Rock Identifier

Category

Industrial Byproduct (Anthropogenic Rock)

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

Sandstone or Limestone (Arenite or Calcareous Sedimentary Rock) — Sedimentary

Sandstone or Limestone

Arenite or Calcareous Sedimentary Rock

Sandstone with Quartz Veins (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone with Quartz Veins

Arenite (primarily SiO2 with Fe2O3 staining)

Lapis Lazuli (Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — Mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Ferruginous Quartz (SiO2 (Silicon Dioxide) with Iron Oxide inclusions (FeO(OH) / Fe2O3)) — mineral

Ferruginous Quartz

SiO2 (Silicon Dioxide) with Iron Oxide inclusions (FeO(OH) / Fe2O3)

Banded Agate (Polished Slice) (Chalcedony (cryptocrystalline Quartz), SiO2) — mineral

Banded Agate (Polished Slice)

Chalcedony (cryptocrystalline Quartz), SiO2

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Diamond (Diamond (Carbon, C)) — mineral

Diamond

Diamond (Carbon, C)

Vesicular Basalt (Basalt (with vesicular texture)) — igneous

Vesicular Basalt

Basalt (with vesicular texture)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

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

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Sandstone with Quartz Vein (Arenite with SiO2 intrusion) — sedimentary

Sandstone with Quartz Vein

Arenite with SiO2 intrusion

Gneiss (High-Grade Metamorphic Rock) (Gneiss (primarily composed of Quartz, Feldspar, and Mica/Amphiboles)) — metamorphic

Gneiss (High-Grade Metamorphic Rock)

Gneiss (primarily composed of Quartz, Feldspar, and Mica/Amphiboles)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Greywacke (Lithic Sandstone (Greywacke)) — sedimentary

Greywacke

Lithic Sandstone (Greywacke)

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

White Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Bauxite (Bauxite (Al(OH)3, AlO(OH))) — sedimentary

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Banded Iron Formation (BIF) (Magnetite-Hematite Chert (Banded Iron Formation)) — sedimentary

Banded Iron Formation (BIF)

Magnetite-Hematite Chert (Banded Iron Formation)

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2

Basalt (Basalt) — igneous

Basalt

Basalt

Granite (Granite) — Igneous

Granite

Granite

Shatter Cone (Impactite) (Shock-metamorphosed rock) — metamorphic

Shatter Cone (Impactite)

Shock-metamorphosed rock

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Thunderegg (Ate Agate/Jasper Geode) (Silicon Dioxide (SiO2) within Rhyolite/Perlite matrix) — sedimentary/igneous intermediary

Thunderegg (Ate Agate/Jasper Geode)

Silicon Dioxide (SiO2) within Rhyolite/Perlite matrix

sedimentary/igneous intermediary

Sandstone (Quartz-rich) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (primarily SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Vesicular Basalt (River Rock) (Afanitic Vesicular Basalt) — igneous

Vesicular Basalt (River Rock)

Afanitic Vesicular Basalt

Sandstone (Ferruginous) (Clastic Sedimentary Rock (SiO2 with FeO/Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Clastic Sedimentary Rock (SiO2 with FeO/Fe2O3)

Quartz in Host Rock (Silicon Dioxide (SiO2) in Rhyolite or Granite matrix) — igneous

Quartz in Host Rock

Silicon Dioxide (SiO2) in Rhyolite or Granite matrix

Sea Glass (Frosted Glass) (Amorphous Silica (SiO2) with various additives) — Man-made material (Anthropogenic 'mineraloid')

Sea Glass (Frosted Glass)

Amorphous Silica (SiO2) with various additives

Man-made material (Anthropogenic 'mineraloid')

Sea Glass (Uranium/Vaseline Glass variant) (Silicon Dioxide (SiO2) with trace Uranium Oxide (U3O8)) — man-made silicate (anthropogenic glass)

Sea Glass (Uranium/Vaseline Glass variant)

Silicon Dioxide (SiO2) with trace Uranium Oxide (U3O8)

man-made silicate (anthropogenic glass)

Olivine (Peridot) (Magnesium Iron Silicate (Mg,Fe)2SiO4) — mineral

Olivine (Peridot)

Magnesium Iron Silicate (Mg,Fe)2SiO4

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

White Marble (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble

Recrystallized Calcite (CaCO3)

Serpentinite (Serpentinite (composed primarily of minerals in the Serpentine group)) — metamorphic

Serpentinite

Serpentinite (composed primarily of minerals in the Serpentine group)

Banded Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade metamorphic rock)

Sandstone (Greywacke) (Arenite / Wacke (Mainly SiO2 with various lithic fragments)) — sedimentary

Sandstone (Greywacke)

Arenite / Wacke (Mainly SiO2 with various lithic fragments)

Basalt with Quartz/Calcite Vein (Amygdaloidal Basalt (matrix) with Mineral Vein filling) — igneous

Basalt with Quartz/Calcite Vein

Amygdaloidal Basalt (matrix) with Mineral Vein filling

White Sapphire (Corundum (Al2O3)) — mineral

White Sapphire

Corundum (Al2O3)