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单词 spinel ruby
释义

> as lemmas

spinel ruby
b. More fully in spinel ruby.
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society > occupation and work > materials > raw material > gem or precious stone > spinel > [noun]
balas1414
spinel1528
spinelle1555
espinel?1590
balas-ruby1596
rubicelle1653
spinel ruby1668
ruby spinel1796
spinelle ruby1802
sapphirine1883
taaffeite1951
1668 W. Charleton Onomasticon Zoicon 277 Rubinus Spinellus, the Spinel Ruby.
1753 Chambers's Cycl. Suppl. at Ruby The second is the spinal ruby. Under this name they [jewellers] know those rubies, which are of a somewhat less deep..colour, than what they call the true ruby.
1794 R. Kirwan Elements Mineral. (ed. 2) I. 253 Spinell and Balass Rubies.
1815 J. Smith Panorama Sci. & Art II. 411 In the emerald it [sc. chromium] exists in the state of green oxide, and the spinal ruby contains it in the state of an acid.
1839 A. Ure Dict. Arts 391 If..we make the edges of a spinel ruby..curvilinear.
1883 Encycl. Brit. XVI. 386/2 Varieties are—Spinel ruby when scarlet, Balas Ruby when rose-red.
extracted from spineln.
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as lemmas
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