Rock Identifier

Category

Sedimentary Rock (Technically Chert, A Microcrystalline Quartz)

Browse sedimentary rock (technically chert, a microcrystalline quartz) specimens identified by the Rock Identifier community.

Learn about Sedimentary Rock (Technically Chert, A Microcrystalline Quartz) in the encyclopedia

Chert

Chert

Quartz Schist

Quartz Schist

Clear Quartz

Clear Quartz

Tourmalinated Quartz

Tourmalinated Quartz

Rutilated Quartz

Rutilated Quartz

Asphalt Rock

Asphalt Rock

Rock Gypsum

Rock Gypsum

Quartz-mica Schist

Quartz-mica Schist

Porcelanite

Porcelanite

Radiolarite

Radiolarite

Flint

Flint

Breccia

Breccia

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Oolitic Chert (Silicon Dioxide (SiO2) with Oolitic texture) — sedimentary

Oolitic Chert

Silicon Dioxide (SiO2) with Oolitic texture

Chert (Basanite / Flint variation) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Basanite / Flint variation)

Chert (Silicon Dioxide, SiO2)

Sandstone (Arenite (Siliclastic sedimentary rock)) — sedimentary

Sandstone

Arenite (Siliclastic sedimentary rock)

Banded Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert (Flint)

Silicon Dioxide (SiO2)

Quartzite (Quartzite (mostly SiO2)) — metamorphic

Quartzite

Quartzite (mostly SiO2)

Puddingstone (Gowganda Tillite/Jasper Conglomerate) (Jasper Conglomerate (SiO2 primary composition)) — sedimentary

Puddingstone (Gowganda Tillite/Jasper Conglomerate)

Jasper Conglomerate (SiO2 primary composition)

Quartz (on matrix) (Quartz (Silicon Dioxide, SiO₂)) — Mineral

Quartz (on matrix)

Quartz (Silicon Dioxide, SiO₂)

Sandstone (Arenite (SiO2 based with various mineral cements)) — sedimentary

Sandstone

Arenite (SiO2 based with various mineral cements)

Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Quartzite (primarily SiO2)

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

Brecciated Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Chert (Jasper) (Silicon dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon dioxide (SiO2)

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

Chert (Nodule)

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Sandstone (clastic) (Clastic Sedimentary Rock (primarily composed of SiO2)) — sedimentary

Sandstone (clastic)

Clastic Sedimentary Rock (primarily composed of SiO2)

Sandstone (likely Arkosic) (Clastic Sedimentary Rock (Sandstone)) — sedimentary

Sandstone (likely Arkosic)

Clastic Sedimentary Rock (Sandstone)

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

Orange Quartzite (River Pebble)

Quartzite (primarily SiO2)

Green Aventurine (Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Quartz (likely) or a Quartzite Pebble (Silicon dioxide (SiO2) for quartz. If it's quartzite, it's a metamorphic rock primarily composed of quartz.) — Mineral, specifically a detrital grain

Quartz (likely) or a Quartzite Pebble

Silicon dioxide (SiO2) for quartz. If it's quartzite, it's a metamorphic rock primarily composed of quartz.

Mineral, specifically a detrital grain

Sandstone (with Iron Staining) (Clastic sedimentary rock (SiO2 with Fe2O3 impurities)) — sedimentary

Sandstone (with Iron Staining)

Clastic sedimentary rock (SiO2 with Fe2O3 impurities)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

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

Sandstone (Weathered)

Arenite (primarily SiO2)

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

Sandstone (Quartzose)

Arenite (composed primarily of SiO2)

Mother of Pearl (Nacre) (Calcium Carbonate (primarily aragonite, with conchiolin)) — Organic Gemstone/Biomineral

Mother of Pearl (Nacre)

Calcium Carbonate (primarily aragonite, with conchiolin)

Organic Gemstone/Biomineral

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Sandstone (likely Quartzose Sandstone) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (likely Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Yellow Quartzite (Iron-Stained Quartzite) (Quartzite (SiO2 with Fe2O3 trace impurities)) — metamorphic

Yellow Quartzite (Iron-Stained Quartzite)

Quartzite (SiO2 with Fe2O3 trace impurities)

Limestone (Weathered) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (Weathered)

Calcium Carbonate (CaCO3)

Chert (Jasper variation) (Chert (Cryptocrystalline microcrystalline Silicon Dioxide, SiO2)) — sedimentary

Chert (Jasper variation)

Chert (Cryptocrystalline microcrystalline Silicon Dioxide, SiO2)

Pink Granite (Phaneritic Plutonic Felsic Igneous Rock (Granite)) — igneous

Pink Granite

Phaneritic Plutonic Felsic Igneous Rock (Granite)

Sandstone (Quartzite-rich Pebble) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzite-rich Pebble)

Arenite (primarily SiO2)

Dragon Blood Jasper (SiO2) — mineral

Dragon Blood Jasper

SiO2

Dalmatian Jasper (Dalmatian Stone (Arfvedsonite/Albite Microquartz)) — igneous

Dalmatian Jasper

Dalmatian Stone (Arfvedsonite/Albite Microquartz)

Picture Jasper (SiO2) — Sedimentary/Mineral

Picture Jasper

SiO2

Sedimentary/Mineral

Sandstone with Quartz Veins (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone with Quartz Veins

Arenite (primarily SiO2 with Fe2O3 staining)

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

Chert (Flint/Jasper variety)

Silicon Dioxide (SiO2)

Sandstone (Ferruginous) (Clastic Sedimentary Rock (Litharenite)) — sedimentary

Sandstone (Ferruginous)

Clastic Sedimentary Rock (Litharenite)

Quartz (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Sandstone (with Quartz Vein/Inclusion) (Arenite (primarily SiO2)) — sedimentary

Sandstone (with Quartz Vein/Inclusion)

Arenite (primarily SiO2)

Yellow Quartzite Pebble (Quartzite (primarily Silicon Dioxide - SiO2)) — metamorphic

Yellow Quartzite Pebble

Quartzite (primarily Silicon Dioxide - SiO2)