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

Sandstone (Quartzose Sandstone) (Clastic Sedimentary Rock (Lithic arenite / Quartz arenite)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (Lithic arenite / Quartz arenite)

sedimentary
Coal (Bituminous or Anthracite) (Organogenic Sedimentary Rock (Carbon)) — sedimentary

Coal (Bituminous or Anthracite)

Organogenic Sedimentary Rock (Carbon)

sedimentary
Vesicular Basalt (Extrusive mafic igneous rock (Basalt)) — igneous

Vesicular Basalt

Extrusive mafic igneous rock (Basalt)

igneous
Concrete (Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)) — sedimentary (artificial)

Concrete

Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)

sedimentary (artificial)
Pumice (Pumicite / Vesicular Rhyolite) — igneous

Pumice

Pumicite / Vesicular Rhyolite

igneous
Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

igneous
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Chalk (Calcium Carbonate (CaCO3)) — sedimentary

Chalk

Calcium Carbonate (CaCO3)

sedimentary
Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

igneous
Chert (Gravel Fragment) (Silicon dioxide (SiO2)) — sedimentary

Chert (Gravel Fragment)

Silicon dioxide (SiO2)

sedimentary
Sandstone Cobble (Arenite (predominantly Quartz Sandstone)) — sedimentary

Sandstone Cobble

Arenite (predominantly Quartz Sandstone)

sedimentary
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Graywacke (Lithic Sandstone (Graywacke)) — sedimentary

Graywacke

Lithic Sandstone (Graywacke)

sedimentary
Glauconite Sandstone (Glauconitic Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)) — sedimentary

Glauconite Sandstone

Glauconitic Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)

sedimentary
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Quartzite (Quartzite (composed primarily of SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of SiO2)

metamorphic
Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

metamorphic
Andesite (Andesite) — igneous

Andesite

Andesite

igneous
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

metamorphic
Basalt (Weathered) (Extrusive Igneous Rock (Mafic composition)) — igneous

Basalt (Weathered)

Extrusive Igneous Rock (Mafic composition)

igneous
Anthracite Coal (Anthracite (Carbon C)) — metamorphic

Anthracite Coal

Anthracite (Carbon C)

metamorphic
Crushed Stone / Gravel (Aggregatus saxum (variable mineral composition)) — sedimentary

Crushed Stone / Gravel

Aggregatus saxum (variable mineral composition)

sedimentary
Asphalt (Bituminous Concrete) (Bituminous Concrete / Pavement) — man-made (synthetic rock)

Asphalt (Bituminous Concrete)

Bituminous Concrete / Pavement

man-made (synthetic rock)
Rough Diamond (Pure Carbon (C)) — mineral

Rough Diamond

Pure Carbon (C)

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

Black Sapphire

Corundum (Al2O3 with iron and titanium impurities)

mineral
White Marble (Industrial/Architectural) (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble (Industrial/Architectural)

Recrystallized Calcite (CaCO3)

metamorphic
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Grey Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Grey Quartzite Pebble

Quartzite (primarily SiO2)

metamorphic
Opalite (Man-made Glass (SiO2 + additives)) — mineraloid (synthetic)

Opalite

Man-made Glass (SiO2 + additives)

mineraloid (synthetic)
Asphalt Concrete (Bituminous Concrete) (Bituminous aggregate) — sedimentary

Asphalt Concrete (Bituminous Concrete)

Bituminous aggregate

sedimentary
Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

mineral
Rough Diamond (Diamond (pure Carbon, C)) — mineral

Rough Diamond

Diamond (pure Carbon, C)

mineral
Dyed Quartz Geode (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

mineral
Chakra Tumbled Stone Set (Various (including Amethyst [SiO2], Sodalite [Na8(Al6Si6O24)Cl2], Green Aventurine [SiO2], Red Jasper [SiO2], etc.)) — Mineral

Chakra Tumbled Stone Set

Various (including Amethyst [SiO2], Sodalite [Na8(Al6Si6O24)Cl2], Green Aventurine [SiO2], Red Jasper [SiO2], etc.)

Mineral
Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite

Fluorite (Calcium Fluoride, CaF2)

mineral
Diamond (set in Gold) (Diamond (pure carbon, C)) — mineral

Diamond (set in Gold)

Diamond (pure carbon, C)

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

Chert (specifically Flint or Jasper variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

sedimentary
Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

mineral
Granitic Pegmatite (with Smoky Quartz and Mica) (Granitic Pegmatite (composed of SiO2, KAl2(AlSi3O10)(OH)2, and (K,Na)(AlSi3O8))) — igneous

Granitic Pegmatite (with Smoky Quartz and Mica)

Granitic Pegmatite (composed of SiO2, KAl2(AlSi3O10)(OH)2, and (K,Na)(AlSi3O8))

igneous
Diamond (faceted) (Carbon (C)) — gemstone

Diamond (faceted)

Carbon (C)

gemstone
Sandstone (Arenite) — sedimentary

Sandstone

Arenite

sedimentary