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

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Optical Calcite (Iceland Spar) (Calcite (Calcium Carbonate, CaCO3)) — mineral

Optical Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

Optical Calcite (Calcium Carbonate (CaCO3)) — mineral

Optical Calcite

Calcium Carbonate (CaCO3)

Ferruginous Sandstone (Ironstone Nodules) (Ferruginous Sandstone with Limonite/Goethite coating (Fe2O3·H2O)) — sedimentary

Ferruginous Sandstone (Ironstone Nodules)

Ferruginous Sandstone with Limonite/Goethite coating (Fe2O3·H2O)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Quartzite fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Quartzite fragment)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Tumbled orange calcite (Calcite (calcium carbonate, CaCO₃)) — mineral

Tumbled orange calcite

Calcite (calcium carbonate, CaCO₃)

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

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Massive White Quartz (Silicon Dioxide (SiO2)) — mineral

Massive White Quartz

Silicon Dioxide (SiO2)

Jasper (Iron-stained Chert) (Silicon Dioxide (SiO2) with Iron Oxides) — sedimentary

Jasper (Iron-stained Chert)

Silicon Dioxide (SiO2) with Iron Oxides

Chert (Jasper / Petrified Wood) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper / Petrified Wood)

Microcrystalline Quartz (SiO2)

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

Jasper with Quartz Druzy

Silicon Dioxide (SiO2)

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2

Quartz (Raw and Water-worn) (Silicon Dioxide (SiO2)) — mineral

Quartz (Raw and Water-worn)

Silicon Dioxide (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite Cobble (Metamorphosed sandstone (SiO2)) — metamorphic

Quartzite Cobble

Metamorphosed sandstone (SiO2)

Quartz (Milky/Crystalline variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Crystalline variety)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite pebble (Quartzite (SiO2)) — metamorphic

Quartzite pebble

Quartzite (SiO2)

Quartzite (Silica (SiO2)) — metamorphic

Quartzite

Silica (SiO2)

Red Quartzite (Metamorphic Quartzite (predominantly SiO2 with iron oxide impurities)) — metamorphic

Red Quartzite

Metamorphic Quartzite (predominantly SiO2 with iron oxide impurities)

Quartzite River Rock (Metaquartzite (majorly SiO2)) — metamorphic

Quartzite River Rock

Metaquartzite (majorly SiO2)

Quartz (Small Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

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

Sandstone (Ferruginous)

Arenite (iron-rich)

Quartzite (Metamorphosed Sandstone (Mainly SiO2)) — metamorphic

Quartzite

Metamorphosed Sandstone (Mainly SiO2)

Weathered iron-rich concretion (probable limonite/goethite) (Limonite–goethite aggregate, approximately FeO(OH)·nH₂O) — mineral

Weathered iron-rich concretion (probable limonite/goethite)

Limonite–goethite aggregate, approximately FeO(OH)·nH₂O

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Banded Chert (Chert (Silicon Dioxide, SiO2)) — sedimentary

Banded Chert

Chert (Silicon Dioxide, SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Garnet (Almandine (Fe3Al2(SiO4)3)) — mineral

Garnet

Almandine (Fe3Al2(SiO4)3)

Sandstone (Ferruginous) (Arenite (composed primarily of SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (composed primarily of SiO2 with Fe2O3 cement)

Red calcite (Calcite (CaCO₃), likely iron- or manganese-colored) — mineral

Red calcite

Calcite (CaCO₃), likely iron- or manganese-colored

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky/Common variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Common variant)

Silicon Dioxide (SiO2)