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

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

Quartz Geode

Crystalline Silicon Dioxide (SiO2)

Chalcedony (Milky Agate/Quartz) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Milky Agate/Quartz)

Silicon Dioxide (SiO2)

Geode (unopened nodule) (Silicon Dioxide (SiO2) Nodule) — sedimentary

Geode (unopened nodule)

Silicon Dioxide (SiO2) Nodule

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

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Limonite (Ironstone Concretion) (Limonite (FeO(OH)·nH2O)) — mineral/sedimentary

Limonite (Ironstone Concretion)

Limonite (FeO(OH)·nH2O)

mineral/sedimentary

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

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

Banded Chalcedony (Agate)

Silicon Dioxide (SiO2)

Carnelian (Red Agate) (Chalcedony (SiO2 with Iron Oxide impurities)) — mineral

Carnelian (Red Agate)

Chalcedony (SiO2 with Iron Oxide impurities)

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

Chalcedony (Agate/Chert)

Chalcedony (Silicon Dioxide, SiO2)

Quartz (Silicon dioxide (SiO2)) — Mineral

Quartz

Silicon dioxide (SiO2)

Riverstone (Sandstone Pebble) (Arenite (SiO2 with various lithic fragments)) — sedimentary

Riverstone (Sandstone Pebble)

Arenite (SiO2 with various lithic fragments)

Vein-filled Sedimentary Rock (Silicified sedimentary rock with quartz/calcite vein) — sedimentary

Vein-filled Sedimentary Rock

Silicified sedimentary rock with quartz/calcite vein

Aragonite Star Cluster (Aragonite (Calcium Carbonate, CaCO3)) — mineral

Aragonite Star Cluster

Aragonite (Calcium Carbonate, CaCO3)

Blue Agate (likely dyed) (Silicon Dioxide (SiO2)) — mineral

Blue Agate (likely dyed)

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Barite (Barium Sulfate (BaSO4)) — mineral

Barite

Barium Sulfate (BaSO4)

Quartz (Sunstone-like Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Sunstone-like Chalcedony)

Silicon Dioxide (SiO2)

Quartz Vein in River Siltstone (Crystalline Quartz (SiO2) in Siliclastic Matrix) — sedimentary

Quartz Vein in River Siltstone

Crystalline Quartz (SiO2) in Siliclastic Matrix

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Quartz-veined Basalt or Limestone Pebble (Quartz vein in host rock (Silicate mineral in carbonate or volcanic matrix)) — sedimentary

Quartz-veined Basalt or Limestone Pebble

Quartz vein in host rock (Silicate mineral in carbonate or volcanic matrix)

Blue Aragonite (Aragonite (Calcium Carbonate, CaCO3)) — mineral

Blue Aragonite

Aragonite (Calcium Carbonate, CaCO3)

Tumbled milky quartz (likely chalcedony or quartzite) (Quartz/chalcedony, silicon dioxide (SiO₂)) — mineral

Tumbled milky quartz (likely chalcedony or quartzite)

Quartz/chalcedony, silicon dioxide (SiO₂)

Jasper Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper Pebble

Microcrystalline Quartz (SiO2)

Red Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Red Jasper

Microcrystalline Quartz (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz with Iron Oxide Inclusions (Silicon Dioxide (SiO2) with Hematite/Limonite coatings) — mineral

Quartz with Iron Oxide Inclusions

Silicon Dioxide (SiO2) with Hematite/Limonite coatings

Quartz Geode Fragment with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment with Iron Staining

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Satin Spar Selenite (Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)) — mineral

Satin Spar Selenite

Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)

White Quartz Pebble (Crystalline Silicon Dioxide (SiO2)) — mineral

White Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Iron-stained Quartz (Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)) — mineral

Iron-stained Quartz

Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)

Leopard Skin Jasper (Microcrystalline Quartz (SiO2) with mineral impurities) — sedimentary

Leopard Skin Jasper

Microcrystalline Quartz (SiO2) with mineral impurities

Sandstone (Banded) (Arenite with Iron Oxide Banding) — sedimentary

Sandstone (Banded)

Arenite with Iron Oxide Banding

Amygdaloidal Basalt (Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)) — igneous

Amygdaloidal Basalt

Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)

Jasper pebble (possibly Red Jasper or Lake Superior Agate/Jasper mix) (Silicon Dioxide (SiO2) with Hematite inclusions) — sedimentary

Jasper pebble (possibly Red Jasper or Lake Superior Agate/Jasper mix)

Silicon Dioxide (SiO2) with Hematite inclusions

Red Jasper (Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)) — sedimentary

Red Jasper

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)

Banded Agate (Lake Superior Agate) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Banded Agate (Lake Superior Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz