Home Chalcophyllite
VII - Arsenates
Crystal habit of Chalcophyllite Chalcophyllite

Name   Chalcophyllite
Chemistry   (CuAl)3[(OH)4|(AsO4,SO4)]·6H2O
Hardness   2
Lustre   vitreous, pearly
Colour   emerald green, grass green or bluish green
Streak   pale green 
Density [g/cm3]   2.4 - 2.7
Crystal habit   trigonal, crystals tabular, platy
Cleavage, Fracture   [0001] perfect, fracture uneven
other characteristics and occurrences   secondary mineral of the oxidation zone of copper deposits together with cuprite (Cu2O), malachite (Cu2[(OH)2|CO3]) and azurite (Cu3[(OH)2|CO3]2)

This page in German - Diese Seite in Deutsch
© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
These recommendations are believed to be correct. However, no guarantee of their accuracy is given. Therefore, purchasers shall make their own tests to determine suitability for their use. These products are offered for industrial and related uses (e.g. research and development) only. However the user must take the necessary precautions appropriate for products containing chemicals. This description does not imply the absence of any patents, the responsibility whatsoever solely rests with the user.