Rock Identifier

Category

Sedimentary Or Metamorphic Derived

Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.

Fluorite (Green Fluorite) (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite (Green Fluorite)

Fluorite (Calcium Fluoride, CaF2)

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

Hematite

Iron(III) oxide (Fe2O3)

Chalk (Calcium Carbonate (CaCO3)) — sedimentary

Chalk

Calcium Carbonate (CaCO3)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Red Jasper (Heliotrope family variant) (Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)) — sedimentary

Red Jasper (Heliotrope family variant)

Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)

Red Sandstone (Arenite (primarily Quartz with Hematite cement)) — sedimentary

Red Sandstone

Arenite (primarily Quartz with Hematite cement)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Ammonite Fossil (Ammonoidea (primarily composed of Calcite, CaCO3, or Pyrite)) — sedimentary

Ammonite Fossil

Ammonoidea (primarily composed of Calcite, CaCO3, or Pyrite)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Jasper (var. Ocean or Polychrome Jasper) (Silicon Dioxide (SiO2) with iron and mineral inclusions) — sedimentary

Jasper (var. Ocean or Polychrome Jasper)

Silicon Dioxide (SiO2) with iron and mineral inclusions

Jasper pebble (Silicon dioxide (SiO2) with iron oxide inclusions) — sedimentary (secondary classification: cryptocrystalline quartz)

Jasper pebble

Silicon dioxide (SiO2) with iron oxide inclusions

sedimentary (secondary classification: cryptocrystalline quartz)

Red Jasper (Quartzite conglomerate) (Silicon dioxide (SiO2) with Iron inclusions) — sedimentary

Red Jasper (Quartzite conglomerate)

Silicon dioxide (SiO2) with Iron inclusions

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 Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Kyanite (Kyanite (Al2SiO5)) — Mineral

Kyanite

Kyanite (Al2SiO5)

Yellow Jasper (Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)) — Mineral-based Sedimentary/Silica

Yellow Jasper

Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)

Mineral-based Sedimentary/Silica

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

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

Celestite Geode (Celestine (Strontium Sulfate, SrSO4)) — mineral

Celestite Geode

Celestine (Strontium Sulfate, SrSO4)

Carnelian (Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)) — mineral

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)

Aventurine (Green Aventurine) (Quartz with Fuchsite Inclusions (SiO2)) — Mineral

Aventurine (Green Aventurine)

Quartz with Fuchsite Inclusions (SiO2)

Celestite (Celestine) (Strontium sulfate (SrSO4)) — mineral

Celestite (Celestine)

Strontium sulfate (SrSO4)

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Jasper (Chocolate or Brown Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Jasper (Chocolate or Brown Jasper)

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Yellow Jasper (Chalcedony (Silicon Dioxide, SiO2)) — sedimentary

Yellow Jasper

Chalcedony (Silicon Dioxide, SiO2)

Red Sandstone (Arenite (primarily SiO2 with hematite/iron oxide coating)) — sedimentary

Red Sandstone

Arenite (primarily SiO2 with hematite/iron oxide coating)

Red Sandstone (Arenite (composed primarily of SiO2 with Fe2O3 cementation)) — sedimentary

Red Sandstone

Arenite (composed primarily of SiO2 with Fe2O3 cementation)

Amber (Succinite (Organic Mineraloid) - C10H16O) — mineral

Amber

Succinite (Organic Mineraloid) - C10H16O

Blue Celestite (Celestine) Cluster (Strontium sulfate (SrSO4)) — mineral

Blue Celestite (Celestine) Cluster

Strontium sulfate (SrSO4)

Zoisite with Ruby (Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)) — metamorphic

Zoisite with Ruby

Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)

Pyrite in Matrix (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite in Matrix (Fool's Gold)

Iron Sulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Banded Agate (specifically Moss Agate or Plume Agate variety) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Banded Agate (specifically Moss Agate or Plume Agate variety)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Celestite (Celestine) (Strontium sulfate (SrSO4)) — Mineral

Celestite (Celestine)

Strontium sulfate (SrSO4)

Lapis Lazuli (Lapis Lazuli (a rock, not a single mineral; primary mineral is Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2) — Metamorphic rock

Lapis Lazuli

Lapis Lazuli (a rock, not a single mineral; primary mineral is Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2

Metamorphic rock

Banded Jasper (Silicon Dioxide (SiO2)) — Mineral/Sedimentary Rock (as a cryptocrystalline variety of quartz)

Banded Jasper

Silicon Dioxide (SiO2)

Mineral/Sedimentary Rock (as a cryptocrystalline variety of quartz)

Demantoid Garnet on Matrix (Demantoid (variety of Andradite Garnet) - Ca3(Fe3+)2(SiO4)3) — mineral

Demantoid Garnet on Matrix

Demantoid (variety of Andradite Garnet) - Ca3(Fe3+)2(SiO4)3

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Celestine (or Celestite) (Strontium sulfate (SrSO4)) — mineral

Celestine (or Celestite)

Strontium sulfate (SrSO4)

Celestite (Celestine) (Strontium Sulfate (SrSO4)) — mineral

Celestite (Celestine)

Strontium Sulfate (SrSO4)