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Copper I - Elements

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Name		Copper
Chemistry		Cu
Hardness		2.5 - 3
Lustre		metallic
Colour		red, copper red, brown
Streak		copper red
Density [g/cm3]		8.9 - 9.0
Crystal habit		isometric, crystals often distorted
Cleavage, Fracture		fracture hackly
other characteristics and occurrences		dendritic growth, often with a green (malachite), blue or brown surface in oxidation zones (cap rocks) of copper sulfide veins and in cavities of some volcanic rocks (basalts)

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst

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