mineral
Native Copper
Copper (Cu)
AI-generated identification · may be incorrectHardness of 2.5-3 on the Mohs scale, distinct copper-red color with a metallic luster, isometric crystal system, and a specific gravity of 8.9.
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Physical properties
Hardness of 2.5-3 on the Mohs scale, distinct copper-red color with a metallic luster, isometric crystal system, and a specific gravity of 8.9.
Formation & geological history
Formed as a hydrothermal vein mineral or through the alteration of copper-bearing silicates and oxides in basaltic cavities.
Uses & applications
Extensively used in electrical wiring, plumbing, manufacturing, and prized by mineral collectors.
Geological facts
Native copper can be found in massive nuggets, and it is one of the few metallic elements that occurs in native form in large quantities.
Field identification & locations
Easily identified by its characteristic metallic red-brown color, malleability, and green patina when weathered.
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Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous