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 (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Sandstone (Quartzose)

Arenite (SiO2 based)

Limestone (Calcareous sedimentary rock (CaCO3)) — sedimentary

Limestone

Calcareous sedimentary rock (CaCO3)

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

Sandstone

Clastic sedimentary rock (Quartz arenite / Arkose)

Sandstone (Stream Pebble) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Stream Pebble)

Arenite (primarily SiO2)

Sandstone Pebble (Arenite (SiO2 primarily)) — sedimentary

Sandstone Pebble

Arenite (SiO2 primarily)

Red Sandstone (Arenite (primarily quartz with iron oxide cement)) — sedimentary

Red Sandstone

Arenite (primarily quartz with iron oxide cement)

Sandstone (with potential Arkose/Lithic characteristics) (Arenite (Sedimentary rock composed of sand-sized grains)) — sedimentary

Sandstone (with potential Arkose/Lithic characteristics)

Arenite (Sedimentary rock composed of sand-sized grains)

Limestone (River Pebble / Fossiliferous Limestone) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (River Pebble / Fossiliferous Limestone)

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Granite Pebble (Weathered) (Phaneritic Felsic Igneous Rock) — igneous

Granite Pebble (Weathered)

Phaneritic Felsic Igneous Rock

Jasper (Microcrystalline Quartz (SiO2)) — mineral

Jasper

Microcrystalline Quartz (SiO2)

Geode (Small unopened nodule) (Quartz-lined nodule (SiO2)) — sedimentary

Geode (Small unopened nodule)

Quartz-lined nodule (SiO2)

White Buffalo Turquoise (or Howlite/Magnesite) (Calcite/Dolomite or Magnesite with Chert/Quartz inclusions) — gemstone

White Buffalo Turquoise (or Howlite/Magnesite)

Calcite/Dolomite or Magnesite with Chert/Quartz inclusions

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Brecciated Jasper (SiO2 (Silicon Dioxide)) — sedimentary

Brecciated Jasper

SiO2 (Silicon Dioxide)

Coquina (Bioclastic Limestone (CaCO3)) — sedimentary

Coquina

Bioclastic Limestone (CaCO3)

Fossiliferous Limestone (Coquina / Shell Limestone) (CaCO3 (Calcium Carbonate)) — sedimentary

Fossiliferous Limestone (Coquina / Shell Limestone)

CaCO3 (Calcium Carbonate)

Coquina (Hag Stone variant) (Biocalcarenite (Coquina)) — sedimentary

Coquina (Hag Stone variant)

Biocalcarenite (Coquina)

Dalmation Stone (Peralkaline Rock (mixed silicate minerals)) — igneous

Dalmation Stone

Peralkaline Rock (mixed silicate minerals)

Dalmation Stone (often called Dalmatian Jasper) (Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite) — igneous

Dalmation Stone (often called Dalmatian Jasper)

Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite

Red Sandstone (Sedimentary Litharenite / Quartz Arenite) — sedimentary

Red Sandstone

Sedimentary Litharenite / Quartz Arenite

Limestone (Calcareous sedimentary rock (CaCO3)) — sedimentary

Limestone

Calcareous sedimentary rock (CaCO3)

Sandstone (Arenite (Siliclastic sedimentary rock)) — sedimentary

Sandstone

Arenite (Siliclastic sedimentary rock)

Gravel and Pebbles (Unconsolidated rock fragments / detrital sediment) — sedimentary

Gravel and Pebbles

Unconsolidated rock fragments / detrital sediment

Fossiliferous Limestone (Biogenic Sedimentary Rock (primarily CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Sedimentary Rock (primarily CaCO3)

Coquina Limestone (Coquina (Calcium Carbonate, CaCO3)) — sedimentary

Coquina Limestone

Coquina (Calcium Carbonate, CaCO3)

Greywacke (Stream Pebble with Quartz/Calcite Veins) (Greywacke sandstone / Metagraywacke) — sedimentary

Greywacke (Stream Pebble with Quartz/Calcite Veins)

Greywacke sandstone / Metagraywacke

Coral Fossil (Scleractinia) (Scleractinia (Order), primarily CaCO3 (Aragonite or Calcite)) — sedimentary

Coral Fossil (Scleractinia)

Scleractinia (Order), primarily CaCO3 (Aragonite or Calcite)

Fossiliferous Limestone (Biogenic Limestone with Brachiopod/Crinoid fragments) — sedimentary

Fossiliferous Limestone

Biogenic Limestone with Brachiopod/Crinoid fragments

Fossiliferous Limestone (Coquina / Shell Limestone) (Bioclastic Limestone (CaCO3)) — sedimentary

Fossiliferous Limestone (Coquina / Shell Limestone)

Bioclastic Limestone (CaCO3)

Fossiliferous Limestone with Rugose Coral (Rugosa (order), typically preserved in CaCO3 (Calcite)) — sedimentary

Fossiliferous Limestone with Rugose Coral

Rugosa (order), typically preserved in CaCO3 (Calcite)

Graywacke (Lithic Sandstone (Graywacke)) — sedimentary

Graywacke

Lithic Sandstone (Graywacke)

Sandstone (Sandstone (Quartz-rich sedimentary rock)) — sedimentary

Sandstone

Sandstone (Quartz-rich sedimentary rock)

Dalmatian Stone (Peralkaline rhyolite) — igneous

Dalmatian Stone

Peralkaline rhyolite

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Blue Apatite (Apatite (Ca5(PO4)3(F,Cl,OH))) — mineral

Blue Apatite

Apatite (Ca5(PO4)3(F,Cl,OH))

Green Aventurine (SiO2) — mineral

Green Aventurine

SiO2

Fossiliferous Limestone Pebble (Sedimentary Rock (CaCO3)) — sedimentary

Fossiliferous Limestone Pebble

Sedimentary Rock (CaCO3)

Calcite (Calcite (CaCO₃, Calcium Carbonate)) — Mineral

Calcite

Calcite (CaCO₃, Calcium Carbonate)

Schist (Metamorphic Rock (Schist)) — metamorphic

Schist

Metamorphic Rock (Schist)

Polished brecciated jasper (likely septarian or iron-rich jasper) (Microcrystalline quartz (chalcedony), SiO₂, with iron oxides and possibly calcite or other rock fragments) — sedimentary

Polished brecciated jasper (likely septarian or iron-rich jasper)

Microcrystalline quartz (chalcedony), SiO₂, with iron oxides and possibly calcite or other rock fragments