Rock Identifier

Category

Industrial Byproduct (Anthropogenic Material)

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

Learn about Industrial Byproduct (Anthropogenic Material) in the encyclopedia

Adirondack Garnet

Adirondack Garnet

Peat

Almandine Garnet

Almandine Garnet

Dunite

Limonite

Shell Opal

Madagascar Opal

Lavender Obsidian

Electric Blue Obsidian

Orange Obsidian

Diamond

Metarhyolite

Quartz pebble (Silicon Dioxide (SiO2)) — mineral

Quartz pebble

Silicon Dioxide (SiO2)

Pebble (likely Quartz or Chert) (SiO₂ (Silicon Dioxide) - referring to the likely main mineral composition, Quartz. If it's chert, the scientific name remains SiO₂ with a microcrystalline structure.) — Sedimentary Rock

Pebble (likely Quartz or Chert)

SiO₂ (Silicon Dioxide) - referring to the likely main mineral composition, Quartz. If it's chert, the scientific name remains SiO₂ with a microcrystalline structure.

Sedimentary Rock

Bituminous Coal (Coal (Sedimentary Rock)) — sedimentary

Bituminous Coal

Coal (Sedimentary Rock)

Wollastonite (Calcium Inosilicate, CaSiO3) — mineral

Wollastonite

Calcium Inosilicate, CaSiO3

Iron Meteorite (Oxidized) (Iron-Nickel Alloy (Fe, Ni)) — meteorite

Iron Meteorite (Oxidized)

Iron-Nickel Alloy (Fe, Ni)

Bog Iron (Limonite Concretion) (Limonite (FeO(OH)·nH2O)) — sedimentary

Bog Iron (Limonite Concretion)

Limonite (FeO(OH)·nH2O)

Oolitic Ironstone (Sedimentary Ooidal Ironstone (Limonite/Hematite mixture)) — sedimentary

Oolitic Ironstone

Sedimentary Ooidal Ironstone (Limonite/Hematite mixture)

Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate) (Mixed Silicates and Oxides (predominantly SiO2 group minerals)) — mineral

Tumbled Stone Collection (featuring Tiger's Eye, Rose Quartz, and Moss Agate)

Mixed Silicates and Oxides (predominantly SiO2 group minerals)

Talc (Soapstone variety) (Talc (Hydrated magnesium silicate) - Mg3Si4O10(OH)2) — mineral

Talc (Soapstone variety)

Talc (Hydrated magnesium silicate) - Mg3Si4O10(OH)2

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Diamond in Kimberlite (Kimberlite Matrix with Carbon (Diamond)) — igneous

Diamond in Kimberlite

Kimberlite Matrix with Carbon (Diamond)

Chert (Jasper-like) (SiO2 (Cryptocrystalline Quartz)) — Sedimentary

Chert (Jasper-like)

SiO2 (Cryptocrystalline Quartz)

Anthracite Coal (Anthracite (Carbon-rich metamorphic coal)) — metamorphic

Anthracite Coal

Anthracite (Carbon-rich metamorphic coal)

Asphalt Pavement (with aggregate) (Asphalt concrete) — man-made composite

Asphalt Pavement (with aggregate)

Asphalt concrete

man-made composite

Quartz with Tourmaline (Silicon Dioxide with Schorl (SiO2 + NaFe3Al6(Si6O18)(BO3)3(OH)4)) — mineral

Quartz with Tourmaline

Silicon Dioxide with Schorl (SiO2 + NaFe3Al6(Si6O18)(BO3)3(OH)4)

Gold Nugget (Gold (Au)) — mineral

Gold Nugget

Gold (Au)

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2

Almandine Garnet (Almandine, Fe3Al2(SiO4)3) — mineral

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Sandstone (Pebble) (Sandstone (SiO2 with iron oxide impurities)) — sedimentary

Sandstone (Pebble)

Sandstone (SiO2 with iron oxide impurities)

Gold-bearing Quartz Ore (Auriferous Quartz (SiO2 + Au)) — metamorphic

Gold-bearing Quartz Ore

Auriferous Quartz (SiO2 + Au)

Greenschist (Chlorite schist) — metamorphic

Greenschist

Chlorite schist

Quartzite River Stone (Quartzite (SiO2)) — metamorphic

Quartzite River Stone

Quartzite (SiO2)

Quartz and Iron Oxide (Quartz (Silicon Dioxide, SiO2) with possible Limonite/Hematite inclusions) — mineral

Quartz and Iron Oxide

Quartz (Silicon Dioxide, SiO2) with possible Limonite/Hematite inclusions

Diamond or Cubic Zirconia (Carbon (diamond) or Zirconium dioxide (cubic zirconia)) — gemstone

Diamond or Cubic Zirconia

Carbon (diamond) or Zirconium dioxide (cubic zirconia)

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Soapstone (Steatite) and Quartz mix (Steatite (Mg3Si4O10(OH)2) and Quartz (SiO2)) — metamorphic

Soapstone (Steatite) and Quartz mix

Steatite (Mg3Si4O10(OH)2) and Quartz (SiO2)

Quartz Pebble (Crystalline Silica (SiO2)) — sedimentary

Quartz Pebble

Crystalline Silica (SiO2)

Peridotite (Olivine/Peridot) (Peridotite (comprising (Mg,Fe)2SiO4)) — igneous

Peridotite (Olivine/Peridot)

Peridotite (comprising (Mg,Fe)2SiO4)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Amber Calcite (Calcium Carbonate (CaCO3)) — mineral

Amber Calcite

Calcium Carbonate (CaCO3)

Garnet Schist (Almandine-mica schist) — metamorphic

Garnet Schist

Almandine-mica schist

Garnet (Almandine) (Almandine Fe3Al2(SiO4)3) — mineral

Garnet (Almandine)

Almandine Fe3Al2(SiO4)3

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Copper Ore (likely Malachite or Chrysocolla staining) (Copper Secondary Mineral (e.g., Cu2CO3(OH)2)) — mineral

Copper Ore (likely Malachite or Chrysocolla staining)

Copper Secondary Mineral (e.g., Cu2CO3(OH)2)

Jasper (Jasper (Silica/Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silica/Silicon Dioxide, SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Agate (Chert/Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Agate (Chert/Chalcedony)

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Diamond (or Cubic Zirconia) (C (Carbon) or ZrO2 (Zirconium Dioxide)) — mineral

Diamond (or Cubic Zirconia)

C (Carbon) or ZrO2 (Zirconium Dioxide)

Garnet in Matrix (Schist or Quartz) (Almandine Garnet, Fe3Al2(SiO4)3) — metamorphic

Garnet in Matrix (Schist or Quartz)

Almandine Garnet, Fe3Al2(SiO4)3