Rock Identifier

Category

Mineral, Metal (Element)

Browse mineral, metal (element) specimens identified by the Rock Identifier community.

Hematite Nodules (Moqui Marbles style) (Iron Oxide (Fe2O3)) — mineral

Hematite Nodules (Moqui Marbles style)

Iron Oxide (Fe2O3)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pyrite in Quartzite/Graphite Matrix (Iron Sulfide (FeS2)) — Mineral

Pyrite in Quartzite/Graphite Matrix

Iron Sulfide (FeS2)

Pyrite in Shale (Iron Sulfide (FeS2) in Sedimentary Matrix) — mineral

Pyrite in Shale

Iron Sulfide (FeS2) in Sedimentary Matrix

Labradorite ((Ca, Na)(Al, Si)4O8) — mineral

Labradorite

(Ca, Na)(Al, Si)4O8

Graphite (Graphite (C)) — mineral

Graphite

Graphite (C)

Pyrite in Quartz (Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)) — mineral

Pyrite in Quartz

Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Chalcopyrite in Quartz (Gossan/Iron Hat) (CuFeS2 (Chalcopyrite) with SiO2 (Quartz)) — mineral

Chalcopyrite in Quartz (Gossan/Iron Hat)

CuFeS2 (Chalcopyrite) with SiO2 (Quartz)

Healer's Gold (Pyrite and Magnetite in Schist) (Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist) — metamorphic

Healer's Gold (Pyrite and Magnetite in Schist)

Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist

Green Aventurine (Silicon dioxide (SiO2) with inclusions of Fuchsite) — mineral

Green Aventurine

Silicon dioxide (SiO2) with inclusions of Fuchsite

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Specular Hematite (Hematite (Fe2O3)) — mineral

Specular Hematite

Hematite (Fe2O3)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Gold (Native Gold (Au)) — mineral

Gold

Native Gold (Au)

Limonite (Ironstone) (Limonite (mixture of hydrated iron oxides, primarily Goethite α-FeO(OH))) — mineral

Limonite (Ironstone)

Limonite (mixture of hydrated iron oxides, primarily Goethite α-FeO(OH))

Hematite Nodule (Hematite (Fe2O3)) — mineral

Hematite Nodule

Hematite (Fe2O3)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Silicon Carbide (Carborundum) (Silicon Carbide (SiC) / Moissanite (natural)) — mineral

Silicon Carbide (Carborundum)

Silicon Carbide (SiC) / Moissanite (natural)

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Moissanite (Silicon Carbide (SiC)) — mineral

Moissanite

Silicon Carbide (SiC)

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

Hematite

Hematite, Iron(III) oxide (Fe2O3)

Pyrite (locally known as Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (locally known as Fool's Gold)

Iron Sulfide (FeS2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Specular Hematite (Specularite (Iron Oxide, Fe2O3)) — mineral

Specular Hematite

Specularite (Iron Oxide, Fe2O3)

Gold and Cubic Zirconia (San Judas Tadeo Pendant) (Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)) — mineral

Gold and Cubic Zirconia (San Judas Tadeo Pendant)

Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)

Red Hematite (Banded Iron Formation) (Hematite (Fe2O3)) — mineral

Red Hematite (Banded Iron Formation)

Hematite (Fe2O3)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Ironstone (likely Limonite or Goethite nodule) (Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)) — sedimentary

Ironstone (likely Limonite or Goethite nodule)

Hydrothermally altered Ferric Hydroxide (FeO(OH)·nH2O)

Ironstone Concretions (Ironstone) (Ferruginous Sandstone or Siltstone (Fe2O3)) — sedimentary

Ironstone Concretions (Ironstone)

Ferruginous Sandstone or Siltstone (Fe2O3)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Goldstone (Aventurine Glass (Man-made)) — mineral

Goldstone

Aventurine Glass (Man-made)

Gold Placer (Gold Flakes and Nuggets) (Native Gold (Au)) — mineral

Gold Placer (Gold Flakes and Nuggets)

Native Gold (Au)

Specular Hematite (Specularite) (Iron Oxide (Fe2O3)) — mineral

Specular Hematite (Specularite)

Iron Oxide (Fe2O3)

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Pyrite (on Quartz matrix) (Iron Disulfide (FeS2)) — mineral

Pyrite (on Quartz matrix)

Iron Disulfide (FeS2)

Gold and Diamond (Native Gold (Au) and Diamond (C)) — mineral

Gold and Diamond

Native Gold (Au) and Diamond (C)