Rock Identifier

Category

Sedimentary (Chemical)

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

Learn about Sedimentary (Chemical) in the encyclopedia

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Coal

Kambaba Jasper

Limestone

Asphalt Rock

Claystone

Mudstone

Sapropel

Bituminous Shale

Bituminous Shale

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

Chert (with Liesegang Banding) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (with Liesegang Banding)

Microcrystalline quartz (SiO2)

Chert (Microcrystalline Silicon Dioxide (SiO2)) — sedimentary

Chert

Microcrystalline Silicon Dioxide (SiO2)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite (Polished Pebble) (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite (Polished Pebble)

Calcium Carbonate (CaCO3)

Flint / Chert (Microcrystalline quartz (SiO2)) — sedimentary

Flint / Chert

Microcrystalline quartz (SiO2)

Chert or Chalcedony (Microcrystalline Quartz (SiO2)) — sedimentary

Chert or Chalcedony

Microcrystalline Quartz (SiO2)

Quartz Pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon dioxide (SiO2)

Chert (specifically Zebra Chert/Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Zebra Chert/Flint)

Silicon Dioxide (SiO2)

Zebra Limestone (Calcareous sedimentary rock (CaCO3)) — sedimentary

Zebra Limestone

Calcareous sedimentary rock (CaCO3)

Quartzite (Metamorphic Quartz Rock (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz Rock (SiO2)

Travertine (often colloquially called Tufa) (Chemical Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Travertine (often colloquially called Tufa)

Chemical Sedimentary Calcium Carbonate (CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Weathered quartz-rich pebble (Likely quartz aggregate, SiO₂, possibly quartzite or silicified rock) — mineral

Weathered quartz-rich pebble

Likely quartz aggregate, SiO₂, possibly quartzite or silicified rock

Flint (Microcrystalline quartz (SiO2)) — sedimentary

Flint

Microcrystalline quartz (SiO2)

Fluorite, Turquoise, and Calcite set (Calcium Fluoride (CaF2), Hydrous Phosphate of Copper and Aluminum (CuAl6(PO4)4(OH)8·4H2O), Calcium Carbonate (CaCO3)) — mineral

Fluorite, Turquoise, and Calcite set

Calcium Fluoride (CaF2), Hydrous Phosphate of Copper and Aluminum (CuAl6(PO4)4(OH)8·4H2O), Calcium Carbonate (CaCO3)

Flint (SiO2 (Microcrystalline Quartz)) — sedimentary

Flint

SiO2 (Microcrystalline Quartz)

Flint (SiO2 (Microcrystalline Quartz)) — sedimentary

Flint

SiO2 (Microcrystalline Quartz)

Quartz Sand (Silicon Dioxide (SiO2)) — sedimentary

Quartz Sand

Silicon Dioxide (SiO2)

Sandstone (with weathering rind) (Arenite (primarily SiO2 with iron oxide cementing)) — sedimentary

Sandstone (with weathering rind)

Arenite (primarily SiO2 with iron oxide cementing)

Chert (Jasper/Flint variety) (Sedimentary silica (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Sedimentary silica (SiO2)

Chert (Silicon Dioxide (SiO2)) — sedimentary

Chert

Silicon Dioxide (SiO2)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

Limestone and Sandstone Assortment (Sedimentary Rock Assemblage) — sedimentary

Limestone and Sandstone Assortment

Sedimentary Rock Assemblage

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

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

Chert (Flint Nodule)

Silicon Dioxide (SiO2)

Quartz Sand Grain (Silicon Dioxide (SiO2)) — sedimentary

Quartz Sand Grain

Silicon Dioxide (SiO2)

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

Magnesite or Dolomite in Chert (Magnesite (MgCO3) or Dolomite (CaMg(CO3)2) nodule) — sedimentary

Magnesite or Dolomite in Chert

Magnesite (MgCO3) or Dolomite (CaMg(CO3)2) nodule

Possible calcite crystal fragment (Calcite (CaCO₃), tentative identification) — mineral

Possible calcite crystal fragment

Calcite (CaCO₃), tentative identification

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

Chert (Pebble)

Microcrystalline Quartz (SiO2)

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

Chert (Flint variety)

Silicon Dioxide (SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Clay (Hydrous aluminum phyllosilicate) — sedimentary

Clay

Hydrous aluminum phyllosilicate

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Chert (Jasper/Flint variety) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline quartz (SiO2)

Banded Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Banded Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions