In this locality digenite is found with covellite, chalcocite and bornite.
2.
There are three polymorphs of digenite, high, metastable and low.
3.
High digenite is isostructural with bornite Cu 5 FeS 4.
4.
There is a complete solid solution series between high digenite and berzelianite Cu 2-x Se ( x ~ 0.12 ).
5.
Metastable digenite forms on cooling from 73 �C . It appears to be isometric with space group Fdm and a = 27.85 ?
6.
Metallic minerals identified at Pebble include pyrite, chalcopyrite, molybdenite, and bornite, along with minor covellite, chalcocite, digenite and magnetite.
7.
Digenite is a black to dark blue opaque mineral that crystallizes with a type locality is Sangerhausen, Thuringia, Germany, in copper slate deposits.
8.
In the Deflector and Deflector West Cu-Au lode deposits of the Gullewa Greenstone Belt, Western Australia, digenite is an important constituent of the transitional Cu-Au ore.
9.
At the type locality it occurs associated with magnetite, sphalerite, pyrrhotite, pyrite, arsenopyrite, chalcopyrite, digenite, bornite, molybdenite, galena, native bismuth and bismuthinite.
10.
High digenite is stable above 73 �C, with space group Fmm and unit cell parameters a = 5.57 ?and Z = 1 for formula Cu 7.2-x S 4.
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