Rock Identifier

Category

Anthropic Metallic Specimen

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

Goldstone (Aventurine Glass (Man-made glass with copper inclusions)) — mineraloid / man-made glass

Goldstone

Aventurine Glass (Man-made glass with copper inclusions)

mineraloid / man-made glass

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

Labradorite

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

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

Labradorite

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

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Labradorite

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

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Pyrite nodule (probable iron sulfide concretion) (Pyrite, FeS₂, likely weathered within a sedimentary concretion) — mineral

Pyrite nodule (probable iron sulfide concretion)

Pyrite, FeS₂, likely weathered within a sedimentary concretion

Quartzite Pebble with Pyrite Coating (SiO2 (Quartz) with FeS2 (Pyrite) inclusions or surface coating) — metamorphic

Quartzite Pebble with Pyrite Coating

SiO2 (Quartz) with FeS2 (Pyrite) inclusions or surface coating

Metallic iron meteorite (probable) (Iron meteorite, typically kamacite–taenite (Fe–Ni alloy)) — meteorite

Metallic iron meteorite (probable)

Iron meteorite, typically kamacite–taenite (Fe–Ni alloy)

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

Galena

Galena (lead sulfide, PbS)

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Polished brecciated jasper or iron-rich chert (Silica-rich microcrystalline quartz (SiO₂), with iron-oxide/hydroxide staining; exact identification requires testing) — sedimentary

Polished brecciated jasper or iron-rich chert

Silica-rich microcrystalline quartz (SiO₂), with iron-oxide/hydroxide staining; exact identification requires testing

Gold Ore in Quartz (Native Gold (Au) in Quartz (SiO2)) — mineral

Gold Ore in Quartz

Native Gold (Au) in Quartz (SiO2)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

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

Pyrite (Iron Pyrite)

Iron Sulfide (FeS2)

Ironstone / Weathered Hematite (Iron oxide-rich sedimentary rock with Goethite/Hematite) — sedimentary

Ironstone / Weathered Hematite

Iron oxide-rich sedimentary rock with Goethite/Hematite

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

Pyrite with Quartz

Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)

Pyrite and Calcite (or Barite) Specimen (Iron Sulfide (FeS2) with Calcium Carbonate (CaCO3)) — mineral

Pyrite and Calcite (or Barite) Specimen

Iron Sulfide (FeS2) with Calcium Carbonate (CaCO3)

Banded Iron Formation (BIF) (Banded Iron Formation (SiO2 + Fe2O3)) — sedimentary

Banded Iron Formation (BIF)

Banded Iron Formation (SiO2 + Fe2O3)

Hematite Pebble (Hematite (Fe2O3)) — mineral

Hematite Pebble

Hematite (Fe2O3)

Tumbled dark metallic mineral specimen, possibly hematite or magnetite (Hematite (Fe₂O₃) or magnetite (Fe₃O₄); visual identification is uncertain) — mineral

Tumbled dark metallic mineral specimen, possibly hematite or magnetite

Hematite (Fe₂O₃) or magnetite (Fe₃O₄); visual identification is uncertain

Native Copper (Native Copper (Cu)) — mineral

Native Copper

Native Copper (Cu)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Pyrite-bearing sulfide specimen (Pyrite (FeS₂), possibly with chalcopyrite (CuFeS₂) and/or marcasite) — mineral

Pyrite-bearing sulfide specimen

Pyrite (FeS₂), possibly with chalcopyrite (CuFeS₂) and/or marcasite

Copper Ore with Malachite and Chalcocite (Copper-bearing Mineral Assemblage (Cu2CO3(OH)2 + Cu2S)) — mineral

Copper Ore with Malachite and Chalcocite

Copper-bearing Mineral Assemblage (Cu2CO3(OH)2 + Cu2S)

Graphite (Graphite (C)) — mineral

Graphite

Graphite (C)

Magnetite (potentially Hematite-rich) (Magnetite (Fe3O4)) — mineral

Magnetite (potentially Hematite-rich)

Magnetite (Fe3O4)

Peacock ore (Iridescent chalcopyrite, commonly bornite-coated or artificially treated copper sulfide) — mineral

Peacock ore

Iridescent chalcopyrite, commonly bornite-coated or artificially treated copper sulfide

Likely chalcopyrite-bearing sulfide ore (Chalcopyrite (CuFeS₂), possibly with pyrite and secondary copper minerals) — mineral

Likely chalcopyrite-bearing sulfide ore

Chalcopyrite (CuFeS₂), possibly with pyrite and secondary copper minerals

Iron-oxide-stained sulfide-bearing rock, possibly pyrite-bearing schist (Likely quartz–mica schist or massive sulfide rock with pyrite (FeS₂) and limonite/goethite (FeO(OH)·nH₂O)) — metamorphic

Iron-oxide-stained sulfide-bearing rock, possibly pyrite-bearing schist

Likely quartz–mica schist or massive sulfide rock with pyrite (FeS₂) and limonite/goethite (FeO(OH)·nH₂O)

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

Fluorite and Mineral Collection

Calcium Fluoride (CaF2)

Native Gold Nuggets (Native Gold (Au)) — mineral

Native Gold Nuggets

Native Gold (Au)

Bog Iron (Limonite Concretion) (Limonite (FeO(OH)·nH2O)) — sedimentary

Bog Iron (Limonite Concretion)

Limonite (FeO(OH)·nH2O)

Iron Meteorite (Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)) — mineral

Iron Meteorite

Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)

Gold in Quartz (Hydrothermal Quartz with Native Gold (SiO2 with Au)) — mineral

Gold in Quartz

Hydrothermal Quartz with Native Gold (SiO2 with Au)

Gold-bearing quartz vein in dark host rock (Native gold (Au) with quartz (SiO₂), likely in slate, schist, or altered volcanic rock) — mineral

Gold-bearing quartz vein in dark host rock

Native gold (Au) with quartz (SiO₂), likely in slate, schist, or altered volcanic rock

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

Magnetite (Iron Ore)

Magnetite (Fe3O4)

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

Hematite

Hematite (Iron (III) oxide, Fe2O3)

Gold-bearing Quartz (Auriferous Quartz (SiO2 with native Au)) — mineral

Gold-bearing Quartz

Auriferous Quartz (SiO2 with native Au)

Pyrite-bearing sulfide ore specimen (Pyrite (iron disulfide, FeS₂), likely with other metallic sulfides and host rock) — mineral

Pyrite-bearing sulfide ore specimen

Pyrite (iron disulfide, FeS₂), likely with other metallic sulfides and host rock

Gold Nugget / Placer Gold (Native Gold (Au)) — mineral

Gold Nugget / Placer Gold

Native Gold (Au)

Ironstone concretion (possibly pyrite-bearing) (Iron-rich sedimentary concretion, likely composed of goethite/limonite with possible pyrite) — sedimentary

Ironstone concretion (possibly pyrite-bearing)

Iron-rich sedimentary concretion, likely composed of goethite/limonite with possible pyrite