Mineral Guide · Mineral
Native copper is elemental copper occurring as arborescent masses, wires, sheets and occasional crystals.
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Native copper is elemental copper occurring as arborescent masses, wires, sheets and occasional crystals.
The reference formula is Cu. Native Copper is classified with the native elements and its crystal system is cubic. Natural specimens can vary in composition, habit and degree of crystallinity, so the locality and observed form remain important.
Typical colours include copper red, reddish brown and iridescent black. Lustre, transparency, inclusions and surface condition should be described for the individual specimen rather than inferred from the name alone.
Native Copper forms in or is associated with oxidised copper deposits, basalt cavities and hydrothermal veins. Notable collecting regions include Michigan in the United States, Russia, Chile, Australia and the Democratic Republic of the Congo. A precise locality is more useful than a broad country label when it is documented.
Native Copper is useful in a reference collection because its appearance connects mineral chemistry with geological setting. Store specimens dry, protected from impact and clearly labelled with the confirmed material, locality and any treatment history.
Reviewed by NotOnlyRocks Editorial Team
Last reviewed: 31 August 2026
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