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单词 parkerite
释义 parkerite Min.|ˈpɑːkəraɪt|
[f. the name of R. L. Parker (b. 1893) of Zurich + -ite1.]
A sulphide of nickel, bismuth, and lead, Ni3(Bi,Pb)2S2, occurring as orthorhombic crystals with a metallic lustre.
1936D. L. Scholtz in Publ. Univ. Pretoria 2nd Ser. i. 186 The new minerals F and G were first recognised towards the end of the year 1932..when the writer benefited greatly by the valued advice and criticism of Professors P. Niggli and R. Parker. The author, therefore, proposes the name ‘Niggliite’ for the former (F), and ‘Parkerite’ for the latter (G).1943Amer. Mineralogist XXVIII. 345 Single grains of parkerite..are bright bronze coloured with brilliant metallic lustre on fresh fractures, becoming darker and dull on tarnished surfaces.1969Canad. Mineralogist IX. 610 The parkerite in the Great Slave Lake area occurs as small inclusions in niccolite and is associated with native bismuth.
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