stromeyerite


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stromeyerite

[′strō‚mī·ə‚rīt]
(mineralogy)
CuAgS A metallic-gray orthorhombic mineral with a blue tarnish composed of silver copper sulfide occurring in compact masses.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
It was found during electron microprobe analysis, associated with bornite, digenite, stromeyerite, and possibly jalpaite.
However, ask what else comes from the Sweet Home mine and, at best, the answer might be pyrite, fluorite and quartz; few people know of the brilliant orange hubnerite or the microscopic stromeyerite. This was not the scenario last century, when lead-silver mining began at the Sweet Home in 1872.
Electron microprobe analyses for 28 elements were completed on 468 crystals of barite, bornite, chalcopyrite, dickite, digenite, dolomite, fluorapatite, fluorite, galena, hubnerite, illite, jalpaite, muscovite, pyrite, quartz, rhodochrosite, sphalerite, stromeyerite, tennantite, tetrahedrite, topaz and triplite.
Even where the galena is "argentiferous," the concentration of silver is [less than] 0.45 weight % - significantly lower than that contained in most of the copper sulfides, bornite, digenite, and tetrahedrite (Table 8), and certainly less than that in the Ag-Cu-sulfides, stromeyerite and jalpaite (?).
Aikinite Alabandite Ankerite Arsenopyrite Bournonite Djurleite Dolomite Emplectite Famatinite Greenockite Gypsum Luzonite Marcasite Matildite Native arsenic Proustite Pyrrhotite (*)Siderite Stromeyerite (*)Vivianite
Stromeyerite is the sole silver sulfide at Kipushi, and seems always to be secondary (Deutzmann, 1961; Devos et al., 1974).