| 释义 |
plumbian, a. Min.|ˈplʌmbɪən|
[f. L. plumb-um lead + -ian 2.]
Of a mineral: having a (small) proportion of a constituent element replaced by lead.
1930W. T. Schaller in Amer. Mineralogist XV. 571 Lead—plumbian. 1944C. Palache et al. Dana's Syst. Min. (ed. 7) I. 804 Var. Ordinary. Calcium and uranium... Plumbian... With PB:U = 3:8 (anal. 1). Titanian. With Ti:Cb + Ta:Fe3 = 9:3:1 (anal. 6). 1968I. Kostov Mineralogy ii. ii. 169 The following varieties are recognized: (a) of tetrahedrite—ordinary, zincian, ferroan,..plumbian, nickelian, etc. |