Rock Identifier

Category

Industrial Byproduct

Browse industrial byproduct specimens identified by the Rock Identifier community.

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Adirondack Garnet

Adirondack Garnet

Almandine Garnet

Almandine Garnet

Diatomaceous Earth

Diatomaceous Earth

Tripolite

Tripolite

Banded Siltstone Pebble (Siltstone (primarily SiO2, Al2O3, Fe2O3)) — sedimentary

Banded Siltstone Pebble

Siltstone (primarily SiO2, Al2O3, Fe2O3)

sedimentary
Marble (Metamorphosed Limestone (CaCO3)) — metamorphic

Marble

Metamorphosed Limestone (CaCO3)

metamorphic
Corundum (Sapphire variant) (Aluminum Oxide (Al2O3)) — mineral

Corundum (Sapphire variant)

Aluminum Oxide (Al2O3)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Cubic Zirconia (Simulated Diamond) (Cubic Zirconia (ZrO2)) — mineral

Cubic Zirconia (Simulated Diamond)

Cubic Zirconia (ZrO2)

mineral
Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

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

Black Tourmaline

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

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

Quartzite (River Cobble)

Quartzite (dominant mineral: Quatrz, SiO2)

metamorphic
Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

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

Smoky Quartz

Silicon Dioxide (SiO2)

mineral
Yellow Diamond (Faceted) (Diamond (C - Pure Carbon)) — mineral

Yellow Diamond (Faceted)

Diamond (C - Pure Carbon)

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

Milky Quartz (Water-worn Pebble)

Quartz (Silicon Dioxide) - SiO2

mineral
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
Chalcopyrite (Peacock Ore) (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite (Peacock Ore)

Chalcopyrite (CuFeS2)

mineral
Sodalite (Sodalite (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodalite (Na8Al6Si6O24Cl2)

mineral
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
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
Sandstone (Quartz-rich) (Clastic sedimentary rock (SiO2 primary)) — sedimentary

Sandstone (Quartz-rich)

Clastic sedimentary rock (SiO2 primary)

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

Chert (Nodule)

Microcrystalline Quartz (SiO2)

sedimentary
Sodalite (Sodalite - Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

mineral
Yellow Jasper (Silicon Dioxide (SiO2) - variety of Chalcedony) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) - variety of Chalcedony

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

Vanadinite

Vanadinite (Pb5(VO4)3Cl)

mineral
Diamond (or Diamond Simulant) (Carbon (C) - Native Element) — mineral

Diamond (or Diamond Simulant)

Carbon (C) - Native Element

mineral
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)
Red Sandstone (Arenite (Fe2O3 rich)) — sedimentary

Red Sandstone

Arenite (Fe2O3 rich)

sedimentary
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
Prehnite (Prehnite (Ca2Al2Si3O10(OH)2)) — mineral

Prehnite

Prehnite (Ca2Al2Si3O10(OH)2)

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

Garnet Schist

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

metamorphic
Green Tourmaline (Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)) — mineral

Green Tourmaline

Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)

mineral
Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

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

Orange Quartzite (River Pebble)

Quartzite (SiO2 with iron oxide inclusions)

metamorphic
White Topaz (Topaz [Al2SiO4(F,OH)2]) — mineral

White Topaz

Topaz [Al2SiO4(F,OH)2]

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

Chalcedony (Agate/Carnelian)

Silicon Dioxide (SiO2)

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

Quartz Geode

Silicon Dioxide (SiO2)

Mineral/Sedimentary
Anthracite Coal (Anthracite) — metamorphic

Anthracite Coal

Anthracite

metamorphic
Orange Quartzite (River Pebble) (Quartzite (primarily SiO2)) — metamorphic

Orange Quartzite (River Pebble)

Quartzite (primarily SiO2)

metamorphic
Green Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride - CaF2)

mineral
Schist (Mica Schist) — metamorphic

Schist

Mica Schist

metamorphic