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

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

Sandstone (Quartzose)

Arenite (composed primarily of SiO2)

Tektite (Indochinite) (Tektite (Amorphous Silica Glass)) — igneous

Tektite (Indochinite)

Tektite (Amorphous Silica Glass)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

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

Natural or Cultured Pearl

Calcium Carbonate (Aragonite and Conchiolin), CaCO3

Mineral (Organic)

Strawberry Quartz (or Pink Aventurine) (Quartz with Hematite/Goethite inclusions (SiO2)) — mineral

Strawberry Quartz (or Pink Aventurine)

Quartz with Hematite/Goethite inclusions (SiO2)

White quartz bead bracelet (likely milky quartz) (Quartz, silicon dioxide (SiO₂), usually microcrystalline or cloudy crystalline quartz) — mineral

White quartz bead bracelet (likely milky quartz)

Quartz, silicon dioxide (SiO₂), usually microcrystalline or cloudy crystalline quartz

Sandstone (Quartz Arenite) (Sandstone (dominated by SiO2 quartz grains)) — sedimentary

Sandstone (Quartz Arenite)

Sandstone (dominated by SiO2 quartz grains)

Chert (Yellow Jasper/Flint pebble) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper/Flint pebble)

Microcrystalline Quartz (SiO2)

Banded Chert (River Stone) (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert (River Stone)

Silicon Dioxide (SiO2)

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

Chert / Flint

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert (Yellow Jasper variant) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper variant)

Microcrystalline Quartz (SiO2)

Chert (with Limestone matrix) (Silicon dioxide (SiO2)) — sedimentary

Chert (with Limestone matrix)

Silicon dioxide (SiO2)

Sandstone (Pebble) (Sandstone (SiO2 with matrix/cement)) — sedimentary

Sandstone (Pebble)

Sandstone (SiO2 with matrix/cement)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Flaked stone projectile point (Likely worked chert or fine-grained silicified shale; exact lithology cannot be confirmed from the image) — metamorphic

Flaked stone projectile point

Likely worked chert or fine-grained silicified shale; exact lithology cannot be confirmed from the image

Green glassy slag (often sold as “sea glass” or “green obsidian”) (Industrial vitreous slag; primarily amorphous silicate glass, composition variable) — mineral

Green glassy slag (often sold as “sea glass” or “green obsidian”)

Industrial vitreous slag; primarily amorphous silicate glass, composition variable

Blue gemstone cross pendant (Likely faceted blue topaz (Al₂SiO₄(F,OH)₂); identification is uncertain from the image) — gemstone

Blue gemstone cross pendant

Likely faceted blue topaz (Al₂SiO₄(F,OH)₂); identification is uncertain from the image

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3)

Chert (varieties: Flint or Jasper) (Silicon dioxide (SiO2) / Microcrystalline Quartz) — sedimentary

Chert (varieties: Flint or Jasper)

Silicon dioxide (SiO2) / Microcrystalline Quartz

Sandstone (Arenite (SiO2 based clastic rock)) — sedimentary

Sandstone

Arenite (SiO2 based clastic rock)

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

Chert (Flint Arrowhead)

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 composition dominant)) — sedimentary

Sandstone

Arenite (SiO2 composition dominant)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Eroded Brick or Pumice-like Scoria (Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)) — igneous

Eroded Brick or Pumice-like Scoria

Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)

Possible yellow agate or chalcedony bead (Microcrystalline quartz (SiO₂), likely chalcedony; identification is uncertain from the photo) — mineral

Possible yellow agate or chalcedony bead

Microcrystalline quartz (SiO₂), likely chalcedony; identification is uncertain from the photo

Iron-stained quartz-rich rock, possibly jasper or chert (Microcrystalline quartz (SiO₂) with iron oxides/hydroxides) — mineral

Iron-stained quartz-rich rock, possibly jasper or chert

Microcrystalline quartz (SiO₂) with iron oxides/hydroxides

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

Sandstone

Arenite (composed primarily of SiO2)

Tektite (Natural impact glass) — meteorite

Tektite

Natural impact glass

Mixed beach-stone and tumbled-glass collection (Predominantly uncertain rocks (likely basalt, granite, and quartz-bearing stones) with anthropogenic glass; one possible banded agate or jasper) — mineral

Mixed beach-stone and tumbled-glass collection

Predominantly uncertain rocks (likely basalt, granite, and quartz-bearing stones) with anthropogenic glass; one possible banded agate or jasper

Chert (with nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (with nodule)

Microcrystalline Quartz (SiO2)

Yellow chalcedony (likely lemon agate or yellow jasper) (Microcrystalline quartz, SiO₂; possibly iron-bearing jasper or chrysoprase-like chalcedony) — mineral

Yellow chalcedony (likely lemon agate or yellow jasper)

Microcrystalline quartz, SiO₂; possibly iron-bearing jasper or chrysoprase-like chalcedony

Amber-set ring (Amber (fossilized plant resin; organic mineraloid), set in a metal ring) — gemstone

Amber-set ring

Amber (fossilized plant resin; organic mineraloid), set in a metal ring

Diamond (C (Pure Carbon)) — gemstone

Diamond

C (Pure Carbon)

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

Chert / Flint

Silicon Dioxide (SiO2)

Diamond-set gold ring (Diamond (carbon, C) in a gold alloy setting; the clear center stone may be a diamond or a diamond simulant) — gemstone

Diamond-set gold ring

Diamond (carbon, C) in a gold alloy setting; the clear center stone may be a diamond or a diamond simulant

Pink Granite (Phaneritic Felsic Igneous Rock (composed of orthoclase, quartz, and plagioclase)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (composed of orthoclase, quartz, and plagioclase)

Sandstone (Arenite (mostly SiO2)) — sedimentary

Sandstone

Arenite (mostly SiO2)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Polished smoky quartz crystal point (Quartz (SiO₂), likely iron-colored or smoky quartz with milky inclusions) — mineral

Polished smoky quartz crystal point

Quartz (SiO₂), likely iron-colored or smoky quartz with milky inclusions

Corundum (Sapphire variant) (Aluminium oxide (Al2O3)) — mineral

Corundum (Sapphire variant)

Aluminium oxide (Al2O3)