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单词 oligoclase
释义 oligoclase Min.|ˈɒlɪgəʊkleɪs|
[Named 1826, f. oligo- + Gr. κλάσις breaking, fracture; because thought to have a less perfect cleavage than albite.]
A lime- and soda-felspar, resembling albite, of light grey, yellow or greenish colour, occurring either in crystals or massive.
1832Shepard Min. 246 Oligoklase.1849Nicol Min. 129 Oligoclase occurs in granite and gneiss.1863S. R. Graves Yacht. Cruise to Baltic 142 The felspar of this quarry is of two kinds, orthoclase and oligoclase, in large masses, the former pink, the latter quite white; both..equally in demand for the manufacture of porcelain.
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更新时间:2024/9/20 6:31:22