Rock Identifier

Category

Industrial Byproduct (Anthropogenic Rock Like Material)

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

Chert (often called Flint or Jasper based on color) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (often called Flint or Jasper based on color)

Microcrystalline Silica (SiO2)

sedimentary
Muscovite Mica (Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))) — Mineral

Muscovite Mica

Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))

Mineral
Chert (Beach Pebble) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Beach Pebble)

Microcrystalline Quartz (SiO2)

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

Greenschist

Greenschist (Chlorite-Epidote-Actinolite Schist)

metamorphic
Agate (Silicon dioxide (SiO2)) — mineral

Agate

Silicon dioxide (SiO2)

mineral
Peacock Ore (Bornite (Cu5FeS4)) — mineral

Peacock Ore

Bornite (Cu5FeS4)

mineral
Chert (Quartz Variety) (Microcrystalline Silicon Dioxide (SiO2)) — sedimentary

Chert (Quartz Variety)

Microcrystalline Silicon Dioxide (SiO2)

sedimentary
Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

mineral
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Riverstone Quartzite (Water-worn Siltstone/Quartzite) (Metamorphosed Quartz-rich Arenite (SiO2)) — metamorphic

Riverstone Quartzite (Water-worn Siltstone/Quartzite)

Metamorphosed Quartz-rich Arenite (SiO2)

metamorphic
Stichtite in Serpentine (Atlantisite) (Mg6Cr2CO3(OH)16·4H2O (Stichtite) within Mg3Si2O5(OH)4 (Serpentine)) — metamorphic

Stichtite in Serpentine (Atlantisite)

Mg6Cr2CO3(OH)16·4H2O (Stichtite) within Mg3Si2O5(OH)4 (Serpentine)

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

Chert (Jasper variation)

Microcrystalline Quartz (SiO2)

sedimentary
Fossilized Dinosaur Skull (Tyrannosaurus rex) (Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica) — sedimentary

Fossilized Dinosaur Skull (Tyrannosaurus rex)

Tyrannosaurus rex (permineralized fossil), rich in Hydroxylapatite/Silica

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

Diamond

Diamond (pure Carbon, C)

mineral
Coquina (Biogenic Limestone (Calcite/Aragonite base, CaCO3)) — sedimentary

Coquina

Biogenic Limestone (Calcite/Aragonite base, CaCO3)

sedimentary
Ferruginous Sandstone (Arenite with Iron-Oxide Cement (SiO2 with Fe2O3/FeO(OH))) — sedimentary

Ferruginous Sandstone

Arenite with Iron-Oxide Cement (SiO2 with Fe2O3/FeO(OH))

sedimentary
Granodiorite (Granodiorite) — igneous

Granodiorite

Granodiorite

igneous
Banded Chalcedony (Agate) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Banded Chalcedony (Agate)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

mineral
Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral
Quartzite (Quartzite (predominantly SiO2)) — metamorphic

Quartzite

Quartzite (predominantly SiO2)

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

mineral
Biotite (Mica) (Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)) — mineral

Biotite (Mica)

Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)

mineral
Bloodstone (Heliotrope (cryptocrystalline Quartz, SiO2 with inclusions of Hematite)) — sedimentary

Bloodstone

Heliotrope (cryptocrystalline Quartz, SiO2 with inclusions of Hematite)

sedimentary
Quartzite Cobble (Quartzite (predominantly SiO2)) — metamorphic

Quartzite Cobble

Quartzite (predominantly SiO2)

metamorphic
Chert (often called Flint when dark) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint when dark)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

sedimentary
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Granite (Phaneritic plutonic rock (primarily Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic plutonic rock (primarily Quartz, Feldspar, and Mica)

igneous
Druzy Quartz on Chert/Chalcedony (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz on Chert/Chalcedony

Silicon Dioxide (SiO2)

mineral
Chert (Chert (SiO2)) — sedimentary

Chert

Chert (SiO2)

sedimentary
Chert (Quartz) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Quartz)

Silicon Dioxide (SiO2)

sedimentary
Basalt Pebble (Basalt (Mafic volcanic rock)) — igneous

Basalt Pebble

Basalt (Mafic volcanic rock)

igneous
Banded Agate (Lace Agate) (Agate (Variety of Cryptocrystalline Quartz), SiO2) — mineral

Banded Agate (Lace Agate)

Agate (Variety of Cryptocrystalline Quartz), SiO2

mineral
Obsidian (Volcanic Glass (70-75% SiO2 with MgO and Fe3O4)) — igneous

Obsidian

Volcanic Glass (70-75% SiO2 with MgO and Fe3O4)

igneous
Black Diamond / Black Sapphire (Carbon (C) or Corundum (Al2O3)) — mineral

Black Diamond / Black Sapphire

Carbon (C) or Corundum (Al2O3)

mineral
Quartz Drusy on Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz Drusy on Matrix

Silicon Dioxide (SiO2)

mineral
Conglomerate (Clastic Sedimentary (Conglomerate)) — sedimentary

Conglomerate

Clastic Sedimentary (Conglomerate)

sedimentary
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

mineral
Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

igneous
Chert (Jasper/Limonitic Chert) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Limonitic Chert)

Microcrystalline Quartz (SiO2)

sedimentary
Chert (containing Fossil Inclusions) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (containing Fossil Inclusions)

Microcrystalline Quartz (SiO2)

sedimentary
Quartzite (Quartzite (SiO2 silicon dioxide)) — metamorphic

Quartzite

Quartzite (SiO2 silicon dioxide)

metamorphic