释义 |
cooperite Min. [f. the name of R. A. Cooper, mineralogist: see -ite1.] A steel-grey sulphide of platinum, PtS, occurring in irregular grains in conjunction with other minerals in igneous rocks of the Bushveld, South Africa.
1928Jrnl. Chem. Met. & Min. Soc. S. Afr. XXVIII. 283 Mr. Wartenweiler..expressed the Society's appreciation that Mr. Cooper had been enabled to give them particulars of this new platinum mineral... As he [sc. Cooper] had been the discoverer of the new mineral, it might be named, for instance, Cooperite. 1932Discovery Dec. 385/1 The residues insoluble in aqua regia were named cooperite in recognition of Cooper's pioneer work on the minerals of the Transvaal deposits. 1944C. Palache et al. Dana's Syst. Min. (ed. 7) I. 258 Cooperite... In the concentrates from the platiniferous norites of the Bushveld complex. 1965N. de Kun Min. Resources Afr. 427 In the upper 1–2 inches [of the Merensky Reef] the platinoids occur mainly as sulphides and sulpho-arsenides, sperrylite and cooperite. |