Rock Identifier

Category

Sedimentary (Chemically Precipitated Mineral)

Browse sedimentary (chemically precipitated mineral) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Chemically Precipitated Mineral) in the encyclopedia

Coal

Conglomerate

Glauconite

Quartzite Sandstone

Quartzite Sandstone

Breccia

Hutcheonite

Halite

Ironstone

Sperrylite

Baddeleyite

Anatase

Brookite

Red Jasper (Quartz) (Silicon Dioxide (SiO2) with Iron impurities) — sedimentary

Red Jasper (Quartz)

Silicon Dioxide (SiO2) with Iron impurities

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

Chert (Jasper/Opaline variety)

Silicon Dioxide (SiO2)

Limonite (after Pyrite Pseudomorph) (Limonite (Hydrated Iron Oxide Mixture, FeO(OH)·nH2O)) — mineral

Limonite (after Pyrite Pseudomorph)

Limonite (Hydrated Iron Oxide Mixture, FeO(OH)·nH2O)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Chert (Jasper/Agate mix) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Agate mix)

Microcrystalline Quartz (SiO2)

Chert (Agatized/Chalcedony variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Agatized/Chalcedony variety)

Microcrystalline Quartz (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Iron inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Iron inclusions

Red Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Red Jasper

Microcrystalline Quartz (SiO2)

Quartz Pebble (Chalcedony/Agate variety) (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (Chalcedony/Agate variety)

Silicon Dioxide (SiO2)

Oolitic Limestone (Oolite (Sedimentary Calcium Carbonate)) — sedimentary

Oolitic Limestone

Oolite (Sedimentary Calcium Carbonate)

Oolitic Limestone (Oolite (Sedimentary Calcium Carbonate)) — sedimentary

Oolitic Limestone

Oolite (Sedimentary Calcium Carbonate)

Milky Quartz (with Iron Staining) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (with Iron Staining)

Silicon Dioxide (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

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

Quartz

Quartz (SiO₂ - Silicon Dioxide)

White Quartz (Quartz (SiO2)) — Mineral

White Quartz

Quartz (SiO2)

Gray Quartz (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Gray Quartz (Tumbled)

Silicon Dioxide (SiO2)

Quartz-veined Siltstone (Siltstone with Quartz (SiO2) veins) — sedimentary

Quartz-veined Siltstone

Siltstone with Quartz (SiO2) veins

Fossiliferous Limestone (Calcium Carbonate (CaCO3) - Limestone) — sedimentary

Fossiliferous Limestone

Calcium Carbonate (CaCO3) - Limestone

Banded Iron Formation (Banded Iron Formation (BIF)) — sedimentary

Banded Iron Formation

Banded Iron Formation (BIF)

Red Jasper (Silicon Dioxide with Iron inclusions (SiO2)) — sedimentary

Red Jasper

Silicon Dioxide with Iron inclusions (SiO2)

Quartz-veined Chert (Silicon dioxide (SiO2)) — sedimentary

Quartz-veined Chert

Silicon dioxide (SiO2)

Oolitic Limestone / Fossiliferous Chert (Oolitic Limestone (CaCO3) / Silicified Limestone) — sedimentary

Oolitic Limestone / Fossiliferous Chert

Oolitic Limestone (CaCO3) / Silicified Limestone

Chert with Iron Staining (Microcrystalline quartz (SiO2) with iron oxide inclusions) — sedimentary

Chert with Iron Staining

Microcrystalline quartz (SiO2) with iron oxide inclusions

Banded Chert (or River Jasper) (Microcrystalline Quartz (SiO2) with iron oxide impurities) — sedimentary

Banded Chert (or River Jasper)

Microcrystalline Quartz (SiO2) with iron oxide impurities

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

Chert (Iron-stained)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Red Jasper (Opaque Chalcedony) (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — sedimentary

Red Jasper (Opaque Chalcedony)

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

Banded Calcite (often sold as 'Mexican Onyx' or 'Green Onyx') (Calcite (CaCO3)) — sedimentary

Banded Calcite (often sold as 'Mexican Onyx' or 'Green Onyx')

Calcite (CaCO3)

Hag Stone (Calcareous sedimentary rock (often Chert, Flint, or Limestone)) — sedimentary

Hag Stone

Calcareous sedimentary rock (often Chert, Flint, or Limestone)

Dyed Blue Agate (Slab) (Agate (Variety of Chalcedony/Microcrystalline Quartz), SiO2) — mineral

Dyed Blue Agate (Slab)

Agate (Variety of Chalcedony/Microcrystalline Quartz), SiO2

Quartz Pebble (Milky and Gray) (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz Pebble (Milky and Gray)

Quartz (Silicon Dioxide, SiO2)

Tree Agate (Dendritic Agate (Silicon Dioxide, SiO2)) — mineral

Tree Agate

Dendritic Agate (Silicon Dioxide, SiO2)

Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz

Silicon Dioxide (SiO2)

Carnelian Agate (Silicon Dioxide (SiO2) with Hematite impurities) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) with Hematite impurities

Quartz (Silicon dioxide (SiO2)) — mineral

Quartz

Silicon dioxide (SiO2)

Iron-Stained Quartzite (Quartzite (chemically SiO2 with Fe2O3/FeO(OH) staining)) — metamorphic

Iron-Stained Quartzite

Quartzite (chemically SiO2 with Fe2O3/FeO(OH) staining)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Milky Quartz Chip (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Chip

Silicon Dioxide (SiO2)

Sandstone with Liesegang Rings (Clastic sedimentary rock (Sandstone with iron oxide rhythmic precipitation)) — sedimentary

Sandstone with Liesegang Rings

Clastic sedimentary rock (Sandstone with iron oxide rhythmic precipitation)

Quartz Pebble (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Agate (Silicon Dioxide (SiO2) - Cryptocrystalline Chalcedony) — Mineral

Agate

Silicon Dioxide (SiO2) - Cryptocrystalline Chalcedony

Granite / Gneiss (Felsic Metamorphic or Igneous Rock) (Gneiss (or weathered Granite)) — metamorphic

Granite / Gneiss (Felsic Metamorphic or Igneous Rock)

Gneiss (or weathered Granite)

Green Fluorite with Galena (Calcium Fluoride (CaF2) with Lead Sulfide (PbS)) — mineral

Green Fluorite with Galena

Calcium Fluoride (CaF2) with Lead Sulfide (PbS)