Native Copper
Native Copper (Cu)
mineral
Category
Anthropic Metallic Specimen
Browse anthropic metallic specimen specimens identified by the Rock Identifier community.
Anthracite Coal
Anthracite (high-rank coal)
metamorphic
Chondrite Meteorite
Ordinary Chondrite (OC)
Mineral (Extraterrestrial)
Gold Nugget
Native Gold (Au)
mineral
Native Gold
Native Gold (Au)
mineral
Mica Schist
Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)
metamorphic
Galena
Lead Sulfide (PbS)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Fluorite (Purple Octahedron)
Calcium Fluoride (CaF2)
Mineral
Basalt
Extrusive volcanic basalt
igneous
Basalt
Basalt (comprising Plagioclase feldspar, Pyroxene, and Olivine)
igneous
Manganese Oxide Crust on Limestone
Manganese Oxides (e.g., Pyrolusite MnO2 or Romanechite) on CaCO3
sedimentary
Vesicular Basalt (Scoria)
Scoriaceous Basalt (FeMgSiO3-rich)
igneous
Basalt
Basalt
igneous
Schist (specifically Chlorite/Greenschist)
Chlorite Schist
metamorphic
Pyrite in Shaly Matrix
Iron Sulfide (FeS2)
mineral
Labradorite
Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8
mineral
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Slag (Industrial Glass)
Artificial Vitreous Silicate
mineraloid (anthropogenic)
Basalt
Basalt (Igneous Volcanic)
igneous
Basalt
Basalt (Aphanitic Mafic Igneous)
igneous
Banded Iron Formation (BIF) / Ironstone Conglomerate
Ironstone (Hematite/Goethite rich sedimentary rock)
sedimentary
Anthracite Coal
Anthracite
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Basalt
Basalt
igneous
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Botryoidal Goethite
Goethite (α-Fe3+O(OH))
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Gossan (Limonite/Ironstone)
Hydrated Iron Oxide (FeO(OH)·nH2O)
sedimentary
Pyrite Concretion (Grapestone)
Iron Sulfide (FeS2) Concretion
sedimentary
Slag (Industrial By-product)
Glassy silicate or metallic smelting residue
mineral-like (anthropogenic)
Anthracite
Anthracite (highest-grade coal)
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Slate with Pyrite Inclusions
Foliated Metamorphic Rock (with Iron Sulfide FE-S2)
metamorphic
Vesicular Basalt
Extrusive mafic igneous rock; primarily (Ca,Na)(Mg,Fe,Al,Si)2O6 (Pyroxene) and (Ca,Na)Al(Al,Si)Si2O8 (Plagioclase Feldspar)
igneous
Pyrite
Iron Sulfide (FeS2)
mineral
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
mineral