Rock Identifier

Category

Anthropogenic Material (Man Made Sedimentary Mimic)

Browse anthropogenic material (man made sedimentary mimic) specimens identified by the Rock Identifier community.

Chert (variations include Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (variations include Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Quartz Geode (Silicon Dioxide (SiO2) in Host Rock) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2) in Host Rock

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Bauxite (Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))) — sedimentary

Bauxite

Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

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

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (primarily Chalcedony or Quartz, SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily Chalcedony or Quartz, SiO2)

Sandstone (Quartzite-rich) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (Quartzite-rich)

Clastic sedimentary rock (primarily SiO2)

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

Flint / Chert

Silicon dioxide (SiO2)

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

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Chert (Iron-stained) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Asphalt (Aggregate) (Bituminous macadam / Concrete Aggregate) — sedimentary

Asphalt (Aggregate)

Bituminous macadam / Concrete Aggregate

Gold (Elemental Metal) (Gold (Au)) — Mineral

Gold (Elemental Metal)

Gold (Au)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone Clast (Arenite (primarily SiO2)) — sedimentary

Sandstone Clast

Arenite (primarily SiO2)

Chert (specifically Red Chert or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Red Chert or Jasper)

Microcrystalline Quartz (SiO2)

Green Jasper (Silicon Dioxide (SiO2)) — sedimentary

Green Jasper

Silicon Dioxide (SiO2)

Titanium Coated Aura Quartz (Apple Aura Quartz) (Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating) — Mineral (Man-modified)

Titanium Coated Aura Quartz (Apple Aura Quartz)

Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating

Mineral (Man-modified)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Quartz (Silicon Dioxide (SiO₂)) — Mineral

Quartz

Silicon Dioxide (SiO₂)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

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

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Shungite (Non-crystalline carbon (allotrope of carbon)) — metamorphic

Shungite

Non-crystalline carbon (allotrope of carbon)

Limestone (Weathered Aggregate) (Sedimentary Carbonate Rock (CaCO3)) — sedimentary

Limestone (Weathered Aggregate)

Sedimentary Carbonate Rock (CaCO3)

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

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (Lithic arenite / Quartz arenite)

Fossiliferous Limestone (Coquina) (Biogenic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone (Coquina)

Biogenic Limestone (Calcium Carbonate, CaCO3)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Chert (Microcrystalline silica (SiO2)) — sedimentary

Chert

Microcrystalline silica (SiO2)

Jasper Marble (Silicon Dioxide (SiO2) with Impurities) — sedimentary

Jasper Marble

Silicon Dioxide (SiO2) with Impurities

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

Chert (Jasper variation)

Microcrystalline Quartz (SiO2)

Chert (or Chalcedony) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (or Chalcedony)

Microcrystalline Quartz (SiO2)

Limonite (Ironstone) (Limonite (mixture of hydrated iron oxides, primarily Goethite α-FeO(OH))) — mineral

Limonite (Ironstone)

Limonite (mixture of hydrated iron oxides, primarily Goethite α-FeO(OH))

Pyrite (Fool's Gold) Cube (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold) Cube

Iron Sulfide (FeS2)

Petoskey Stone (Hexagonaria percarinata (Fossilized Rugose Coral)) — sedimentary (fossilized)

Petoskey Stone

Hexagonaria percarinata (Fossilized Rugose Coral)

sedimentary (fossilized)

Sandstone (Quartzose Sandstone) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Arenite (primarily SiO2)

Sandstone (Tumbled/River Pebble) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (Tumbled/River Pebble)

Arenite (composed primarily of SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Limestone (Calcium carbonate (CaCO3)) — sedimentary

Limestone

Calcium carbonate (CaCO3)