Rock Identifier

Category

Anthropic Metallic Specimen

Browse anthropic metallic specimen specimens identified by the Rock Identifier community.

Chrysocolla-bearing copper ore (Chrysocolla (hydrated copper aluminum silicate), likely with malachite/azurite and copper sulfides) — mineral

Chrysocolla-bearing copper ore

Chrysocolla (hydrated copper aluminum silicate), likely with malachite/azurite and copper sulfides

Gold-bearing Quartz with Iron Oxides (Quartz (SiO2) with Limonite/Goethite (FeO(OH)) and Pyrite (FeS2)) — mineral

Gold-bearing Quartz with Iron Oxides

Quartz (SiO2) with Limonite/Goethite (FeO(OH)) and Pyrite (FeS2)

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

Fluorite

Fluorite (Calcium Fluoride, CaF2)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Biotite-rich schist (mica schist) (Mica schist, chiefly quartz + biotite mica, with possible feldspar) — metamorphic

Biotite-rich schist (mica schist)

Mica schist, chiefly quartz + biotite mica, with possible feldspar

Granite (with Quartz Vein and Biotite) (Granite (Plutonic Igneous Rock)) — igneous

Granite (with Quartz Vein and Biotite)

Granite (Plutonic Igneous Rock)

Basalt (River Stone) (Extrusive mafic igneous rock) — igneous

Basalt (River Stone)

Extrusive mafic igneous rock

Graphite (Graphite (Native Carbon, C)) — metamorphic

Graphite

Graphite (Native Carbon, C)

Quartz-rich geode or drusy quartz specimen (Quartz, silicon dioxide (SiO₂), likely coating a carbonate or volcanic-rock cavity) — mineral

Quartz-rich geode or drusy quartz specimen

Quartz, silicon dioxide (SiO₂), likely coating a carbonate or volcanic-rock cavity

Polished tiger iron carving (Tiger iron, chiefly hematite–jasper–crocoite/goethite-rich ironstone; composition is uncertain from the image) — metamorphic

Polished tiger iron carving

Tiger iron, chiefly hematite–jasper–crocoite/goethite-rich ironstone; composition is uncertain from the image

Pyrite (fool’s gold) (Iron disulfide, FeS₂; commonly cubic or pyritohedral crystals) — mineral

Pyrite (fool’s gold)

Iron disulfide, FeS₂; commonly cubic or pyritohedral crystals

Copper ore (likely cuprite-bearing copper mineralization) (Cuprite, Cu₂O, possibly mixed with native copper and iron oxides) — mineral

Copper ore (likely cuprite-bearing copper mineralization)

Cuprite, Cu₂O, possibly mixed with native copper and iron oxides

Banded iron formation fragment (likely hematite–magnetite ironstone) (Banded iron formation; chiefly hematite (Fe₂O₃), magnetite (Fe₃O₄), and microcrystalline quartz (SiO₂)) — sedimentary

Banded iron formation fragment (likely hematite–magnetite ironstone)

Banded iron formation; chiefly hematite (Fe₂O₃), magnetite (Fe₃O₄), and microcrystalline quartz (SiO₂)

Bornite (Peacock Ore) (Bornite (Cu5FeS4)) — mineral

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Tiger's Eye (and Hematite/Jasper Matrix) (SiO2 (Pseudomorph of Quartz after Crocidolite) with Hematite/Magnetite) — mineral

Tiger's Eye (and Hematite/Jasper Matrix)

SiO2 (Pseudomorph of Quartz after Crocidolite) with Hematite/Magnetite

Tumbled blue sodalite (Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂) — mineral

Tumbled blue sodalite

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂

Iron meteorite (probable) (Iron–nickel meteorite, mainly kamacite and taenite (Fe–Ni alloy)) — meteorite

Iron meteorite (probable)

Iron–nickel meteorite, mainly kamacite and taenite (Fe–Ni alloy)

Green Aventurine (Silicon Dioxide (SiO2) with Fuchsite inclusions) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Quartz-rich metallic-looking pebble (Likely quartz or quartzite; exact identification is uncertain from the blurred image) — mineral

