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VII - Arsenates		 Tyrolite
 
Name   Tyrolite
Chemistry   CaCu5[(AsO4)2|CO3|(OH)4]·6H2O
Hardness   1.5 - 2
Lustre   vitreous - pearly
Colour   blue, blue green, green blue or light green
Streak   pale green 
Density [g/cm3]   3.1 - 3.2
Crystal habit   orthorhombic
Cleavage, Fracture   [110], [001] distinct, fracture conchoidal
other characteristics and occurrences   formation in limestone by weathering of arsenic containing copper ore
   
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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