Rock Identifier

Category

Sedimentary (Chemically Precipitated Mineral)

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

Jasper (likely Polychrome or Desert Jasper) (Silicon Dioxide (SiO2) with impurities) — sedimentary (chemically precipitated mineral)

Jasper (likely Polychrome or Desert Jasper)

Silicon Dioxide (SiO2) with impurities

sedimentary (chemically precipitated mineral)

Jasper (likely a variety of Yellow or Mustard Jasper) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary (chemically precipitated mineral)

Jasper (likely a variety of Yellow or Mustard Jasper)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

sedimentary (chemically precipitated mineral)

Turquoise (Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O

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

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Chert (Jasper/Jasperoid) (Chert (chemically precipitated microcrystalline Quartz, SiO2)) — sedimentary

Chert (Jasper/Jasperoid)

Chert (chemically precipitated microcrystalline Quartz, SiO2)

Tufa (Calcareous Tufa (Calcium Carbonate, CaCO3)) — sedimentary

Tufa

Calcareous Tufa (Calcium Carbonate, CaCO3)

Gold Ore (Native Gold (Au)) — mineral

Gold Ore

Native Gold (Au)

Quartz Geode with Calcite (Silicon Dioxide (SiO2) and Calcium Carbonate (CaCO3)) — Mineral/Geode

Quartz Geode with Calcite

Silicon Dioxide (SiO2) and Calcium Carbonate (CaCO3)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Hematite (Hematite, Iron(III) oxide (Fe2O3)) — mineral

Hematite

Hematite, Iron(III) oxide (Fe2O3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Limonite (Iron Ore) (Goethite and related iron hydroxides (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Goethite and related iron hydroxides (FeO(OH)·nH2O)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Manganese Ore (Psilomelane/Pyrolusite) (Psilomelane ((Ba,H2O)2Mn5O10) and Pyrolusite (MnO2)) — Mineral

Manganese Ore (Psilomelane/Pyrolusite)

Psilomelane ((Ba,H2O)2Mn5O10) and Pyrolusite (MnO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Chalcedony / Agate (Silicon Dioxide (SiO2)) — mineral

Chalcedony / Agate

Silicon Dioxide (SiO2)

Ferruginous Sandstone (Arenite with Iron-Oxide cement (Fe2O3 · nH2O)) — sedimentary

Ferruginous Sandstone

Arenite with Iron-Oxide cement (Fe2O3 · nH2O)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Chalcedony (Common Opal variant) (Silicon dioxide (SiO2) with varying levels of hydration) — mineral

Chalcedony (Common Opal variant)

Silicon dioxide (SiO2) with varying levels of hydration

Blue Chalcedony (Chalcedony (cryptocrystalline Silicon Dioxide - SiO2)) — mineral

Blue Chalcedony

Chalcedony (cryptocrystalline Silicon Dioxide - SiO2)

Banded Calcite (Mexican Onyx) (Calcium Carbonate (CaCO3)) — mineral

Banded Calcite (Mexican Onyx)

Calcium Carbonate (CaCO3)

Sandstone with Liesegang Rings (Arenite with Iron Oxide Concretions) — sedimentary

Sandstone with Liesegang Rings

Arenite with Iron Oxide Concretions

Limonite (Ironstone Concretion) (Limonite (Hydrous ferric oxide mixture, FeO(OH)·nH2O)) — sedimentary

Limonite (Ironstone Concretion)

Limonite (Hydrous ferric oxide mixture, FeO(OH)·nH2O)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Chalcedony (Agate/Chert variety) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Banded Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Banded Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

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

Honey Calcite

Calcite (Calcium Carbonate, CaCO3)

Limonite (Iron Ore) (Limonite (Iron oxide-hydroxide mixture, FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (Iron oxide-hydroxide mixture, FeO(OH)·nH2O)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Dyed Quartz Geode (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

Aragonite (Banded Calcite / 'Mexican Onyx') (Aragonite (Calcium Carbonate - CaCO3)) — mineral

Aragonite (Banded Calcite / 'Mexican Onyx')

Aragonite (Calcium Carbonate - CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Banded Calcite (Mexican Onyx) (Calcium Carbonate (CaCO3)) — sedimentary

Banded Calcite (Mexican Onyx)

Calcium Carbonate (CaCO3)

Green Calcite (Calcite (CaCO3)) — mineral

Green Calcite

Calcite (CaCO3)

Jasper (likely Polychrome or Mookaite variants) (Silicon Dioxide (SiO2) with iron oxide and hydroxide inclusions) — sedimentary (chemically precipitated)

Jasper (likely Polychrome or Mookaite variants)

Silicon Dioxide (SiO2) with iron oxide and hydroxide inclusions

sedimentary (chemically precipitated)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

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

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)