Rock Identifier

Category

Sedimentary Or Igneous Fragment

Browse sedimentary or igneous fragment specimens identified by the Rock Identifier community.

Learn about Sedimentary Or Igneous Fragment in the encyclopedia

Breccia

Fossiliferous Limestone

Fossiliferous Limestone

Oregon Opal

Orendite

Orthoclase

Orca Agate

Orange Opal

Peacock Ore

Orange Garnet

Orange Obsidian

Orange Calcite

Orange Tourmaline

Orange Tourmaline

Sandstone (Calcareous Sandstone) (Calcareous Sandstone (primarily SiO2 with CaCO3 cement)) — sedimentary

Sandstone (Calcareous Sandstone)

Calcareous Sandstone (primarily SiO2 with CaCO3 cement)

Sandstone (with Iron Staining) (Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)

Sandstone (Arenite (primarily SiO2 with various cementing agents)) — sedimentary

Sandstone

Arenite (primarily SiO2 with various cementing agents)

Sandstone (Arenite (primarily Quartz, SiO2)) — sedimentary

Sandstone

Arenite (primarily Quartz, SiO2)

Red Sandstone (Iron-rich) (Arenite (with Hematite cement)) — sedimentary

Red Sandstone (Iron-rich)

Arenite (with Hematite cement)

Sandstone (Ferruginous) (Arenite (primarily SiO2 with iron oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with iron oxide cement)

Sandstone (specifically Arkose or Siltstone variant) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (specifically Arkose or Siltstone variant)

Clastic Sedimentary Rock (primarily SiO2)

Pyrite (Iron sulfide (FeS2)) — mineral

Pyrite

Iron sulfide (FeS2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Yellow Chalcedony / Yellow Agate (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony / Yellow Agate

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (SiO2)) — mineral

Milky Quartz

Quartz (SiO2)

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

Sandstone (likely Fossiliferous Sandstone)

Clastic sedimentary rock (primarily SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Ferruginous) (Arenite with Iron-oxide inclusions (SiO2 primarily)) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron-oxide inclusions (SiO2 primarily)

Red Sandstone (Quartzose Sandstone (primarily quartz grains cemented by iron oxides)) — sedimentary

Red Sandstone

Quartzose Sandstone (primarily quartz grains cemented by iron oxides)

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

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Polished fossiliferous limestone, likely crinoidal or coral limestone (Calcite (CaCO₃), fossiliferous carbonate rock) — fossil

Polished fossiliferous limestone, likely crinoidal or coral limestone

Calcite (CaCO₃), fossiliferous carbonate rock

Conglomerate (Conglomerate rock (detrital sedimentary)) — sedimentary

Conglomerate

Conglomerate rock (detrital sedimentary)

Sandstone (Quartz Arenite / Sedimentary Rock) — sedimentary

Sandstone

Quartz Arenite / Sedimentary Rock

Eucrite Meteorite (Achondrite (Eucrite)) — meteorite

Eucrite Meteorite

Achondrite (Eucrite)

Sandstone (Clastic sedimentary rock (Quartz arenite)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Greywacke (Lithic Wacke) — sedimentary

Greywacke

Lithic Wacke

Graywacke with Quartz Vein (Lithic Sandstone (Graywacke)) — sedimentary

Graywacke with Quartz Vein

Lithic Sandstone (Graywacke)

Brecciated Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — sedimentary

Brecciated Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Coquina (Biogenic Limestone (Calcitic)) — sedimentary

Coquina

Biogenic Limestone (Calcitic)

Asphalt Concrete (Bituminous Concrete (Anthropic Rock)) — sedimentary

Asphalt Concrete

Bituminous Concrete (Anthropic Rock)

Crushed Stone / Gravel (Aggregatus saxum (variable mineral composition)) — sedimentary

Crushed Stone / Gravel

Aggregatus saxum (variable mineral composition)

Coquina (Bioclastic Limestone) — sedimentary

Coquina

Bioclastic Limestone

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Lunar Meteorite (Feldspathic Breccia) (Lunar Feldspathic Breccia) — igneous

Lunar Meteorite (Feldspathic Breccia)

Lunar Feldspathic Breccia

Fossiliferous Limestone (Carbonate sedimentary rock with trace fossils (CaCO3)) — sedimentary

Fossiliferous Limestone

Carbonate sedimentary rock with trace fossils (CaCO3)

Fossiliferous Limestone (Fossiliferous Calcilutite / Biomicrite) — sedimentary

Fossiliferous Limestone

Fossiliferous Calcilutite / Biomicrite

Fossiliferous Limestone (Bioclastic Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone

Bioclastic Limestone (CaCO3)

Honeycomb Coral Fossil (Petoskey-type Coral) (Favosites (Extinct Colonial Tabulate Coral), CaCO3) — sedimentary

Honeycomb Coral Fossil (Petoskey-type Coral)

Favosites (Extinct Colonial Tabulate Coral), CaCO3

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Siltstone (Siltstone (primarily composed of SiO2)) — sedimentary

Siltstone

Siltstone (primarily composed of SiO2)

Garnet (Spessartine / Almandine) (Fe3Al2(SiO4)3 to Mn3Al2(SiO4)3 (Nesosilicate)) — mineral

Garnet (Spessartine / Almandine)

Fe3Al2(SiO4)3 to Mn3Al2(SiO4)3 (Nesosilicate)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

River Pebbles (Stream-rounded rocks) (Fluvial Detritus (varied mineralogy)) — Mixed (predominantly sedimentary and igneous)

River Pebbles (Stream-rounded rocks)

Fluvial Detritus (varied mineralogy)

Mixed (predominantly sedimentary and igneous)