Bornite, Copper Sulphides, Calcite
Diabase quarry, Bad Bleiberg, Villach-Land District, Carinthia, Austria
Inclusions of bornite (dark grey) in a copper sulphide (grey, with approximate formula Cu2S, probably djurleite or chalcocite), in calcite matrix. The copper sulphide is partially bordered by a secondary efflorescent growth of a copper sulphide originated after preparing the polished sample. SEM micrograph.
The association of bornite within ...
© Franz Brandstätter & Uwe Kolitsch