Rock Identifier

Category

Sedimentary Rock

Browse sedimentary rock specimens identified by the Rock Identifier community.

Learn about Sedimentary Rock in the encyclopedia

Asphalt Rock

Asphalt Rock

Rock Gypsum

Rock Gypsum

Conglomerate

Conglomerate

Rock Salt

Rock Salt

Coral Rock

Coral Rock

Coal

Coal

Limestone

Limestone

Calc-Silicate Rock

Calc-Silicate Rock

Claystone

Claystone

Talc-carbonate Rock

Talc-carbonate Rock

Mudstone

Mudstone

Ironstone

Ironstone

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Ferruginous) (Arenite (composed primarily of SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (composed primarily of SiO2 with Fe2O3 cement)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Ferruginous Quartz on Ironstone (Silicon Dioxide (SiO2) with Hematite (Fe2O3)) — metamorphic

Ferruginous Quartz on Ironstone

Silicon Dioxide (SiO2) with Hematite (Fe2O3)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Granite Sand (Decomposed Granite) (Grus / Quartz-Feldspar Detritus) — sedimentary

Granite Sand (Decomposed Granite)

Grus / Quartz-Feldspar Detritus

Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Gneiss

Gneiss (High-grade metamorphic rock)

Limonite (Iron Stone) (Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O) — mineral

Limonite (Iron Stone)

Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O

Sandstone (Quartzose Sandstone) (Arenite (primarily SiO2 with minor Fe2O3)) — sedimentary

Sandstone (Quartzose Sandstone)

Arenite (primarily SiO2 with minor Fe2O3)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz Geode (Crystalline Silicon Dioxide (SiO2) in a Geode) — mineral

Quartz Geode

Crystalline Silicon Dioxide (SiO2) in a Geode

Phyllite (Phyllite (Intermediate grade metamorphic rock)) — metamorphic

Phyllite

Phyllite (Intermediate grade metamorphic rock)

Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Gneiss

Gneiss (High-grade metamorphic rock)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Amphibolite (specifically Hornblende Schist/Gneiss) (Amphibole-rich Metamorphic Rock) — metamorphic

Amphibolite (specifically Hornblende Schist/Gneiss)

Amphibole-rich Metamorphic Rock

Red Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Red Granite

Phaneritic Felsic Igneous Rock (Granite)

Greywacke (Sandstone) (Lithic wacke) — sedimentary

Greywacke (Sandstone)

Lithic wacke

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

Chert (Jasper variety)

Silicon Dioxide (SiO2)

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

Chert with Quartz Veining

Silicon Dioxide (SiO2)

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

Dalmatian Stone (Dalmatian Jasper) (Peralkaline Quartz-Feldspar Rock with Arfvedsonite) — igneous

Dalmatian Stone (Dalmatian Jasper)

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

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

Sandstone (Quartzose Sandstone Pebble)

Arenite (primarily SiO2)

Red Jasper (Jasper (SiO2) with Hematite (Fe2O3) inclusions) — sedimentary

Red Jasper

Jasper (SiO2) with Hematite (Fe2O3) inclusions

Tree Agate (Dendritic Chalcedony (SiO2)) — sedimentary

Tree Agate

Dendritic Chalcedony (SiO2)

Chert (Flint nodule) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Flint nodule)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Banded Chert (River Cobble) (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert (River Cobble)

Microcrystalline Quartz (SiO2)

Concrete rubble (Anthropogenic conglomerate) — sedimentary

Concrete rubble

Anthropogenic conglomerate

Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Gneiss

Gneiss (High-grade metamorphic rock)

Granite Gneiss (Felsic Gneiss) — metamorphic

Granite Gneiss

Felsic Gneiss

Unidentifiable Specimen (Undetermined) — Unknown

Unidentifiable Specimen

Undetermined

Banded Gneiss with Quartz Vein (Gneiss containing SiO2 (Quartz) intrusion) — metamorphic

Banded Gneiss with Quartz Vein

Gneiss containing SiO2 (Quartz) intrusion

Quartz Geode (Crystalline Silver Oxide (SiO2) in Calcareous Host) — mineral

Quartz Geode

Crystalline Silver Oxide (SiO2) in Calcareous Host

Quartz (Small Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

Garnet-bearing Schist (Almandine Garnet [Fe3Al2(SiO4)3] in Micaceous Schist) — metamorphic

Garnet-bearing Schist

Almandine Garnet [Fe3Al2(SiO4)3] in Micaceous Schist

Pink Dyed Agate (Silicon Dioxide (SiO2) with synthetic pigment) — mineral

Pink Dyed Agate

Silicon Dioxide (SiO2) with synthetic pigment

Pink Dyed Agate (Silicon Dioxide (SiO2) - Variety Agate) — mineral

Pink Dyed Agate

Silicon Dioxide (SiO2) - Variety Agate

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Green Aventurine (Aventurine Quartz (SiO2 with inclusions of Fuchsite)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Blue Chalcedony (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony (Tumbled)

Silicon Dioxide (SiO2)