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

White Marble (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble

Recrystallized Calcite (CaCO3)

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

Diamond (Cut Gemstone)

Carbon (C)

Rough Diamond (or Herkimer Diamond Quartz) (Diamond (C) or Quartz (SiO2)) — mineral

Rough Diamond (or Herkimer Diamond Quartz)

Diamond (C) or Quartz (SiO2)

Quartz (Iron-Stained Quartz Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-Stained Quartz Pebble)

Silicon Dioxide (SiO2)

Milky Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

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

Diamond (or Cubic Zirconia simulant)

C (Carbon) or ZrO2 (Zirconium Dioxide)

Schist (Crystalline Metamorphic Rock (Schistose)) — metamorphic

Schist

Crystalline Metamorphic Rock (Schistose)

Vesicular Basalt (Lava Rock) (Vesicular Basalt) — igneous

Vesicular Basalt (Lava Rock)

Vesicular Basalt

Ruby (Corundum (Al2O3)) — gemstone

Ruby

Corundum (Al2O3)

Hematite Nodule (Hematite (Alpha Fe2O3)) — mineral

Hematite Nodule

Hematite (Alpha Fe2O3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Yellow Quartzite Pitting Pebble (Metamorphic Quartzite (SiO2)) — metamorphic

Yellow Quartzite Pitting Pebble

Metamorphic Quartzite (SiO2)

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

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Limestone Pebble (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone Pebble

Sedimentary Calcium Carbonate (CaCO3)

Serpentine (Serpentine subgroup (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4) — metamorphic

Serpentine

Serpentine subgroup (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Quartz on Feldspar (Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)) — igneous

Quartz on Feldspar

Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)

Limestone (with possible Manganese oxide inclusions) (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone (with possible Manganese oxide inclusions)

Sedimentary Calcium Carbonate (CaCO3)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Diamond (Martapura/Borneo Diamond) (Carbon (C) - Diamond) — mineral

Diamond (Martapura/Borneo Diamond)

Carbon (C) - Diamond

Quartz with Muscovite Mica (Silicon Dioxide (SiO2) with Potassium aluminum silicate hydroxide fluoride [KAl2(AlSi3O10)(F,OH)2]) — mineral

Quartz with Muscovite Mica

Silicon Dioxide (SiO2) with Potassium aluminum silicate hydroxide fluoride [KAl2(AlSi3O10)(F,OH)2]

Chalcedony (Agate) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Agate)

Cryptocrystalline Quartz (SiO2)

Black Tourmaline (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Quartzite River Rock (Quartzite (SiO2)) — metamorphic

Quartzite River Rock

Quartzite (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Yellow Quartz (Citrine or Quartzite Pebble) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine or Quartzite Pebble)

Silicon Dioxide (SiO2)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Blue Sapphire (Corundum (Al2O3) with iron and titanium impurities) — mineral

Blue Sapphire

Corundum (Al2O3) with iron and titanium impurities

Ruby and Diamond in Gold Setting (Corundum (Al2O3) and Diamond (C)) — mineral

Ruby and Diamond in Gold Setting

Corundum (Al2O3) and Diamond (C)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Limestone with Calcite Crystals (Sedimentary Rock containing Calcium Carbonate (CaCO3)) — sedimentary

Limestone with Calcite Crystals

Sedimentary Rock containing Calcium Carbonate (CaCO3)

Yellow Quartz (Citrine Quartz or Yellow Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine Quartz or Yellow Chalcedony)

Silicon Dioxide (SiO2)

Silver (Native Element) (Ag (Argentum) - 90% Silver, 10% Copper alloy in specimen) — mineral

Silver (Native Element)

Ag (Argentum) - 90% Silver, 10% Copper alloy in specimen

Basalt with Iron Oxide staining (Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt with Iron Oxide staining

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Tourmaline (Multi-colored) (Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4) — mineral

Tourmaline (Multi-colored)

Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4

Peridot in Basalt (Olivine ((Mg, Fe)2SiO4) in Basalt) — mineral

Peridot in Basalt

Olivine ((Mg, Fe)2SiO4) in Basalt