Home Bornite
II - Sulfides
Crystal habit of Bornite Bornite Bornite

Name   Bornite
Chemistry   Cu5FeS4
Hardness   3
Lustre   metallic
Colour   brown to black, purplish-bluish tarnish, bronze colour on freshly broken surfaces
Streak   greyish black
Density [g/cm3]   4.9 - 5.3
Crystal habit   isometric
Cleavage, Fracture   fracture conchoidal
other characteristics and occurrences   massive, granular, often associated with other copper sulfides, disseminated in igneous intrusions and minerals in copper ore veins

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