Rock Identifier

Category

Anthropic Metallic Specimen

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

N/A - Man-made object (Jewelry Chain) (Antiqued or Oxidized Metal Chain (often Steel or Brass)) — Mineral (processed metal)

N/A - Man-made object (Jewelry Chain)

Antiqued or Oxidized Metal Chain (often Steel or Brass)

Mineral (processed metal)

Pyrite in Matrix (Gold-colored Chalcopyrite or Pyrite) (Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)) — mineral

Pyrite in Matrix (Gold-colored Chalcopyrite or Pyrite)

Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)

Schist with Schorl (Black Tourmaline) (NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)) — metamorphic

Schist with Schorl (Black Tourmaline)

NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)

Muscovite Schist with Quartz (Mica Schist (KAl2(AlSi3O10)(OH)2)) — metamorphic

Muscovite Schist with Quartz

Mica Schist (KAl2(AlSi3O10)(OH)2)

Probable galena (Galena (lead sulfide, PbS)) — mineral

Probable galena

Galena (lead sulfide, PbS)

Possible iron-rich basalt or industrial slag (Basalt, likely Fe–Mg silicate rock; exact identification is uncertain from the blurred image) — igneous

Possible iron-rich basalt or industrial slag

Basalt, likely Fe–Mg silicate rock; exact identification is uncertain from the blurred image

River Cobble (likely Basalt or Chert) (Basalt (Mafic volcanic rock)) — igneous

River Cobble (likely Basalt or Chert)

Basalt (Mafic volcanic rock)

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

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

Fossilized Shark Tooth (Sand Tiger)

Carcharias taurus (fossil specimen)

Iron-stained quartz-rich rock, possibly goethite-bearing quartz (Quartz (SiO₂) with iron oxides/hydroxides, likely goethite or limonite) — mineral

Iron-stained quartz-rich rock, possibly goethite-bearing quartz

Quartz (SiO₂) with iron oxides/hydroxides, likely goethite or limonite

Man-made Jewelry Charm (Enameled Metal) (Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.) — Synthetic / Manufactured Artifact

Man-made Jewelry Charm (Enameled Metal)

Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.

Synthetic / Manufactured Artifact

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Basalt (Mafic extrusive igneous rock) — igneous

Basalt

Mafic extrusive igneous rock

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

Tumbled sodalite

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂

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

Pyrite-rich Gossan (Iron Sulfide (FeS2) in Ore Matrix) — mineral

Pyrite-rich Gossan

Iron Sulfide (FeS2) in Ore Matrix

Hypersthene (Enstatite-Ferrosilite series, (Mg,Fe)2Si2O6) — mineral

Hypersthene

Enstatite-Ferrosilite series, (Mg,Fe)2Si2O6

Lapis Lazuli (Low Grade) (Lapis Lazuli (Metamorphic rock containing lazurite, calcite, and pyrite)) — metamorphic

Lapis Lazuli (Low Grade)

Lapis Lazuli (Metamorphic rock containing lazurite, calcite, and pyrite)

Banded iron formation fragment (Banded iron formation (BIF), chiefly hematite/magnetite and chert (SiO₂)) — sedimentary

Banded iron formation fragment

Banded iron formation (BIF), chiefly hematite/magnetite and chert (SiO₂)

Possible metallic meteorite or iron-rich mineral (Uncertain; visually compatible with an iron meteorite, metal-rich chondrite, or magnetite-bearing rock) — meteorite

Possible metallic meteorite or iron-rich mineral

Uncertain; visually compatible with an iron meteorite, metal-rich chondrite, or magnetite-bearing rock

Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Mafic Extrusive Igneous Rock)

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

Pyrite in Matrix

Iron Sulfide (FeS2)

Tumbled rose quartz (Quartz, silicon dioxide (SiO₂), pink variety) — mineral

Tumbled rose quartz

Quartz, silicon dioxide (SiO₂), pink variety

Aura Quartz (Silicon Dioxide (SiO2) with Titanium/Metal vapor coating) — mineral

Aura Quartz

Silicon Dioxide (SiO2) with Titanium/Metal vapor coating

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Silver-colored mica schist (Muscovite–quartz schist, possibly with biotite) — metamorphic

Silver-colored mica schist

Muscovite–quartz schist, possibly with biotite

Fluorite (Purple variety) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Purple variety)

Calcium Fluoride (CaF2)

Sunstone (Plagioclase feldspar (with Copper or Hematite inclusions)) — mineral

Sunstone

Plagioclase feldspar (with Copper or Hematite inclusions)

Opalite (Synthetic Opalite Glass (Silicon Dioxide)) — mineraloid (man-made)

Opalite

Synthetic Opalite Glass (Silicon Dioxide)

mineraloid (man-made)

Limonite (Ironstone Concretion) (Hydrous ferric oxides (FeO(OH)·nH2O)) — mineral

Limonite (Ironstone Concretion)

Hydrous ferric oxides (FeO(OH)·nH2O)

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

Pyrite in Matrix (Fool's Gold)

Iron Sulfide (FeS2)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Pyrite-bearing rock (iron pyrite) (Pyrite, FeS₂, likely disseminated or massive in a host rock) — mineral

Pyrite-bearing rock (iron pyrite)

Pyrite, FeS₂, likely disseminated or massive in a host rock

Magnetite-rich ironstone (probable magnetite ore) (Magnetite, Fe₃O₄, likely in a fine-grained ironstone matrix) — mineral

Magnetite-rich ironstone (probable magnetite ore)

Magnetite, Fe₃O₄, likely in a fine-grained ironstone matrix

Silver (Native Silver) (Native Silver (Ag)) — mineral

Silver (Native Silver)

Native Silver (Ag)

Serpentinite (likely) (Serpentinite, composed mainly of serpentine-group minerals (Mg₃Si₂O₅(OH)₄), with possible magnetite, chromite, and talc) — metamorphic

Serpentinite (likely)

Serpentinite, composed mainly of serpentine-group minerals (Mg₃Si₂O₅(OH)₄), with possible magnetite, chromite, and talc

Muscovite Schist with Quartz (KAl2(AlSi3O10)(OH,F)2 (Muscovite) in Schist) — metamorphic

Muscovite Schist with Quartz

KAl2(AlSi3O10)(OH,F)2 (Muscovite) in Schist

Ironstone pebble (Ironstone (Ferruginous Sedimentary Rock)) — sedimentary

Ironstone pebble

Ironstone (Ferruginous Sedimentary Rock)

Possible weathered basalt or slag fragment (Basalt, chiefly plagioclase and pyroxene; identification is uncertain from the image) — igneous

Possible weathered basalt or slag fragment

Basalt, chiefly plagioclase and pyroxene; identification is uncertain from the image

Native Gold Nugget (Gold (Au)) — mineral

Native Gold Nugget

Gold (Au)

Pyrite (Iron Pyrite) with Goethite Oxidation (Iron Sulfide (FeS2)) — mineral

Pyrite (Iron Pyrite) with Goethite Oxidation

Iron Sulfide (FeS2)