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单词 taaffeite
释义

taaffeiten.

/ˈtɑːfʌɪt/
Etymology: < the name of Edward Charles Richard Taaffe (1898–1967), Bohemian-born Irish gemmologist + -ite suffix1.
Mineralogy.
A mauve gemstone similar to spinel, having the composition BeMgAl4O8 and a hexagonal crystal structure.
ΘΚΠ
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
the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > spinel group AB2 O4 > others
picotite1814
franklinite1820
hausmannite1831
hercynite1849
jacobsite1869
hetaerolite1877
trippkeite1881
sapphirine1883
water-spinel1883
manganomagnetite1890
chrome-spinel1892
magnesiochromite1892
magnochromite1892
picrochromite1920
trevorite1921
ulvöspinel1947
taaffeite1951
nickel spinel1961
1951 B. W. Anderson in Gemmologist XX. 76/2 One of the ‘spinels’ gave a rather high refractive index reading and seemed to show double refraction... The second ‘Taaffeite’ was found!
1951 B. W. Anderson & Claringbull in Mineral. Mag. XXIX. 765 The new mineral..has been named taaffeite in honour of its discoverer.
1967 Rocks & Minerals XLII. 803/1 The world's fourth known cut taaffeite was discovered in August of this year.
1974 Jrnl. Gemmology 14 104 The discovery of the new gem mineral Taaffeite reads like a gemmological fairy tale.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1951
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