Home Copiapite
V - Sulfates
Crystal habit of Copiapite

Name   Copiapite
Chemistry   MgFe4[(OH)|(SO4)3]2·18H2O
Hardness   2.5
Lustre   pearly
Colour   green, green yellow, yellow, yellow green or golden yellow
Streak   pale yellow 
Density [g/cm3]   2.1
Crystal habit   triclinic
Cleavage, Fracture   [010] perfect, fracture uneven
other characteristics and occurrences   secondary formation by oxidation of iron sulfides

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