Rock Identifier

Category

Sedimentary (Fossilized)

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

Learn about Sedimentary (Fossilized) in the encyclopedia

Petrified Wood

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Kambaba Jasper

Amber

Jet

Coal

Limestone

Asphalt Rock

Claystone

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Sandstone (Quartzose Sandstone (Sedimentary Rock)) — sedimentary

Sandstone

Quartzose Sandstone (Sedimentary Rock)

Limestone with Stylolites (Calcareous sedimentary rock (CaCO3)) — sedimentary

Limestone with Stylolites

Calcareous sedimentary rock (CaCO3)

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Chert (River Siltstone/Quartzite) (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (River Siltstone/Quartzite)

Sedimentary Cryptocrystalline Quartz (SiO2)

Sandstone (Quartzose) (Arenite (Siliciclastic sedimentary rock)) — sedimentary

Sandstone (Quartzose)

Arenite (Siliciclastic sedimentary rock)

Weathered chert or flint nodule (Microcrystalline quartz (SiO₂), commonly with chalcedony and minor iron oxides) — sedimentary

Weathered chert or flint nodule

Microcrystalline quartz (SiO₂), commonly with chalcedony and minor iron oxides

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Chert (Yellow Jasper) (Silicon dioxide (SiO2) with iron oxide inclusions) — sedimentary

Chert (Yellow Jasper)

Silicon dioxide (SiO2) with iron oxide inclusions

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Quartz (Chert/Chalcedony variant) (Silicon dioxide (SiO2)) — mineral

Quartz (Chert/Chalcedony variant)

Silicon dioxide (SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) with goethite or iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with goethite or iron oxide inclusions

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — mineral

Jasper

Microcrystalline Quartz (SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Quartz Arenite / Clastic Sedimentary Rock) — sedimentary

Sandstone

Quartz Arenite / Clastic Sedimentary Rock

Sandstone (Quartzose Sandstone) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic sedimentary rock (primarily SiO2)

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

Milky quartz fragment

Quartz (silicon dioxide, SiO₂)

Tumbled banded sandstone pebble (Quartz-rich sandstone (chiefly SiO₂), likely iron-oxide-stained) — sedimentary

Tumbled banded sandstone pebble

Quartz-rich sandstone (chiefly SiO₂), likely iron-oxide-stained

Rounded gray river pebble, likely fine-grained sandstone or siltstone (Indeterminate clastic sedimentary rock; possibly quartz-rich sandstone or siltstone) — sedimentary

Rounded gray river pebble, likely fine-grained sandstone or siltstone

Indeterminate clastic sedimentary rock; possibly quartz-rich sandstone or siltstone

Milky quartz (likely quartz vein fragment) (Quartz, silicon dioxide (SiO₂)) — mineral

Milky quartz (likely quartz vein fragment)

Quartz, silicon dioxide (SiO₂)

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

Banded Chert

Chert (Silicon Dioxide, SiO2)

Sandstone (Ferruginous) (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Sandstone (Arenite (composed mainly of SiO2)) — sedimentary

Sandstone

Arenite (composed mainly of SiO2)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (with secondary weathering/concretion) (Arenite (composed primarily of Quartz, SiO2)) — sedimentary

Sandstone (with secondary weathering/concretion)

Arenite (composed primarily of Quartz, SiO2)

Sandstone (likely Quartzose Sandstone with mineral staining) (Arenite (composed mainly of SiO2)) — sedimentary

Sandstone (likely Quartzose Sandstone with mineral staining)

Arenite (composed mainly of SiO2)

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

Sandstone (Ferruginous)

Arenite (Fe-rich)

Reddish Brown Claystone or Siltstone (Argillite / Siltstone / Claystone) — sedimentary

Reddish Brown Claystone or Siltstone

Argillite / Siltstone / Claystone

Sandstone (Pebble) (Arenite (SiO2 based)) — sedimentary

Sandstone (Pebble)

Arenite (SiO2 based)

Pyrite Nodule (Iron Sulfide (FeS2)) — mineral

Pyrite Nodule

Iron Sulfide (FeS2)

Pyrite Nodule (Iron Sulfide (FeS2)) — mineral

Pyrite Nodule

Iron Sulfide (FeS2)

Hematitic Sandstone (Sandstone with Hematite inclusions (SiO2 + Fe2O3)) — sedimentary

Hematitic Sandstone

Sandstone with Hematite inclusions (SiO2 + Fe2O3)

Brown Chalcedony (Silicon Dioxide (SiO2)) — mineral

Brown Chalcedony

Silicon Dioxide (SiO2)

Sandstone (Arenite (Sandstone)) — sedimentary

Sandstone

Arenite (Sandstone)

Sandstone (likely Siltstone) (Arenite or Siltstone (high SiO2 content)) — sedimentary

Sandstone (likely Siltstone)

Arenite or Siltstone (high SiO2 content)

Green Calcite or Prasiolite (Green Quartz) (Calcium carbonate (CaCO3) or Silicon dioxide (SiO2)) — mineral

Green Calcite or Prasiolite (Green Quartz)

Calcium carbonate (CaCO3) or Silicon dioxide (SiO2)

Copper Ore (Malachite and Limonite bearing) (Cuprite, Malachite, and Limonite mixture) — mineral

Copper Ore (Malachite and Limonite bearing)

Cuprite, Malachite, and Limonite mixture

Agate (Silicon dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon dioxide (Chalcedony), SiO2

Tumbled Agate (Silicon Dioxide (Chalcedony / Quartz)) — gemstone

Tumbled Agate

Silicon Dioxide (Chalcedony / Quartz)