Rock Identifier

Category

Sedimentary (Base), Then Artificial

Browse sedimentary (base), then artificial specimens identified by the Rock Identifier community.

Learn about Sedimentary (Base), Then Artificial in the encyclopedia

Sard

White Obsidian

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Ironstone

Breccia

Lilac Obsidian

Crimson Obsidian

Tangerine Obsidian

Pastel Obsidian

Violet Obsidian

Lavender Obsidian

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Conglomerate (Pebble Conglomerate) (Conglomerate) — sedimentary

Conglomerate (Pebble Conglomerate)

Conglomerate

Greywacke (Stream Pebble with Quartz/Calcite Veins) (Greywacke sandstone / Metagraywacke) — sedimentary

Greywacke (Stream Pebble with Quartz/Calcite Veins)

Greywacke sandstone / Metagraywacke

Sandstone Pebble (River Rock) (Arenite (primarily SiO2)) — sedimentary

Sandstone Pebble (River Rock)

Arenite (primarily SiO2)

Greywacke (Sandstone) (Lithic wacke) — sedimentary

Greywacke (Sandstone)

Lithic wacke

Fossiliferous Limestone (Bioclastic Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone

Bioclastic Limestone (CaCO3)

Chert (and/or River Pebble) (Microcrystalline silica (SiO2)) — sedimentary

Chert (and/or River Pebble)

Microcrystalline silica (SiO2)

Sandstone (likely Graywacke or Arkose variant) (Clastic Sedimentary Rock (SiO2 dominated)) — sedimentary

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (SiO2 dominated)

Banded Quartzite (Quartzite (primarily SiO2)) — metamorphic

Banded Quartzite

Quartzite (primarily SiO2)

Quartz (Druzy) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy)

Silicon Dioxide (SiO2)

Bloodstone (Heliotrope) (SiO2 (Cryptocrystalline Quartz / Chalcedony)) — mineral

Bloodstone (Heliotrope)

SiO2 (Cryptocrystalline Quartz / Chalcedony)

Howlite (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Dragon Blood Jasper (Epidote with Red Jasper (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))) — sedimentary

Dragon Blood Jasper

Epidote with Red Jasper (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

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

Bloodstone

Heliotrope (cryptocrystalline Quartz, SiO2 with inclusions of Hematite)

Kambaba Jasper (Stromatolite (Fossilized Algae)) — sedimentary

Kambaba Jasper

Stromatolite (Fossilized Algae)

Granitic Sand (Detrital sediment (predominantly Quartz, Feldspar, and Mica)) — sedimentary

Granitic Sand

Detrital sediment (predominantly Quartz, Feldspar, and Mica)

Calcite with Quartz coating (Calcium Carbonate (CaCO3) with Silicon Dioxide (SiO2)) — mineral

Calcite with Quartz coating

Calcium Carbonate (CaCO3) with Silicon Dioxide (SiO2)

Polished banded calcite (often sold as “onyx marble” or Mexican onyx) (Banded calcite, CaCO₃ (sometimes aragonite); decorative “onyx marble” is not true quartz onyx) — sedimentary

Polished banded calcite (often sold as “onyx marble” or Mexican onyx)

Banded calcite, CaCO₃ (sometimes aragonite); decorative “onyx marble” is not true quartz onyx

Chert with Quartz Veining (Microcrystalline silica (SiO2)) — sedimentary

Chert with Quartz Veining

Microcrystalline silica (SiO2)

Sandstone (Lithic Arenite) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Lithic Arenite)

Clastic Sedimentary Rock (primarily SiO2)

Sandstone Concretion (Clastic sedimentary rock (primarily Quartz SiO2 with mineral cement)) — sedimentary

Sandstone Concretion

Clastic sedimentary rock (primarily Quartz SiO2 with mineral cement)

Fossiliferous Limestone (CaCO3 (with biological inclusions)) — sedimentary

Fossiliferous Limestone

CaCO3 (with biological inclusions)

Siltstone (Siltstone (primarily SiO2 with Al2O3)) — sedimentary

Siltstone

Siltstone (primarily SiO2 with Al2O3)

Chert (Jasper) (Cryptocrystalline Silica (SiO2)) — sedimentary

Chert (Jasper)

Cryptocrystalline Silica (SiO2)

Chert (specifically Jasper/Flint pebble) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Jasper/Flint pebble)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chalcedony (Agate/Chert variety) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 based with cement)) — sedimentary

Sandstone

Arenite (SiO2 based with cement)

Pebble (Lithic fragment (Quartzite or general rock pebble)) — sedimentary

Pebble

Lithic fragment (Quartzite or general rock pebble)

Yellow Jasper / "Yellow Turquoise" (Microcrystalline Quartz (SiO2) with Hematite/Limonite inclusions) — sedimentary

Yellow Jasper / "Yellow Turquoise"

Microcrystalline Quartz (SiO2) with Hematite/Limonite inclusions

Precious Opal (Hydrated Silica (SiO2·nH2O)) — mineral

Precious Opal

Hydrated Silica (SiO2·nH2O)

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

Chert (Flint / Jasper)

Silicon Dioxide (SiO2)

Quartz Vein in Siltstone (Siltstone with Quartz (SiO2) inclusion) — sedimentary

Quartz Vein in Siltstone

Siltstone with Quartz (SiO2) inclusion

Septarian Nodule (Septarian Concretion (CaCO3 with Siderite/Limonite streaks)) — sedimentary

Septarian Nodule

Septarian Concretion (CaCO3 with Siderite/Limonite streaks)

Chert Arrowhead (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead

Microcrystalline Quartz (SiO2)

Magnetic Hematite (Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)) — Mineral

Magnetic Hematite

Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)

Fossilized Gastropod Internal Mold (Steinkern (Mollusca: Gastropoda)) — sedimentary

Fossilized Gastropod Internal Mold

Steinkern (Mollusca: Gastropoda)

Jasper / Chert nodule (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper / Chert nodule

Microcrystalline Quartz (SiO2)

Sandstone Pebble (Sandstone (Quartzose/Feldspathic Sandstone)) — sedimentary

Sandstone Pebble

Sandstone (Quartzose/Feldspathic Sandstone)

Ferruginous Sandstone (Arenite with Iron-oxide cement) — sedimentary

Ferruginous Sandstone

Arenite with Iron-oxide cement