Copper
Introduction: Copper is used in cables, coils and in copper wiring as it is an excellent conductor. It is named from the Latin word 'cuprum', from 'cyprium' meaning a metal from Cyprus. Found in colours that vary from copper-red to pale pink or brown, it occurs in a number of forms including wiry fibres, crystals (rare) and flat sheets.
Distribution: Tsumeb, Kombat and Klein Aub copper mines
Composition: Native metal
Crystal system: Cubic
Lustre: Metallic
Streak: Light red
Hardness: 2.5-3
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