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

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

Chert (Flint)

SiO2 (Microcrystalline Quartz)

Red Jasper (SiO2 (Microcrystalline Quartz)) — sedimentary

Red Jasper

SiO2 (Microcrystalline Quartz)

Blue calcite (probable) (Calcite — CaCO₃) — mineral

Blue calcite (probable)

Calcite — CaCO₃

Sandstone (Ferruginous) (Arenite (iron-rich)) — sedimentary

Sandstone (Ferruginous)

Arenite (iron-rich)

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Milky Quartz Vein in Host Rock (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Weathered iron-rich concretion (probable limonite/goethite) (Limonite–goethite aggregate, approximately FeO(OH)·nH₂O) — mineral

Weathered iron-rich concretion (probable limonite/goethite)

Limonite–goethite aggregate, approximately FeO(OH)·nH₂O

Sandstone (Ferruginous) (Arenite (composed primarily of SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (composed primarily of SiO2 with Fe2O3 cement)

Banded Chert / Agate (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert / Agate

Silicon Dioxide (SiO2)

Halite (Rock Salt) Crust (Sodium Chloride (NaCl)) — sedimentary

Halite (Rock Salt) Crust

Sodium Chloride (NaCl)

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

Chert (Flint)

Chert (Silicon Dioxide, SiO2)

Chert with Iron Staining (Microcrystalline Quartz (SiO2)) — sedimentary

Chert with Iron Staining

Microcrystalline Quartz (SiO2)

Celadonite in Basalt (Green Earth) (Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)) — mineral

Celadonite in Basalt (Green Earth)

Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (Flint) (Microcrystalline Quartz or Cryptocrystalline Silica (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz or Cryptocrystalline Silica (SiO2)

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

Chalcedony Agate Nodule

Silicon Dioxide (SiO2)

Dolomite on Prehnite (Saddle-shaped Dolomite) (Dolomite [CaMg(CO3)2] on Prehnite [Ca2Al(AlSi3O10)(OH)2]) — mineral

Dolomite on Prehnite (Saddle-shaped Dolomite)

Dolomite [CaMg(CO3)2] on Prehnite [Ca2Al(AlSi3O10)(OH)2]

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Ocean Jasper or Orbicular Jasper (SiO2) — mineral

Ocean Jasper or Orbicular Jasper

SiO2

Chrysocolla (Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla

Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O

Sandstone Cobble with Liesegang Rings (Arenite with iron oxide precipitation (SiO2 matrix with Fe2O3 banding)) — sedimentary

Sandstone Cobble with Liesegang Rings

Arenite with iron oxide precipitation (SiO2 matrix with Fe2O3 banding)

Fossiliferous Limestone (Sedimentary rock containing Indeterminate Fossil remains (likely Crinoid stem or Bryozoan fragment)) — fossil

Fossiliferous Limestone

Sedimentary rock containing Indeterminate Fossil remains (likely Crinoid stem or Bryozoan fragment)

Yellow Chert (River Pebble) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Yellow Chert (River Pebble)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Ferruginous Quartz on Ironstone (Silicon Dioxide (SiO2) with Hematite (Fe2O3)) — metamorphic

Ferruginous Quartz on Ironstone

Silicon Dioxide (SiO2) with Hematite (Fe2O3)

Crushed Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Crushed Limestone

Sedimentary Calcium Carbonate (CaCO3)

Limonite Concretion (Limonite (FeO(OH)·nH2O) Pseudomorph) — sedimentary

Limonite Concretion

Limonite (FeO(OH)·nH2O) Pseudomorph

Polished blue calcite (Calcite (CaCO₃), likely blue banded or massive calcite) — mineral

Polished blue calcite

Calcite (CaCO₃), likely blue banded or massive calcite

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with iron inclusions

Chalcedony (Agate Pebble) (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony (Agate Pebble)

Silicon Dioxide (SiO2)

Chert (River Pebble) (Silicon Dioxide (SiO2)) — sedimentary

Chert (River Pebble)

Silicon Dioxide (SiO2)

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

Banded Iron Formation

Banded Iron Formation (BIF)

Honey calcite (orange calcite) (Calcite, calcium carbonate (CaCO₃)) — mineral

Honey calcite (orange calcite)

Calcite, calcium carbonate (CaCO₃)

Red Jasper (River Pebble) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary/mineral

Red Jasper (River Pebble)

Silicon Dioxide (SiO2) with iron oxide inclusions

sedimentary/mineral

Green Chert (Silicon Dioxide (SiO2)) — sedimentary

Green Chert

Silicon Dioxide (SiO2)

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

Chert (Jasper/Flint variety)

Silicon dioxide (SiO2)

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

White Quartz Pebble

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)