digenite


Also found in: Wikipedia.

digenite

[′dī·jə‚nīt]
(mineralogy)
Cu9S5 A blue to black mineral consisting of an isometric copper sulfide having a variable deficiency in copper. Also known as alpha chalcocite; blue chalcocite.
References in periodicals archive ?
The chalcocite/ digenite is converted to copper sulphate and the gold reports to the residue.
The powder diffraction pattern was consistent with the digenite phase of copper sulfide that has a stoichiometry of [Cu.
Dominant sulphide minerals are chalcopyrite, pyrite and bornite with subordinate chalcocite and digenite.
The uranium minerals are accompanied by chalcopyrite, digenite and malachite, all copper minerals and some gold.
There is also minor galena, tennantite, and digenite.
Today the Butte mines are closed and flooded, but its mineralogical legacy of fine specimens remains--most noteably the copper sulfide and sulfosalt minerals such as bornite, chalcocite, chalcopyrite, colusite, covellite, digenite, djurleite, and enargite, and other minerals such as barite, pyrite, quartz and silver.
The predominant economic sulphide minerals are chalcocite, digenite, bornite, carrollite and chalcopyrite.
Mineralization in the enrichment blanket is dominated by black sooty chalcocite, with lesser digenite and covellite.
Digenite, bornite, and chalcopyrite are the major Cu minerals.
0% Cu, comprises mainly chalcopyrite, bornite, digenite and molybdenite.
More than 90 percent of the copper mineralization, all of which occurs below the gold cap, is chalcocite, digenite and minor chalcopyrite and cuprite.
Evidently he was satisfied with the amount I paid him, as he continued to send me more nice crystal specimens from Butte, including rhodochrosite, enargite, digenite and covellite.