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单词 ruby zinc
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> as lemmas

ruby zinc
ruby zinc n. Mineralogy zincite, or (in later use) sphalerite, of a red variety.
ΚΠ
1862 Proc. Boston Soc. Nat. Hist. 8 145 Its polish and beauty entitle it [sc. a pure form of zincite] to rank with the gems; Mr. Alger proposed for it the new name of Ruby Zinc.
1896 A. H. Chester Dict. Names Minerals 237 Ruby-zinc, a popular name for..sphalerite of a deep-red color, and also for zincite with the same characteristics.
1910 Encycl. Brit. IV. 58/1 Transparent blende of a red or reddish-brown colour, such as that found near Holywell in Flintshire, is known as ‘ruby-blende’ or ‘ruby-zinc’.
1998 C. S. Hurlbut & W. E. Sharp Dana's Minerals (ed. 4) vii. 155 In the rare perfectly pure specimen, sphalerite is clear and nearly colorless... Some crystals, known as ruby zinc, are red.
extracted from rubyn.1adj.
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