| 单词 | tiger-stone | 
| 释义 | > as lemmastiger-stone ΘΚΠ the world > the earth > minerals > types of mineral > halides > 			[noun]		 > fluorite group > calcium fluoride fluorspar?1770 Derbyshire spar1772 fluor1772 tiger-stone1829 fluorite1844 spodiosite1887 1829    S. Glover Hist. County of Derby I. 94  				Fluor with barytes, commonly called tiger-stone, being opaque, and full of dirty brown spots. < as lemmas | 
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