Rock Identifier

Category

Sedimentary (Chemically Precipitated) Or Metamorphic

Browse sedimentary (chemically precipitated) or metamorphic specimens identified by the Rock Identifier community.

Learn about Sedimentary (Chemically Precipitated) Or Metamorphic in the encyclopedia

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Metabasalt

Eulysite

Breccia

Ironstone

Anthracite

Metaquartzite

Slate

Marble

Hornfels

Metarhyolite

Quartzite Pebble (Metamorphic Rock (chiefly Silicon Dioxide, SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Rock (chiefly Silicon Dioxide, SiO2)

Quartz River Pebbles (Silicon Dioxide (SiO2)) — sedimentary

Quartz River Pebbles

Silicon Dioxide (SiO2)

Wishing Stone / Banded Quartz Vein Pebble (Sedimentary pebble with hydrothermal quartz veins (SiO2)) — sedimentary

Wishing Stone / Banded Quartz Vein Pebble

Sedimentary pebble with hydrothermal quartz veins (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Ferruginous Sandstone (Gritstone) (Clastic sedimentary rock with iron-rich cement (FeO(OH)·nH2O)) — sedimentary

Ferruginous Sandstone (Gritstone)

Clastic sedimentary rock with iron-rich cement (FeO(OH)·nH2O)

Quartzite (River Pebble) (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite (River Pebble)

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Ferruginous Quartz) (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — metamorphic

Quartzite (Ferruginous Quartz)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite River Pebble (Quartzite (SiO2)) — metamorphic

Quartzite River Pebble

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartz Geode (Druzy Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz Geode (Druzy Quartz)

Silicon Dioxide (SiO2)

Fossiliferous Limestone (Sedimentary rock containing Indeterminate Fossil remains (likely Crinoid stem or Bryozoan fragment)) — fossil

Fossiliferous Limestone

Sedimentary rock containing Indeterminate Fossil remains (likely Crinoid stem or Bryozoan fragment)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite Pebble (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (SiO2)

River Cobble (Quartzite or Chert) (Metamorphic Quarzite (SiO2)) — metamorphic

River Cobble (Quartzite or Chert)

Metamorphic Quarzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Sandstone Cobble with Liesegang Rings (Arenite with iron oxide precipitation (SiO2 matrix with Fe2O3 banding)) — sedimentary

Sandstone Cobble with Liesegang Rings

Arenite with iron oxide precipitation (SiO2 matrix with Fe2O3 banding)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartzite (Metamorphic Rock (Mainly SiO2)) — metamorphic

Quartzite

Metamorphic Rock (Mainly SiO2)

Quartzite Pebble (Metamorphic Quartz-rich Rock) — metamorphic

Quartzite Pebble

Metamorphic Quartz-rich Rock

Quartzite Pebble (Metamorphic Rock (composed mainly of SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Rock (composed mainly of SiO2)

Sulfur-bearing Limestone (Solfatara Specimen) (Sulfur-rich Bio-limestone (Calcium Carbonate with Native Sulfur, S8)) — sedimentary

Sulfur-bearing Limestone (Solfatara Specimen)

Sulfur-rich Bio-limestone (Calcium Carbonate with Native Sulfur, S8)

Ferruginous Sandstone (Arenite with Hematite/Goethite cement) — sedimentary

Ferruginous Sandstone

Arenite with Hematite/Goethite cement

Moqui Marble (Ironstone Concretion) (Goethite/Hematite Concretion (Fe2O3 / FeO(OH))) — sedimentary

Moqui Marble (Ironstone Concretion)

Goethite/Hematite Concretion (Fe2O3 / FeO(OH))

Ferruginous Sandstone (Arenite with Iron-oxide cement (composed of Quartz and Limonite/Hematite)) — sedimentary

Ferruginous Sandstone

Arenite with Iron-oxide cement (composed of Quartz and Limonite/Hematite)

Quartz (Clear/Milky) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear/Milky)

Silicon Dioxide (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite with Gneissic Banding (Quartzite (primarily SiO2) with mafic mineral inclusions) — metamorphic

Quartzite with Gneissic Banding

Quartzite (primarily SiO2) with mafic mineral inclusions

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Limonite (Ironstone) (Hydrated Iron(III) Oxide-hydroxide (FeO(OH)·nH2O)) — sedimentary

Limonite (Ironstone)

Hydrated Iron(III) Oxide-hydroxide (FeO(OH)·nH2O)

Chert / Flint (with Crinoid Stem Molds) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert / Flint (with Crinoid Stem Molds)

Microcrystalline Quartz (SiO2)

Quartz (Clear or Milky) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear or Milky)

Silicon Dioxide (SiO2)

Milky quartz-rich vein rock (Quartz, SiO₂, likely massive or microcrystalline quartz) — mineral

Milky quartz-rich vein rock

Quartz, SiO₂, likely massive or microcrystalline quartz