Rock Identifier

Category

Mineral (Refined Metal)

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

Learn about Mineral (Refined Metal) in the encyclopedia

Cassiterite

Sperrylite

Brookite

Pyrite

Acanthite

Aventurine Feldspar

Aventurine Feldspar

Galena

Bronzite

Gold Sheen Obsidian

Gold (Aurum (Elemental Gold, Au)) — Mineral, Metal (element)

Gold

Aurum (Elemental Gold, Au)

Mineral, Metal (element)

Greisen (Greisen) — Metamorphic

Greisen

Greisen

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Serpentinite (Serpentinite (composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite)) — metamorphic

Serpentinite

Serpentinite (composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite)

Serpentinite (Serpentinite (a rock composed predominantly of serpentine group minerals)) — metamorphic

Serpentinite

Serpentinite (a rock composed predominantly of serpentine group minerals)

Quartz (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO2 - Silicon Dioxide)

Blue Goldstone (Synthetic Avanturine Glass (or Aventurine Glass)) — Synthetic Glass

Blue Goldstone

Synthetic Avanturine Glass (or Aventurine Glass)

Synthetic Glass

Pyrite (Iron Pyrite (FeS2)) — Mineral

Pyrite

Iron Pyrite (FeS2)

Garnet (likely Almandine, Pyrope, or a blend) (Garnet group minerals: X3Y2(SiO4)3, where X and Y represent various metal ions (e.g., Almandine: Fe3Al2(SiO4)3, Pyrope: Mg3Al2(SiO4)3)) — Mineral

Garnet (likely Almandine, Pyrope, or a blend)

Garnet group minerals: X3Y2(SiO4)3, where X and Y represent various metal ions (e.g., Almandine: Fe3Al2(SiO4)3, Pyrope: Mg3Al2(SiO4)3)

Quartz (Quartz (Silicon Dioxide - SiO2)) — Mineral

Quartz

Quartz (Silicon Dioxide - SiO2)

Pyrite (Pyrite (Iron sulfide, FeS₂)) — mineral

Pyrite

Pyrite (Iron sulfide, FeS₂)

Diamond (Diamond (pure carbon; C)) — Mineral

Diamond

Diamond (pure carbon; C)

Stainless Steel (Polished) (Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)) — Mineral equivalent / Metal Alloy

Stainless Steel (Polished)

Ferrous Alloy containing Iron (Fe), Chromium (Cr), and Carbon (C)

Mineral equivalent / Metal Alloy

Quartzite (Quartzite (primarily composed of SiO

O₂)) — Sedimentary Rock

Quartzite

Quartzite (primarily composed of SiO O₂)

Sedimentary Rock

United States Quarter Dollar (Cupronickel Clad Alloy (75% Copper, 25% Nickel over a 100% Copper core)) — Metal / Man-made mineral-like object

United States Quarter Dollar

Cupronickel Clad Alloy (75% Copper, 25% Nickel over a 100% Copper core)

Metal / Man-made mineral-like object

Quartz (possibly milky quartz) (Quartz (Silica; SiO₂)) — Mineral

Quartz (possibly milky quartz)

Quartz (Silica; SiO₂)

Slag — industrial by-product

Slag

industrial by-product

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Mica-bearing quartz rock (likely pegmatite) (Quartz–feldspar–mica pegmatite; dark mica is probably biotite, possibly muscovite or chlorite) — igneous

Mica-bearing quartz rock (likely pegmatite)

Quartz–feldspar–mica pegmatite; dark mica is probably biotite, possibly muscovite or chlorite

Fluorite in Matrix (Fluorite (CaF2) within a host rock matrix) — Mineral

Fluorite in Matrix

Fluorite (CaF2) within a host rock matrix

Limonitic Gossan (Goethite/Limonite aggregate after sulfide) — igneous and metamorphic derivative (weathered)

Limonitic Gossan

Goethite/Limonite aggregate after sulfide

igneous and metamorphic derivative (weathered)

Tiger's Eye (Rough) (Macrocrystalline Quartz (SiO2 with inclusions of Crocidolite)) — mineral

Tiger's Eye (Rough)

Macrocrystalline Quartz (SiO2 with inclusions of Crocidolite)

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Fluorite and Mineral Collection (Calcium Fluoride (CaF2)) — mineral

Fluorite and Mineral Collection

Calcium Fluoride (CaF2)

Barite Rose (Desert Rose) (Barium Sulfate (BaSO4)) — mineral

Barite Rose (Desert Rose)

Barium Sulfate (BaSO4)

Chrysoprase (Chalcedony (cryptocrystalline SiO2 variety)) — Mineral

Chrysoprase

Chalcedony (cryptocrystalline SiO2 variety)

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Pyrite Nodules / Weathered Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite Nodules / Weathered Pyrite

Iron Sulfide (FeS2)

Pyrite or Chalcopyrite (Iron sulfide (FeS2) or Copper iron sulfide (CuFeS2)) — mineral

Pyrite or Chalcopyrite

Iron sulfide (FeS2) or Copper iron sulfide (CuFeS2)

Magnetite / Iron-Rich Basalt (Magnetite bearing Mafic Rock (Fe3O4)) — igneous

Magnetite / Iron-Rich Basalt

Magnetite bearing Mafic Rock (Fe3O4)

Feldspar (Triclinic or Monoclinic Tectosilicate (e.g., KAlSi3O8)) — mineral

Feldspar

Triclinic or Monoclinic Tectosilicate (e.g., KAlSi3O8)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Black Obsidian and Hematite (Volcanic Glass (SiO2) and Hematite (Fe2O3)) — igneous and mineral

Black Obsidian and Hematite

Volcanic Glass (SiO2) and Hematite (Fe2O3)

igneous and mineral

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

Hematite

Iron(III) oxide, Fe2O3

Fluorite (Fluorite (CaF2)) — mineral

Fluorite

Fluorite (CaF2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Turquoise and Hematite (Turquoise: CuAl6(PO4)4(OH)8·4H2O; Hematite: Fe2O3) — mineral

Turquoise and Hematite

Turquoise: CuAl6(PO4)4(OH)8·4H2O; Hematite: Fe2O3

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

Pyrite (Fool's Gold) Cube

Iron Sulfide (FeS2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Specular Hematite (on Schist/Matrix) (Hematite (Alpha-Fe2O3)) — mineral

Specular Hematite (on Schist/Matrix)

Hematite (Alpha-Fe2O3)

Hematite (Oolitic or Earthy variety) (Iron(III) oxide (Fe2O3)) — mineral

Hematite (Oolitic or Earthy variety)

Iron(III) oxide (Fe2O3)

Hematite Pebble (Hematite (Alpha Fe2O3)) — mineral

Hematite Pebble

Hematite (Alpha Fe2O3)