mineral

Copper Ore Specimen

Cupriferous Rock / Malachite-bearing ore

Hardness: 3.5 to 4 for malachite, variable for host rock; Color: Brownish-orange matrix with vibrant green copper carbonate (malachite) patches and white quartz; Luster: Earthy to vitreous; Crystal Structure: Monoclinic for malachite; Specific Gravity: ~3.8 to 4.0

Hardness: 3
Luster: Earthy to vitreous

Identified August 4, 2026More mineral →

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Physical properties

Formation & geological history

Formed in the oxidized zones of copper ore deposits, typically through hydrothermal processes and subsequent weathering in arid or semi-arid climates. Highly consistent with the mineral-rich Andes region of Chile (near the provided coordinates).

Uses & applications

Primary source for copper extraction; collected as a mineral specimen.

Geological facts

Chile is the world's leading producer of copper, and specimens showing oxidized copper minerals like malachite and azurite are frequently found near major mining districts in the region.

Field identification & locations

Easily identified by the characteristic bright green staining and patches (malachite) mixed with iron oxide gossan on a rocky matrix. Common in the Andean cordillera.

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