Rock Identifier

Category

Sedimentary Mineral

Browse sedimentary mineral specimens identified by the Rock Identifier community.

Learn about Sedimentary Mineral in the encyclopedia

Coal

Conglomerate

Glauconite

Quartzite Sandstone

Quartzite Sandstone

Breccia

Hutcheonite

Halite

Ironstone

Sperrylite

Baddeleyite

Anatase

Brookite

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Amethyst Geode (Quartz (Silicon Dioxide, SiO2) with iron impurities) — mineral

Amethyst Geode

Quartz (Silicon Dioxide, SiO2) with iron impurities

Quartz (Orange/Pink variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Orange/Pink variety)

Silicon Dioxide (SiO2)

Limonite or Ironstone Nodule (Hydrated iron oxide-hydroxide (FeO(OH)·nH2O)) — mineral

Limonite or Ironstone Nodule

Hydrated iron oxide-hydroxide (FeO(OH)·nH2O)

Limonite Nodule (FeO(OH)·nH2O (Hydrated iron oxide-hydroxide)) — mineral

Limonite Nodule

FeO(OH)·nH2O (Hydrated iron oxide-hydroxide)

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Jasper with Quartz Vein (Silicon Dioxide (SiO2)) — sedimentary

Jasper with Quartz Vein

Silicon Dioxide (SiO2)

Yellow Ochre (Limonite) (Limonite (FeO(OH)qnH2O)) — sedimentary

Yellow Ochre (Limonite)

Limonite (FeO(OH)qnH2O)

Rhodochrosite (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese Carbonate (MnCO3)

Tumbled Agate (Silicon Dioxide (SiO2)) — gemstone

Tumbled Agate

Silicon Dioxide (SiO2)

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

Milky quartz fragment

Quartz (silicon dioxide, SiO₂)

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

Milky quartz (likely quartz vein fragment)

Quartz, silicon dioxide (SiO₂)

Sandstone with Iron Staining (Arenite (SiO2 with FeO(OH) impurities)) — sedimentary

Sandstone with Iron Staining

Arenite (SiO2 with FeO(OH) impurities)

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

Sandstone (Iron-stained)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)

Limonite (Iron Ore) (Limonite; FeO(OH)·nH2O) — mineral

Limonite (Iron Ore)

Limonite; FeO(OH)·nH2O

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Shale or Mudstone River Pebble (Argillaceous sedimentary rock) — sedimentary

Shale or Mudstone River Pebble

Argillaceous sedimentary rock

Quartz Geode (SiO2 (Silicon Dioxide)) — sedimentary

Quartz Geode

SiO2 (Silicon Dioxide)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Banded Sandstone (River Pebble) (Arenite (SiO2 primarily)) — sedimentary

Banded Sandstone (River Pebble)

Arenite (SiO2 primarily)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Gossanous Sandstone (likely Terrestrial) (Arenite with Iron-Oxide inclusions) — sedimentary

Gossanous Sandstone (likely Terrestrial)

Arenite with Iron-Oxide inclusions

Layered shale or mudstone fragment (Fissile claystone/mudstone, commonly clay minerals with quartz and minor iron oxides) — sedimentary

Layered shale or mudstone fragment

Fissile claystone/mudstone, commonly clay minerals with quartz and minor iron oxides

Vesicular basalt (likely amygdaloidal basalt) (Basalt, a mafic volcanic rock composed mainly of plagioclase feldspar, clinopyroxene, and commonly olivine; vesicles are partly mineral-filled amygdules.) — igneous

Vesicular basalt (likely amygdaloidal basalt)

Basalt, a mafic volcanic rock composed mainly of plagioclase feldspar, clinopyroxene, and commonly olivine; vesicles are partly mineral-filled amygdules.

Sea Shell Fragment (Calcium Carbonate) (Aragonite / Calcite (CaCO3)) — mineral

Sea Shell Fragment (Calcium Carbonate)

Aragonite / Calcite (CaCO3)

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Howlite (Ca2B5SiO9(OH)5) — mineral

Howlite

Ca2B5SiO9(OH)5

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Ironstone Concretion (Limonite/Goethite) (Ferruginous Sandstone or Limonite (FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion (Limonite/Goethite)

Ferruginous Sandstone or Limonite (FeO(OH)·nH2O)

Quartz-veined Sandstone Pebble (Quartzite-veined Arenite) — sedimentary

Quartz-veined Sandstone Pebble

Quartzite-veined Arenite

Red Sandstone (Arenite (primarily SiO2 with Fe2O3)) — sedimentary

Red Sandstone

Arenite (primarily SiO2 with Fe2O3)

Sandstone (with Iron Staining) (Arenite) — sedimentary

Sandstone (with Iron Staining)

Arenite

Green Jasper Pebble (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Green Jasper Pebble

Microcrystalline Quartz (Chalcedony), SiO2

Fossilized Shark Tooth (Chondrichthyes (Class)) — fossil

Fossilized Shark Tooth

Chondrichthyes (Class)

Blue Quartz (Silicon Dioxide (SiO2) with inclusions) — mineral

Blue Quartz

Silicon Dioxide (SiO2) with inclusions

Fish Fossil in Limestone (Lycoptera (likely) in Micritic Limestone) — sedimentary

Fish Fossil in Limestone

Lycoptera (likely) in Micritic Limestone

Black Sand (Magnetite/Heavy Mineral Concentrate) (Magnetite-rich Placers (Fe3O4)) — sedimentary

Black Sand (Magnetite/Heavy Mineral Concentrate)

Magnetite-rich Placers (Fe3O4)

Breccia (Breccia (Sedimentary Clastic Rock)) — sedimentary

Breccia

Breccia (Sedimentary Clastic Rock)

Bivalve Fossil (Shell-bearing Sedimentary Rock) (Class Bivalvia (Phylum Mollusca) within a Calcarenite/Sandstone matrix) — fossil

Bivalve Fossil (Shell-bearing Sedimentary Rock)

Class Bivalvia (Phylum Mollusca) within a Calcarenite/Sandstone matrix

Quartz in Limonite-rich Matrix (Silicon Dioxide (SiO2) with Goethite/Limonite FeO(OH)·nH2O) — Mineral in Sedimentary/Secondary host

Quartz in Limonite-rich Matrix

Silicon Dioxide (SiO2) with Goethite/Limonite FeO(OH)·nH2O

Mineral in Sedimentary/Secondary host

Sandstone (Weathered / Crushed) (Quartz Sandstone) — sedimentary

Sandstone (Weathered / Crushed)

Quartz Sandstone

Sandstone (Ferruginous) (Sandstone (primarily SiO2 with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Sandstone (primarily SiO2 with Iron Oxide cement)