| 单词 | oligoclase |
| 释义 | Word Frequency oligoclase(ˈɒlɪɡəʊˌkleɪs) noun a white, bluish, or reddish-yellow feldspar mineral of the plagioclase series, consisting of aluminium silicates of sodium and calcium. Formula: NaAlSi3O8.CaAl2 Si2O8 Word origin C19: from oligo- + -clase |
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