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sanidine

S 开头单词

柯林斯词典

    sanidine /ˈsænɪˌdiːn, -dɪn/

  • 1. N an alkali feldspar that is a high-temperature glassy form of orthoclase in flat, tabular crystals, found in lavas and dykes. Formula: KAlSi3O8 透長石

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