单词 pycnite 释义 pycnite Min.|pknat|[mod. (Hay 1801) f. Gr. - thick, dense + -ite1.]A variety of topaz occurring in columnar aggregations.1802Bournon in Phil. Trans. XCII. 321 The stone called schorlartiger beryl by Werner (the pycnite of the Abb Hauy)....