单词 | star quartz |
释义 | > as lemmasstar quartz C8. Mineralogy. Forming the names of gemstones which exhibit asterism, as star diamond, †star gem, star quartz, star ruby, star sapphire; cf. star stone n. ΘΚΠ society > occupation and work > materials > raw material > gem or precious stone > rock crystal > [noun] > chalcedony > cat's eye cat's-eye1588 star gem1693 sunstone1794 society > occupation and work > materials > raw material > gem or precious stone > [noun] > exhibiting asterism star stone1652 star sapphire1798 1693 S. Dale Pharmacologia 100 Asteria gemma, Offic. The Bastard-Opal or Star-Gemm. 1798 Philos. Trans. (Royal Soc.) 88 448 When the reflection is compounded of rays which intersect each other, and appear to diverge from a common centre, I call them star-stones..or star-sapphires. 1874 D. Page Econ. Geol. xvii. 276 There are other varieties, such as asteriated (star-quartz), avanturine (spangled-quartz), &c. used for ornamental purposes. 1976 Sci. Amer. Apr. 94/2 A type of opal new to us has recently been mined near Spencer, Idaho. It is a star opal that shows streaks of colour in symmetrically arranged angular patterns similar to the rays of a star sapphire. 2012 Altoona (Pa.) Mirror 8 Jan. b4 (advt.) Star sapphires and star rubies are gems of rare beauty. < as lemmas |
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