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

Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Orange Calcite (or Yellow Calcite) (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite (or Yellow Calcite)

Calcium Carbonate (CaCO3)

Yellow Chert or Jasper (Silicon Dioxide (SiO2)) — sedimentary

Yellow Chert or Jasper

Silicon Dioxide (SiO2)

Chert (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert

Sedimentary Cryptocrystalline Quartz (SiO2)

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

Optical Calcite

Calcite (Calcium Carbonate, CaCO3)

Chert (Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Chert (or Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (or Jasper)

Microcrystalline Quartz (SiO2)

Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon Dioxide (SiO2)

Chert Geode Nodules (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Geode Nodules

Microcrystalline Quartz (SiO2)

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

Iceland Spar (Optical Calcite)

Calcite (Calcium Carbonate, CaCO3)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (White/Gray variety) (Silicon Dioxide (SiO2 / Cryptocrystalline Quartz)) — sedimentary

Chert (White/Gray variety)

Silicon Dioxide (SiO2 / Cryptocrystalline Quartz)

Chert (Flint) (Chert (SiO2)) — sedimentary

Chert (Flint)

Chert (SiO2)

Chert Nodules / Flint (Crystalline Silica (SiO2)) — sedimentary

Chert Nodules / Flint

Crystalline Silica (SiO2)

Chert / Jasper (Silicon Dioxide (SiO2)) — sedimentary

Chert / Jasper

Silicon Dioxide (SiO2)

Chert / Flint Pebble (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Flint Pebble

Cryptocrystalline Quartz (SiO2)

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

Limonite (Ochreous)

FeO(OH)·nH2O (Hydrated Iron Oxide)

Chert (and Jasper/Chalcedony mixture) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (and Jasper/Chalcedony mixture)

Microcrystalline Quartz (SiO2)

Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon Dioxide (SiO2)

Chert (Jasper) (Cryptocrystalline Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper)

Cryptocrystalline Silicon Dioxide (SiO2)

Chert / Jasper (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Jasper

Cryptocrystalline Quartz (SiO2)

Halite (Rock Salt) (Halite (Sodium Chloride, NaCl)) — mineral

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Limestone (with possible Manganese oxide inclusions) (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone (with possible Manganese oxide inclusions)

Sedimentary Calcium Carbonate (CaCO3)

Quartzite Pebble (with Quartz Vein) (Meta-quartzite (SiO2-dominated metamorphic rock)) — metamorphic

Quartzite Pebble (with Quartz Vein)

Meta-quartzite (SiO2-dominated metamorphic rock)

Fragmented Sedimentary Pebble (Clastic Sedimentary Specimen) — sedimentary

Fragmented Sedimentary Pebble

Clastic Sedimentary Specimen

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Dark gray chert or flint nodule (Microcrystalline quartz (SiO₂), commonly chalcedony/quartz) — sedimentary

Dark gray chert or flint nodule

Microcrystalline quartz (SiO₂), commonly chalcedony/quartz

Chert (Nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline Quartz (SiO2)

Bog Iron (Limonite Concretion) (Limonite (FeO(OH)·nH2O)) — sedimentary

Bog Iron (Limonite Concretion)

Limonite (FeO(OH)·nH2O)

Sandstone with Iron Staining (Arenite (SiO2 based with Fe2O3 staining)) — sedimentary

Sandstone with Iron Staining

Arenite (SiO2 based with Fe2O3 staining)

Septarian Nodule (Septarian concretion (Complex mixture of Siderite/Limestone, Calcite, and Aragonite)) — sedimentary

Septarian Nodule

Septarian concretion (Complex mixture of Siderite/Limestone, Calcite, and Aragonite)

Banded Iron Formation (Banded Iron Formation (BIF)) — Sedimentary

Banded Iron Formation

Banded Iron Formation (BIF)

Quartzite (Quartzite (Metamorphosed quartz sandstone)) — metamorphic

Quartzite

Quartzite (Metamorphosed quartz sandstone)

Quartzite Pebble (Quartzite) — metamorphic

Quartzite Pebble

Quartzite

Quartzite (Silicon Dioxide (SiO2)) — metamorphic

Quartzite

Silicon Dioxide (SiO2)

Quartzite with inclusions (Metamorphosed quartz sandstone) — metamorphic

Quartzite with inclusions

Metamorphosed quartz sandstone

Quartzite (Quartzite (predominantly SiO2)) — metamorphic

Quartzite

Quartzite (predominantly SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Orange Quartzite / River Pebble (Silicon Dioxide (SiO2) - Recrystallized Sandstone) — metamorphic

Orange Quartzite / River Pebble

Silicon Dioxide (SiO2) - Recrystallized Sandstone

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

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)