Rock Identifier

Category

Sedimentary (Chemically Precipitated Mineral)

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

Learn about Sedimentary (Chemically Precipitated Mineral) in the encyclopedia

Coal

Conglomerate

Glauconite

Quartzite Sandstone

Quartzite Sandstone

Breccia

Hutcheonite

Halite

Ironstone

Sperrylite

Baddeleyite

Anatase

Brookite

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

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

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

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Chert (Green and Black Jasper variant) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Green and Black Jasper variant)

Cryptocrystalline Quartz (SiO2)

Sandstone (Ferruginous) (Arenite (Fe2O3 dominant staining)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe2O3 dominant staining)

Chalcedony (Common Agate) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Common Agate)

Cryptocrystalline Quartz (SiO2)

Quartzite Pebble (River Rock) (Quartzite (mainly SiO2)) — metamorphic

Quartzite Pebble (River Rock)

Quartzite (mainly SiO2)

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

Quartz (Druzy or Geode fragment)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Chert (Jasper/Flint variant)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (Flint) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Flint)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Kaolinite Claystone (Al2Si2O5(OH)4 (Kaolinite)) — sedimentary

Kaolinite Claystone

Al2Si2O5(OH)4 (Kaolinite)

Chert / Flint Nodule (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Flint Nodule

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

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

Chert (potentially Jasper)

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Quartzite Cobble (Quartzite (chemically SiO2)) — metamorphic

Quartzite Cobble

Quartzite (chemically SiO2)

Gray Quartzite Pebble (Quartzite (chemically SiO2)) — metamorphic

Gray Quartzite Pebble

Quartzite (chemically SiO2)

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

Chert (Jasper/Mudstone)

Microcrystalline Quartz (SiO2)

Basalt with Quartz Veining (Mafic Igneous Rock (primarily Plagioclase and Pyroxene) with SiO2 inclusions) — igneous

Basalt with Quartz Veining

Mafic Igneous Rock (primarily Plagioclase and Pyroxene) with SiO2 inclusions

Chalcedony Agate / Carnelian nodules in Matrix (SiO2 (Silicon Dioxide) with iron oxide inclusions) — mineral

Chalcedony Agate / Carnelian nodules in Matrix

SiO2 (Silicon Dioxide) with iron oxide inclusions

Orange Quartz (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Orange Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Quartz (specifically Milky/Yellow Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky/Yellow Quartz)

Silicon Dioxide (SiO2)

Quartz (specifically Milky or Rose Quartz variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky or Rose Quartz variant)

Silicon Dioxide (SiO2)

Banded Calcite (often commercially called Mexican Onyx) (Calcite (Calcium Carbonate, CaCO3)) — mineral

Banded Calcite (often commercially called Mexican Onyx)

Calcite (Calcium Carbonate, CaCO3)

Chert with Quartz Druzy (Microcrystalline Quartz (SiO2) with Drusy Quartz Coating) — sedimentary

Chert with Quartz Druzy

Microcrystalline Quartz (SiO2) with Drusy Quartz Coating

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Common Opal / Chert (Hydrated silica (SiO2·nH2O) or Microcrystalline Quartz (SiO2)) — mineral

Common Opal / Chert

Hydrated silica (SiO2·nH2O) or Microcrystalline Quartz (SiO2)

Bog Iron (Limonite) (Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)) — sedimentary

Bog Iron (Limonite)

Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)

Chert (specifically Flint or Common Chert) (Chert (Cryptocrystalline Silica, SiO2)) — sedimentary

Chert (specifically Flint or Common Chert)

Chert (Cryptocrystalline Silica, SiO2)

Jasper (Microcrystalline Quartz (SiO2) with impurities) — sedimentary

Jasper

Microcrystalline Quartz (SiO2) with impurities

Jasper (Microcrystalline quartz (SiO2) with impurities) — sedimentary

Jasper

Microcrystalline quartz (SiO2) with impurities

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Chert (Concretion or Nodular Variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Concretion or Nodular Variety)

Microcrystalline Quartz (SiO2)