单词 | tincalconite |
释义 | tincalconite [tin`kal·kǝ´nīt] MINERALOGY Na2B4O7⋅5H2O A colorless to dull-white mineral, crystallizing in the rhombohedral system; one of the principal ores of borax and boron compounds. Also known as mohavite; octahedral borax. |
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