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

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

Celestite (Celestine)

Strontium Sulfate (SrSO4)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Faceted quartz crystal sphere (likely rock crystal) (Quartz, silicon dioxide (SiO₂)) — gemstone

Faceted quartz crystal sphere (likely rock crystal)

Quartz, silicon dioxide (SiO₂)

Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz

Silicon Dioxide (SiO2)

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Pallasite Meteorite (likely Imilac or Brenham) (Stony-Iron Meteorite (Pallasite)) — mineral

Pallasite Meteorite (likely Imilac or Brenham)

Stony-Iron Meteorite (Pallasite)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Garnet-set butterfly brooch (Likely almandine or pyrope garnet, iron–aluminum silicate (Fe₃Al₂Si₃O₁₂ or Mg₃Al₂Si₃O₁₂)) — gemstone

Garnet-set butterfly brooch

Likely almandine or pyrope garnet, iron–aluminum silicate (Fe₃Al₂Si₃O₁₂ or Mg₃Al₂Si₃O₁₂)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Limonite with Quartz (Gossan) (Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)) — Mineral

Limonite with Quartz (Gossan)

Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)

Cubic Zirconia (Man-made) (Cubic Zirconia (ZrO2) with Enamel and Metal Alloy) — mineral

Cubic Zirconia (Man-made)

Cubic Zirconia (ZrO2) with Enamel and Metal Alloy

Quartz Vein in Host Rock (Likely Slate or Shale) (Hydrothermal Quartz (SiO2) in Pelitic host rock) — metamorphic

Quartz Vein in Host Rock (Likely Slate or Shale)

Hydrothermal Quartz (SiO2) in Pelitic host rock

Gold Flakes (Native Gold (Au)) — mineral

Gold Flakes

Native Gold (Au)

Gold Flake (Native Gold (Au)) — mineral

Gold Flake

Native Gold (Au)

Copper Nugget (Native Copper (Cu)) — mineral

Copper Nugget

Native Copper (Cu)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Malachite pendant (Malachite, Cu₂CO₃(OH)₂) — mineral

Malachite pendant

Malachite, Cu₂CO₃(OH)₂

Natural Gold Nugget (Native Gold (Au)) — mineral

Natural Gold Nugget

Native Gold (Au)

Manganese Nodule (Polymetallic Nodule (Hydrous manganese and iron oxides)) — mineral

Manganese Nodule

Polymetallic Nodule (Hydrous manganese and iron oxides)

Greenstone or Chlorite Schist (Greenschist / Chlorite schist) — metamorphic

Greenstone or Chlorite Schist

Greenschist / Chlorite schist

Amber Inlay Jewelry (Fossilized Resin (C10H16O)) — Organic Gemstone (Biogenic)

Amber Inlay Jewelry

Fossilized Resin (C10H16O)

Organic Gemstone (Biogenic)

Likely ironstone or iron-oxide–stained pebble (Iron-rich concretion, probably goethite/limonite (FeO(OH)·nH₂O) coating a rock fragment) — sedimentary

Likely ironstone or iron-oxide–stained pebble

Iron-rich concretion, probably goethite/limonite (FeO(OH)·nH₂O) coating a rock fragment

Small faceted gemstone, likely diamond (Diamond (crystalline carbon, C)) — gemstone

Small faceted gemstone, likely diamond

Diamond (crystalline carbon, C)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Iron Gossan (Limonite/Goethite) (Hydrated Iron Oxides (FeO(OH)·nH2O) from oxidation zones) — sedimentary

Iron Gossan (Limonite/Goethite)

Hydrated Iron Oxides (FeO(OH)·nH2O) from oxidation zones

Bauxite (Bauxite (Al2O3·2H2O)) — sedimentary

Bauxite

Bauxite (Al2O3·2H2O)

Copper-bearing chrysocolla/azurite host rock (probable) (Chrysocolla, Cu₂H₂Si₂O₅(OH)₄·nH₂O, with possible azurite Cu₃(CO₃)₂(OH)₂ in iron-stained quartz/matrix) — mineral

Copper-bearing chrysocolla/azurite host rock (probable)

Chrysocolla, Cu₂H₂Si₂O₅(OH)₄·nH₂O, with possible azurite Cu₃(CO₃)₂(OH)₂ in iron-stained quartz/matrix

Aura Quartz Geode (Angel Aura Quartz) (Silicon Dioxide (SiO2) bonded with precious metals) — mineral

Aura Quartz Geode (Angel Aura Quartz)

Silicon Dioxide (SiO2) bonded with precious metals

Aura Quartz (Pink/Magenta Aura Quartz) (Silicon Dioxide (SiO2) treated with vapor-deposited precious metals) — mineral

Aura Quartz (Pink/Magenta Aura Quartz)

Silicon Dioxide (SiO2) treated with vapor-deposited precious metals

Gossan (Iron Hat) (Iron oxide-rich weathered rock (primarily Limonite and Goethite with secondary Quartz)) — mineral

Gossan (Iron Hat)

Iron oxide-rich weathered rock (primarily Limonite and Goethite with secondary Quartz)

Aura Quartz (Titanium or Gold bonded Silicon Dioxide (SiO2)) — mineral

Aura Quartz

Titanium or Gold bonded Silicon Dioxide (SiO2)

Sphalerite in Chalcedony (Crescent Carving) (Zinc Sulfide (ZnS) with Silicon Dioxide (SiO2)) — mineral

Sphalerite in Chalcedony (Crescent Carving)

Zinc Sulfide (ZnS) with Silicon Dioxide (SiO2)

Cubic Zirconia (as a jewelry specimen) (Zirconium dioxide (ZrO2)) — mineral

Cubic Zirconia (as a jewelry specimen)

Zirconium dioxide (ZrO2)

Ruby and Sapphire Cluster Ring (Corundum (Al2O3)) — gemstone

Ruby and Sapphire Cluster Ring

Corundum (Al2O3)

Likely iron-rich meteorite or hematite-rich rock (Uncertain; possible iron meteorite (Fe–Ni alloy) or limonite/goethite-bearing hematite) — mineral

Likely iron-rich meteorite or hematite-rich rock

Uncertain; possible iron meteorite (Fe–Ni alloy) or limonite/goethite-bearing hematite

Silver (Native or Alloyed) (Ag (Argentum)) — mineral

Silver (Native or Alloyed)

Ag (Argentum)

Milky Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)