单词 | labradorite |
释义 | Word Frequency labradorite(ˌlæbrəˈdɔːraɪt) noun a blue, green, or reddish-brown feldspar mineral of the plagioclase series: used as a decorative stone. Formula: CaAl2 Si2O8.NaAlSi3O8 Word origin C18: named after Labrador , where it was found; see -ite1 |
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