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V - Sulfates
Crystal habit of Brochantite Brochantite Brochantite

 
Name   Brochantite
Chemistry   Cu4[(OH)6|SO4]
Hardness   3.5 - 4
Lustre   vitreous - pearly
Colour   green to dark green
Streak   pale green 
Density [g/cm3]   3.97
Crystal habit   monoclinic, crystals acicular, prismatic
Cleavage, Fracture   [100] perfect, fracture uneven
other characteristics and occurrences   in oxidation zones of copper ore deposits
   

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