Quartz-rich metallic-looking pebble

Likely quartz or quartzite; exact identification is uncertain from the blurred image

Hematite / Ironstone (Iron Oxide (Fe2O3)) — sedimentary

Hematite / Ironstone

Iron Oxide (Fe2O3)

Likely galena-bearing ore (Galena (lead sulfide, PbS), possibly with quartz or calcite gangue) — mineral

Likely galena-bearing ore

Galena (lead sulfide, PbS), possibly with quartz or calcite gangue

Basalt River Pebble (Mafic volcanic rock (Basalt)) — igneous

Basalt River Pebble

Mafic volcanic rock (Basalt)

Unidentified weathered mineral/rock fragment (Indeterminate; likely a weathered iron-rich silicate or sulfide-bearing specimen) — mineral

Unidentified weathered mineral/rock fragment

Indeterminate; likely a weathered iron-rich silicate or sulfide-bearing specimen

Tumbled blue sodalite (probable) (Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂; possibly lapis-lazuli if lazurite is present) — mineral

Tumbled blue sodalite (probable)

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂; possibly lapis-lazuli if lazurite is present

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pegmatite / Granite with Mica (Pegmatite (Igneous Rock composed of Quartz, Feldspar, and Muscovite Mica)) — igneous

Pegmatite / Granite with Mica

Pegmatite (Igneous Rock composed of Quartz, Feldspar, and Muscovite Mica)

Quartz with Arsenopyrite (Silicon Dioxide (SiO2) with Iron Arsenic Sulfide (FeAsS)) — mineral

Quartz with Arsenopyrite

Silicon Dioxide (SiO2) with Iron Arsenic Sulfide (FeAsS)

Sunstone (Plagioclase Feldspar (Na,Ca)(Si,Al)3O8) — mineral

Sunstone

Plagioclase Feldspar (Na,Ca)(Si,Al)3O8

Cassiterite in Iron-rich Matrix (Cassiterite (SnO2)) — mineral

Cassiterite in Iron-rich Matrix

Cassiterite (SnO2)

Sunstone (Feldspar) ((Ca,Na)((Al,Si)2Si2O8) with inclusions of Hematite or Goethite) — mineral

Sunstone (Feldspar)

(Ca,Na)((Al,Si)2Si2O8) with inclusions of Hematite or Goethite

Sunstone (Plagioclase Feldspar (Na,Ca)(Al,Si)4O8) — mineral

Sunstone

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

Native Copper with Malachite/Oxide Coating (Native Copper (Cu)) — mineral

Native Copper with Malachite/Oxide Coating

Native Copper (Cu)

Zinc Alloy (Silver-plated) (Zinc Alloy Casting (Zn-Al-Mg-Cu)) — mineral (refined metal)

Zinc Alloy (Silver-plated)

Zinc Alloy Casting (Zn-Al-Mg-Cu)

mineral (refined metal)

Iron-rich metamorphic rock, likely specular hematite-bearing schist (Hematite–quartz–mica schist (tentative)) — metamorphic

Iron-rich metamorphic rock, likely specular hematite-bearing schist

Hematite–quartz–mica schist (tentative)

Fossilized Shark Tooth (Sand Tiger) (Carcharias taurus (fossil specimen)) — sedimentary

Fossilized Shark Tooth (Sand Tiger)

Carcharias taurus (fossil specimen)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Pyrite-bearing rock (likely pyrite-rich schist or massive pyrite) (Pyrite, FeS₂, possibly in a micaceous metamorphic matrix) — mineral

Pyrite-bearing rock (likely pyrite-rich schist or massive pyrite)

Pyrite, FeS₂, possibly in a micaceous metamorphic matrix

Iron-rich laterite or weathered ironstone (Laterite, likely limonitic goethite–hematite material) — sedimentary

Iron-rich laterite or weathered ironstone

Laterite, likely limonitic goethite–hematite material

Silver-bearing galena ore (Galena (PbS), likely in a quartz/carbonate-rich matrix with possible sulfide minerals) — mineral

Silver-bearing galena ore

Galena (PbS), likely in a quartz/carbonate-rich matrix with possible sulfide minerals

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

Hematite

Iron(III) oxide (Fe2O3)

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)