| 单词 | rainbow chalcedony |
| 释义 | > as lemmasrainbow chalcedony ΚΠ 1865 D. Page Handbk. Geol. Terms (ed. 2) 382 Rainbow Chalcedony, a variety of chalcedony consisting of thin concentric layers, which when cut across exhibit an iridescence resembling the colours of the rainbow. < as lemmas |
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