oxide-bearing chalcedony

Chert (Flint nodule) (Chert (SiO2)) — sedimentary

Chert (Flint nodule)

Chert (SiO2)

Chert (Polished River Pebble) (Chert (SiO2)) — sedimentary

Chert (Polished River Pebble)

Chert (SiO2)

Sea glass (likely green bottle glass) (Human-made soda-lime silicate glass; not a natural mineral or geological rock) — mineral

Sea glass (likely green bottle glass)

Human-made soda-lime silicate glass; not a natural mineral or geological rock

Beaded gemstone jewelry (likely amethyst, lapis lazuli, and pearl or glass imitation) (Mixed mineral beads; possible quartz (SiO₂) and lazurite-bearing lapis lazuli) — gemstone

Beaded gemstone jewelry (likely amethyst, lapis lazuli, and pearl or glass imitation)

Mixed mineral beads; possible quartz (SiO₂) and lazurite-bearing lapis lazuli

Multicolored beryl gemstone bracelet (Beryl, Be₃Al₂Si₆O₁₈; likely mixed aquamarine, morganite, heliodor, and green beryl beads) — gemstone

Multicolored beryl gemstone bracelet

Beryl, Be₃Al₂Si₆O₁₈; likely mixed aquamarine, morganite, heliodor, and green beryl beads

Chert (often called Flint or River Stone) (Microcrystalline alpha-quartz (SiO2)) — sedimentary

Chert (often called Flint or River Stone)

Microcrystalline alpha-quartz (SiO2)

Turquoise-style beaded bracelet (Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; possibly dyed or composite beads) — mineral

Turquoise-style beaded bracelet

Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O; possibly dyed or composite beads

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

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)

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

Chert / Flint

Silicon Dioxide (SiO₂)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

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

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Chert / Flint (Silicon Dioxide (Microcrystalline Quartz, SiO2)) — sedimentary

Chert / Flint

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Smoky Quartz (Silicon Dioxide (SiO2) with trace aluminum and irradiation) — mineral

Smoky Quartz

Silicon Dioxide (SiO2) with trace aluminum and irradiation

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Red Quartzite (Quartzite (SiO2)) — metamorphic

Red Quartzite

Quartzite (SiO2)

White cabochon gemstone, likely milky chalcedony or opalite (Chalcedony: microcrystalline quartz, SiO₂; appearance may also indicate synthetic opalite glass) — gemstone

White cabochon gemstone, likely milky chalcedony or opalite

Chalcedony: microcrystalline quartz, SiO₂; appearance may also indicate synthetic opalite glass

Chert (often called Flint in archaeological contexts) (Silicon Dioxide (SiO2)) — sedimentary

Chert (often called Flint in archaeological contexts)

Silicon Dioxide (SiO2)

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

Chert (Flint)

SiO2 (Microcrystalline Quartz)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Sandstone (Arenite (with iron oxide cement)) — sedimentary

Sandstone

Arenite (with iron oxide cement)

Chert (Flinty variety) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flinty variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

Chert (specifically Flint or Nodular Chert) (Silicon dioxide (SiO2)) — sedimentary

Chert (specifically Flint or Nodular Chert)

Silicon dioxide (SiO2)

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

Chert (Flint)

Microcrystalline Silica (SiO2)