Rock Identifier

Category

Industrial Byproduct (Anthropogenic Rock)

Browse industrial byproduct (anthropogenic rock) specimens identified by the Rock Identifier community.

Learn about Industrial Byproduct (Anthropogenic Rock) in the encyclopedia

Rock Gypsum

Coral Rock

Asphalt Rock

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Adirondack Garnet

Adirondack Garnet

Anorthosite

Cataclasite

Peridotite

Phosphorite

Gondite

Tourmalinated Quartz or Schorl (Silicate mineral, specifically Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)4) or dark Tourmaline crystal cluster) — mineral

Tourmalinated Quartz or Schorl

Silicate mineral, specifically Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)4) or dark Tourmaline crystal cluster

Granite Pegmatite (Pegmatite (Quartz, Feldspar, Mica)) — igneous

Granite Pegmatite

Pegmatite (Quartz, Feldspar, Mica)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Agate (Silicon Dioxide (SiO2)) — mineral

Agate

Silicon Dioxide (SiO2)

Milky Quartz with Chlorite / Mica inclusions (Silicon Dioxide (SiO2) with phyllosilicate inclusions) — igneous

Milky Quartz with Chlorite / Mica inclusions

Silicon Dioxide (SiO2) with phyllosilicate inclusions

Diamond (in Ring Setting) (Diamond (C)) — gemstone

Diamond (in Ring Setting)

Diamond (C)

Hematite / Ironstone (Iron Oxide (Fe2O3)) — sedimentary

Hematite / Ironstone

Iron Oxide (Fe2O3)

Ruby (Faceted) (Corundum (Al2O3:Cr)) — gemstone

Ruby (Faceted)

Corundum (Al2O3:Cr)

Epidote (Epidote (Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Epidote

Epidote (Ca2(Al,Fe)3(SiO4)3(OH))

Dead Sea Salt Crust (Halite (NaCl)) — sedimentary

Dead Sea Salt Crust

Halite (NaCl)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Sandstone (Quartz-rich Cobble) (Arenite) — sedimentary

Sandstone (Quartz-rich Cobble)

Arenite

Quartz (Chert/Quartzite) (Silicon Dioxide (SiO2)) — mineral

Quartz (Chert/Quartzite)

Silicon Dioxide (SiO2)

Banded Agate (Silicon Dioxide (SiO2) - Variety of Chalcedony) — sedimentary

Banded Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

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

Chert (Flint) with Quartz Inclusions

Microcrystalline Quartz (SiO2)

Diamond (Natural Diamond (Carbon, C)) — gemstone

Diamond

Natural Diamond (Carbon, C)

Diamond (Cut Gemstone) (Carbon (C)) — gemstone

Diamond (Cut Gemstone)

Carbon (C)

Ruby (Faceted) (Corundum (Al2O3 with Cr trace elements)) — gemstone

Ruby (Faceted)

Corundum (Al2O3 with Cr trace elements)

Chert (Field Stone) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Field Stone)

Microcrystalline Quartz (SiO2)

Yellow Quartz (Citrine or Yellow Jasper) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Yellow Quartz (Citrine or Yellow Jasper)

Silicon Dioxide (SiO2) with iron impurities

Coal (Anthracite or Bituminous Coal) — sedimentary

Coal

Anthracite or Bituminous Coal

Magnetite / Ironstone (Magnetite (Fe3O4)) — mineral

Magnetite / Ironstone

Magnetite (Fe3O4)

Multi-Gemstone Quartz Bracelet (Amethyst, Aventurine, Rose Quartz, Clear Quartz) (Silicon Dioxide (SiO2) mixture) — gemstone

Multi-Gemstone Quartz Bracelet (Amethyst, Aventurine, Rose Quartz, Clear Quartz)

Silicon Dioxide (SiO2) mixture

Colorless Gemstone (possibly Diamond or Cubic Zirconia) (C (Diamond) or ZrO2 (Cubic Zirconia)) — gemstone

Colorless Gemstone (possibly Diamond or Cubic Zirconia)

C (Diamond) or ZrO2 (Cubic Zirconia)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Dyed Magnesite (Howlite imitation) (Magnesium carbonate (MgCO3) with dye) — mineral

Dyed Magnesite (Howlite imitation)

Magnesium carbonate (MgCO3) with dye

Banded Agate (Quartz) (Agate (Silicon Dioxide, SiO2)) — sedimentary

Banded Agate (Quartz)

Agate (Silicon Dioxide, SiO2)

Blue Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Blue Calcite

Calcite (Calcium Carbonate, CaCO3)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Banded Agate (Silicon Dioxide (SiO2) - Chalcedony) — sedimentary

Banded Agate

Silicon Dioxide (SiO2) - Chalcedony

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Bornite (Cu5FeS4 (Copper Iron Sulfide)) — mineral

Bornite

Cu5FeS4 (Copper Iron Sulfide)

Botryoidal Chalcedony (Agate) (Silicon Dioxide (SiO2)) — mineral

Botryoidal Chalcedony (Agate)

Silicon Dioxide (SiO2)

Fossiliferous Limestone (Coral Fossil) (Calcium Carbonate (CaCO3) with Colonial Coral inclusions) — sedimentary

Fossiliferous Limestone (Coral Fossil)

Calcium Carbonate (CaCO3) with Colonial Coral inclusions

Chert (with Manganese Dendrites) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (with Manganese Dendrites)

Chert (Cryptocrystalline Quartz, SiO2)

Rough Diamond (Diamond (pure Carbon, C)) — mineral

Rough Diamond

Diamond (pure Carbon, C)

Chert (with Limestone/Carbonate matrix) (Sedimentary cryptocrystalline silica (SiO2)) — sedimentary

Chert (with Limestone/Carbonate matrix)

Sedimentary cryptocrystalline silica (SiO2)

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

Yellow Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)