Rock Identifier

Category

Sedimentary (Processed Mineral Product)

Browse sedimentary (processed mineral product) specimens identified by the Rock Identifier community.

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Gneiss (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Metamorphic Rock)

Bauxite (Bauxite (Al2O3·nH2O)) — sedimentary

Bauxite

Bauxite (Al2O3·nH2O)

Chert (specifically Flint or Jasper variant) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline Quartz (SiO2)

Sandstone (Red Sandstone) (Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide)) — sedimentary

Sandstone (Red Sandstone)

Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide)

Limonitic Sandstone with Inclusion (Limonitic Quartz Sandstone (primarily SiO2 with FeO(OH)·nH2O)) — sedimentary

Limonitic Sandstone with Inclusion

Limonitic Quartz Sandstone (primarily SiO2 with FeO(OH)·nH2O)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

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

Sandstone

Arenite (primarily SiO2 with various cementing agents)

Geode with Iron-Stained Quartz/Calcite (Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) in Sedimentary Matrix) — sedimentary

Geode with Iron-Stained Quartz/Calcite

Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) in Sedimentary Matrix

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Ferruginous) (Ferruginous Sandstone (SiO2 with Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Ferruginous Sandstone (SiO2 with Fe2O3)

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

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Sandstone (Ferruginous) (Arenite with Iron Oxide cement (primarily SiO2 with Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron Oxide cement (primarily SiO2 with Fe2O3)

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

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Sandstone (Ferruginous) (Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)

Glauconite ((K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2) — mineral

Glauconite

(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Shale (Mudstone (composed primarily of clay minerals like kaolinite, illite, and smectite, with quartz and calcite)) — sedimentary

Shale

Mudstone (composed primarily of clay minerals like kaolinite, illite, and smectite, with quartz and calcite)

Red Siltstone (or Red Shale) (Clastic Sedimentary Rock (Composition: primarily Quartz, Clay minerals, and Hematite Fe2O3)) — sedimentary

Red Siltstone (or Red Shale)

Clastic Sedimentary Rock (Composition: primarily Quartz, Clay minerals, and Hematite Fe2O3)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

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

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 cementation)

Pyrite (Iron Pyrite (FeS2)) — Mineral

Pyrite

Iron Pyrite (FeS2)

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

Sandstone (Ferruginous)

Arenite (Fe-rich)

Sandstone (Arenite/Quartz Arenite) — sedimentary

Sandstone

Arenite/Quartz Arenite

Sandstone (likely Quartzose Sandstone) (Arenite (SiO2 principal composition)) — sedimentary

Sandstone (likely Quartzose Sandstone)

Arenite (SiO2 principal composition)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Ferruginous) (Arenite (with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (with Iron Oxide cement)

Granite (Granite (a common term for a felsic intrusive igneous rock)) — igneous

Granite

Granite (a common term for a felsic intrusive igneous rock)

Quartz (Common Quartz Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Common Quartz Pebble)

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Limonite (Iron Ore) (FeO(OH)·nH2O (Hydrated Iron Oxide)) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Limonite and Goethite (Limonite (hydrated iron(III) oxide-hydroxide) and Goethite (α-FeO(OH))) — mineral

Limonite and Goethite

Limonite (hydrated iron(III) oxide-hydroxide) and Goethite (α-FeO(OH))

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone Concretion (Ferruginous Sandstone Concretion) — sedimentary

Sandstone Concretion

Ferruginous Sandstone Concretion

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Marble (Recrystallized Calcite / Dolomite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite / Dolomite (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)