Home Atacamite
III - Halogenides		 Crystal habit of Atacamite
 
Name   Atacamite
Chemistry   Cu2(OH)3Cl
Hardness   3 - 3.5
Lustre   vitreous
Colour   green, yellow green, black green
Streak   apple green 
Density [g/cm3]   3.7
Crystal habit   orthorhombic
Cleavage, Fracture   [010] perfect
other characteristics and occurrences   accicular, radial, granular, foliated, in aride climate (desert areas), similar to malachite (Cu2[(OH)2|CO3]), is formed by the oxidation of copper sulfides near the surface
   
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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