Rock Identifier

Category

Industrial Byproduct (Anthropogenic Material)

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

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

sedimentary
Chert (Jasper variety) (Chert (SiO2)) — sedimentary

Chert (Jasper variety)

Chert (SiO2)

sedimentary
Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

sedimentary
Chert (Jasper/Flint variety) (Silicon dioxide (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Silicon dioxide (SiO2)

sedimentary
Chert (varieties: Flint or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (varieties: Flint or Jasper)

Microcrystalline Quartz (SiO2)

sedimentary
Chert / Flint (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Flint

Cryptocrystalline Quartz (SiO2)

sedimentary
Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

mineral
Man-made Ceramic / Clay Figurine (Aluminosilicate Ceramic (Processed Clay)) — Synthetic (not a rock or mineral)

Man-made Ceramic / Clay Figurine

Aluminosilicate Ceramic (Processed Clay)

Synthetic (not a rock or mineral)
Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

sedimentary
Petrified Wood (Silicified wood (Quartz, Chalcedony, or Opal)) — sedimentary

Petrified Wood

Silicified wood (Quartz, Chalcedony, or Opal)

sedimentary
Banded Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert (Flint)

Microcrystalline Quartz (SiO2)

sedimentary
Pegmatite containing Muscovite and Quartz (Granitic Pegmatite (SiO2 with KAl2(AlSi3O10)(OH)2)) — igneous

Pegmatite containing Muscovite and Quartz

Granitic Pegmatite (SiO2 with KAl2(AlSi3O10)(OH)2)

igneous
Greenschist (Greenschist (Chlorite-Epidote-Actinolite Schist)) — metamorphic

Greenschist

Greenschist (Chlorite-Epidote-Actinolite Schist)

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

Chert (Jasper variety)

Microcrystalline Quartz (SiO2)

sedimentary
Yellow Sapphire (Corundum (Al2O3) with iron impurities) — mineral

Yellow Sapphire

Corundum (Al2O3) with iron impurities

mineral
Amethyst (SiO2 (Silicon Dioxide with iron impurities)) — mineral

Amethyst

SiO2 (Silicon Dioxide with iron impurities)

mineral
Cubic Zirconia (Zirconium Dioxide (ZrO2)) — mineral

Cubic Zirconia

Zirconium Dioxide (ZrO2)

mineral
Quartzite (Metamorphic rock primarily composed of Quartz (SiO2)) — metamorphic

Quartzite

Metamorphic rock primarily composed of Quartz (SiO2)

metamorphic
Pegmatite (Granitic Pegmatite) — igneous

Pegmatite

Granitic Pegmatite

igneous
Rough Garnet (likely Almandine or Pyrope) (Garnet group; Almandine Fe3Al2(SiO4)3 or Pyrope Mg3Al2(SiO4)3) — mineral

Rough Garnet (likely Almandine or Pyrope)

Garnet group; Almandine Fe3Al2(SiO4)3 or Pyrope Mg3Al2(SiO4)3

mineral
Quartzite (River Cobble) (Quartzite (dominant mineral: Quatrz, SiO2)) — metamorphic

Quartzite (River Cobble)

Quartzite (dominant mineral: Quatrz, SiO2)

metamorphic
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Pegmatite with Smoky Quartz and Feldspar (Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8)) — igneous

Pegmatite with Smoky Quartz and Feldspar

Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8)

igneous
Milky Quartz (Water-worn Pebble) (Quartz (Silicon Dioxide) - SiO2) — mineral

Milky Quartz (Water-worn Pebble)

Quartz (Silicon Dioxide) - SiO2

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

Smoky Quartz

Silicon Dioxide (SiO2)

mineral
Green glass sphere/marble (Soda-lime glass (primarily SiO2, Na2O, CaO)) — Man-made object (Simulant)

Green glass sphere/marble

Soda-lime glass (primarily SiO2, Na2O, CaO)

Man-made object (Simulant)
Yellow Diamond (Faceted) (Diamond (C - Pure Carbon)) — mineral

Yellow Diamond (Faceted)

Diamond (C - Pure Carbon)

mineral
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Orange Quartzite (River Pebble) (Quartzite (SiO2 with iron oxide inclusions)) — metamorphic

Orange Quartzite (River Pebble)

Quartzite (SiO2 with iron oxide inclusions)

metamorphic
Vanadinite (Vanadinite (Pb5(VO4)3Cl)) — mineral

Vanadinite

Vanadinite (Pb5(VO4)3Cl)

mineral
Chert (Jasper/Flint variant) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

sedimentary
Yellow Quartz (Citrine Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

mineral
Garnet Schist (Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)) — metamorphic

Garnet Schist

Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)

metamorphic
Synthetic Blue Aura Quartz (Silicon Dioxide (SiO2) with Metallic Infusion) — mineral (synthetic/man-made coating)

Synthetic Blue Aura Quartz

Silicon Dioxide (SiO2) with Metallic Infusion

mineral (synthetic/man-made coating)
White Topaz (Topaz [Al2SiO4(F,OH)2]) — mineral

White Topaz

Topaz [Al2SiO4(F,OH)2]

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

Serpentinite

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

metamorphic
Yellow Quartz (Citrine Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

mineral
Quartz Geode (Silicon Dioxide (SiO2)) — Mineral/Sedimentary

Quartz Geode

Silicon Dioxide (SiO2)

Mineral/Sedimentary
Green Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride - CaF2)

mineral
Rough Sapphire (Corundum) (Corundum (Al2O3)) — mineral

Rough Sapphire (Corundum)

Corundum (Al2O3)

mineral
Agate (Silicon dioxide (SiO2) - variety Chalcedony) — mineral

Agate

Silicon dioxide (SiO2) - variety Chalcedony

mineral