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

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Granite Pebbles (Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8), and Mica)) — igneous

Granite Pebbles

Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8), and Mica)

Quartz (Agate/Chalcedony variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Agate/Chalcedony variety)

Silicon Dioxide (SiO2)

Shale (Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)) — sedimentary

Shale

Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)

Vesicular Basalt (or Scoria) (Mafic extrusive igneous rock with vesicles) — igneous

Vesicular Basalt (or Scoria)

Mafic extrusive igneous rock with vesicles

Milky Quartz Pebble with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble with Iron Inclusions

Silicon Dioxide (SiO2)

Granite Pebble (Granite (Plutonic Igneous Rock)) — igneous

Granite Pebble

Granite (Plutonic Igneous Rock)

Granite Pebble (Pegmatitic Quartz-Feldspar River Rock) (Granite / Quartz-Feldspar-Mica Aggregate) — igneous

Granite Pebble (Pegmatitic Quartz-Feldspar River Rock)

Granite / Quartz-Feldspar-Mica Aggregate

Sandstone with Desert Varnish (Arenite (SiO2 predominantly) with Ferromanganese coating) — sedimentary

Sandstone with Desert Varnish

Arenite (SiO2 predominantly) with Ferromanganese coating

Wollastonite (Calcium Inosilicate Mineral, CaSiO3) — mineral

Wollastonite

Calcium Inosilicate Mineral, CaSiO3

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Opalite (Man-made Glass) (Synthetic Opalised Glass) — mineral

Opalite (Man-made Glass)

Synthetic Opalised Glass

Ironstone (possibly Bog Iron or Limonite) (Goethite-rich Ironstone (FeO(OH))) — sedimentary

Ironstone (possibly Bog Iron or Limonite)

Goethite-rich Ironstone (FeO(OH))

Generic Pebble (Lithic Fragment) — sedimentary

Generic Pebble

Lithic Fragment

Serpentinite (Serpentinite (composed primarily of Serpentine group minerals (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

Granite (Granite) — igneous

Granite

Granite

Tiger’s-eye bead bracelet (Chatoyant quartz, principally quartz (SiO₂) with pseudomorphic fibrous crocidolite/goethite inclusions) — gemstone

Tiger’s-eye bead bracelet

Chatoyant quartz, principally quartz (SiO₂) with pseudomorphic fibrous crocidolite/goethite inclusions

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

Agate

Silicon Dioxide (Chalcedony), SiO2

Yellow Sapphire (Corundum (Al2O3)) — gemstone

Yellow Sapphire

Corundum (Al2O3)

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

Agate

Silicon dioxide (Chalcedony), SiO2

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Quartz (Yellow/Citrine variety or Iron-stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Yellow/Citrine variety or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Pegmatite with Tourmaline and Quartz (Igneous Pegmatite) — igneous

Pegmatite with Tourmaline and Quartz

Igneous Pegmatite

Agate (SiO2 (Silicon Dioxide)) — gemstone

Agate

SiO2 (Silicon Dioxide)

Diamond (or Clear Quartz / Cubic Zirconia) (Carbon (C) or Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)) — gemstone

Diamond (or Clear Quartz / Cubic Zirconia)

Carbon (C) or Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)

Quartz pebble with iron stains (Macrocrystalline Quartz (SiO2)) — mineral

Quartz pebble with iron stains

Macrocrystalline Quartz (SiO2)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Fuchsite or Green Mica Schist (Muscovite variant (KAl2(AlSi3O10)(OH)2 with Cr)) — metamorphic

Fuchsite or Green Mica Schist

Muscovite variant (KAl2(AlSi3O10)(OH)2 with Cr)

Diamond (Cullinan Heritage) (Carbon (C)) — mineral

Diamond (Cullinan Heritage)

Carbon (C)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Aquamarine (Beryl (Be3Al2Si6O18 with Fe impurities)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18 with Fe impurities)

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

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Garnet (Polished) (Nesosilicate (Group formula: X3Y2(SiO4)3)) — gemstone

Garnet (Polished)

Nesosilicate (Group formula: X3Y2(SiO4)3)

Cubic Zirconia (Zirconium dioxide (ZrO2)) — mineralogical simulant / gemstone

Cubic Zirconia

Zirconium dioxide (ZrO2)

mineralogical simulant / gemstone

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Black Kyanite (Aluminum Silicate (Al2SiO5)) — mineral

Black Kyanite

Aluminum Silicate (Al2SiO5)

Blue Sapphire and Diamond (Set in Metal) (Corundum (Al2O3) and Diamond (C)) — mineral

Blue Sapphire and Diamond (Set in Metal)

Corundum (Al2O3) and Diamond (C)

Smoky Quartz (Smoky Quartz (Silicon Dioxide, SiO2)) — mineral

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)