= onyx, n. 1.
| 单词 | θ7013 | 
| 释义 | the world > the earth > minerals > types of mineral > silicates > tectosilicate > 			[noun]		 > quartz > cryptocrystalline quartz > chalcedony > onyx (7)		 onyclec1300 = onyx, n. 1. onyxc1330 A form of chalcedony consisting of plane layers of different colours, much used in jewellery. Also onyx stone. onychinea1382 = onyx, n. 1. nychometc1450 A piece of onyx. Subcategories:— 			varieties			(3)		  | 
	
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