Rock Identifier

Category

Sedimentary (Physico Chemical Precipitate)

Browse sedimentary (physico chemical precipitate) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Physico Chemical Precipitate) in the encyclopedia

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Sinter

Coal

Kambaba Jasper

Limestone

Asphalt Rock

Claystone

Mudstone

Sapropel

Chert (Flint) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (Flint)

Chert (Cryptocrystalline Quartz, SiO2)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Chert Pebble with Quartz Veins (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Pebble with Quartz Veins

Microcrystalline Quartz (SiO2)

Banded Onyx (Cave Calcite) (Calcite (CaCO3), often called Mexican Onyx or Travertine) — sedimentary

Banded Onyx (Cave Calcite)

Calcite (CaCO3), often called Mexican Onyx or Travertine

Quartz (Milky/Clear) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Clear)

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

White quartz cluster (Quartz (silicon dioxide, SiO₂), likely a drusy or microcrystalline cluster) — mineral

White quartz cluster

Quartz (silicon dioxide, SiO₂), likely a drusy or microcrystalline cluster

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Likely halite (rock salt) (Halite, NaCl) — mineral

Likely halite (rock salt)

Halite, NaCl

Sandstone (Ferruginous Concretion) (Arenite (with iron oxide cement)) — sedimentary

Sandstone (Ferruginous Concretion)

Arenite (with iron oxide cement)

Yellow calcite (honey calcite) (Calcite, calcium carbonate (CaCO₃)) — mineral

Yellow calcite (honey calcite)

Calcite, calcium carbonate (CaCO₃)

Weathered limestone (Calcite-rich limestone (primarily CaCO₃)) — sedimentary

Weathered limestone

Calcite-rich limestone (primarily CaCO₃)

Chert (with Manganese Dendrites) (Chert (Cryptocrystalline Quartz, SiO2)) — sedimentary

Chert (with Manganese Dendrites)

Chert (Cryptocrystalline Quartz, SiO2)

Chert Nodule / Flint (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Nodule / Flint

Microcrystalline Quartz (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Yellow Jasper / Chert (Silicon Dioxide (SiO2) with Goethite or Limonite inclusions) — sedimentary

Yellow Jasper / Chert

Silicon Dioxide (SiO2) with Goethite or Limonite inclusions

Limestone (Calcium carbonate (CaCO3) / Limestone) — sedimentary

Limestone

Calcium carbonate (CaCO3) / Limestone

Ironstone concretion (likely limonite/goethite-rich) (Iron-oxide-cemented sediment, commonly goethite (FeO(OH)) and/or limonite) — sedimentary

Ironstone concretion (likely limonite/goethite-rich)

Iron-oxide-cemented sediment, commonly goethite (FeO(OH)) and/or limonite

Orange Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Chert (Nodular) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Nodular)

Microcrystalline Quartz (SiO2)

Crystalline Quartz (Rough) (Quartz (Silicon Dioxide, SiO2)) — mineral

Crystalline Quartz (Rough)

Quartz (Silicon Dioxide, SiO2)

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

Aragonite Star Cluster

Aragonite (Calcium Carbonate, CaCO3)

Gold in Quartz Matrix (Native Gold (Au) with Quartz (SiO2)) — mineral

Gold in Quartz Matrix

Native Gold (Au) with Quartz (SiO2)

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

Quartz Geode (Cracked Open Fragment)

Silicon Dioxide (SiO2)

Banded Agate / Chalcedony (Cryptocrystalline Quartz (SiO2)) — mineral

Banded Agate / Chalcedony

Cryptocrystalline Quartz (SiO2)

Jasper / Chert (polished) (Microcrystalline Quartz (SiO2)) — sedimentary / mineral

Jasper / Chert (polished)

Microcrystalline Quartz (SiO2)

sedimentary / mineral

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Banded iron formation fragment (BIF: microcrystalline quartz (chert/jasper) with iron oxides and/or magnetite) — sedimentary

Banded iron formation fragment

BIF: microcrystalline quartz (chert/jasper) with iron oxides and/or magnetite

Banded chert (jasper-like chert) (Microcrystalline quartz (SiO₂), likely iron-oxide-stained chert) — sedimentary

Banded chert (jasper-like chert)

Microcrystalline quartz (SiO₂), likely iron-oxide-stained chert

Likely calcite-bearing limestone (Calcite (CaCO₃), probably in a porous limestone fragment) — sedimentary

Likely calcite-bearing limestone

Calcite (CaCO₃), probably in a porous limestone fragment

Chert Nodule (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Nodule

Microcrystalline Quartz (SiO2)

Banded Iron Formation (BIF) (Magnetite-hematite-chert formation) — sedimentary

Banded Iron Formation (BIF)

Magnetite-hematite-chert formation

Hematite (Iron Oxide (Fe2O3)) — mineral

Hematite

Iron Oxide (Fe2O3)

Yellow Chalcedony (Agate/Chert) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — sedimentary

Yellow Chalcedony (Agate/Chert)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Banded Iron Formation (BIF) / Chert (Banded Iron Formation (SiO2 with Fe2O3 / Fe3O4)) — sedimentary

Banded Iron Formation (BIF) / Chert

Banded Iron Formation (SiO2 with Fe2O3 / Fe3O4)

Pyrite-bearing sulfide specimen (Pyrite (FeS₂), possibly with chalcopyrite and quartz or carbonate gangue) — mineral

Pyrite-bearing sulfide specimen

Pyrite (FeS₂), possibly with chalcopyrite and quartz or carbonate gangue

Blue Calcite Sphere (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite Sphere

Calcium Carbonate (CaCO3)

Banded iron formation (BIF) (Banded iron formation; chiefly hematite/magnetite and microcrystalline quartz (chert)) — sedimentary

Banded iron formation (BIF)

Banded iron formation; chiefly hematite/magnetite and microcrystalline quartz (chert)

Weathered limestone pebble (Limestone, predominantly calcite (CaCO₃), possibly fossiliferous or oolitic) — sedimentary

Weathered limestone pebble

Limestone, predominantly calcite (CaCO₃), possibly fossiliferous or oolitic

Chert (with Quartz vein/coating) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (with Quartz vein/coating)

Microcrystalline Quartz (SiO2)

Banded iron formation (ironstone) (Banded iron formation; chiefly hematite/magnetite (Fe₂O₃/Fe₃O₄) with chert (SiO₂)) — sedimentary

Banded iron formation (ironstone)

Banded iron formation; chiefly hematite/magnetite (Fe₂O₃/Fe₃O₄) with chert (SiO₂)

Barite (Desert Diamond) (Barite (Barium Sulfate, BaSO4)) — mineral

Barite (Desert Diamond)

Barite (Barium Sulfate, BaSO4)