A green variety of chalcedony, valued as a semi-precious stone, and formerly used for carving into intaglios. Also more fully †plasma emerald.
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| 单词 | θ215642 |
| 释义 | society > occupation and work > materials > raw material > gem or precious stone > rock crystal > [noun] > green quartz (2) plasma1577 A green variety of chalcedony, valued as a semi-precious stone, and formerly used for carving into intaglios. Also more fully †plasma emerald. plasm1747 = plasma, n. 1. Obsolete. rare. |
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