Rock Identifier
Copper in Quartz (Cuprite and Native Copper in SiO2) — mineral
mineral

Copper in Quartz

Cuprite and Native Copper in SiO2

AI-generated identification · may be incorrect

Hardness 7 for quartz and 2.5-3 for copper; color is metallic copper-red within translucent white quartz; luster is metallic to vitreous.

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Physical properties

Hardness 7 for quartz and 2.5-3 for copper; color is metallic copper-red within translucent white quartz; luster is metallic to vitreous.

Formation & geological history

Formed through hydrothermal vein deposition where copper-rich fluids interacted with silica-rich host rocks.

Uses & applications

Used in mineral specimen collection, lapidary arts, and ornamental jewelry.

Geological facts

Native copper frequently crystallizes alongside quartz in hydrothermal veins, creating striking visual contrast.

Field identification & locations

Identify by the combination of a high-hardness clear matrix with soft, malleable metallic copper patches; found in major copper districts worldwide.