英语词汇“bertrandite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	bertrandite
释义	bertrandite bertrandite [′bər·trən‚dīt] (mineralogy) Be₄Si₂O₇(OH)₂ A colorless or pale-yellow mineral consisting of a beryllium silicate occurring in prismatic crystals; hardness is 6-7 on Mohs scale, and specific gravity is 2.59-2.60.
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