tourmaline
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Englisch
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/14/Tourmaline.xtal.750pix.jpg/220px-Tourmaline.xtal.750pix.jpg)
Etymology
[edit]From French tourmaline, ultimately from Sinhalese තෝරමල්ලී (tōramallī, “carnelian”)
Pronunciation
[edit]Nomen
[edit]tourmaline (countable and uncountable, plural tourmalines)
- (mineralogy) A complex black or dark-coloured borosilicate mineral, compounded with various chemical elements and considered a semi-precious stone.
- 2012 March, Lee A. Groat, “Gemstones”, in American Scientist[1], volume 100, number 2, archived from the original on 14 June 2012, page 128:
- Although there are dozens of different types of gems, among the best known and most important are […] . (Common gem materials not addressed in this article include amber, amethyst, chalcedony, garnet, lazurite, malachite, opals, peridot, rhodonite, spinel, tourmaline, turquoise and zircon.)
- A transparent gemstone cut from it.
Hyponyms
[edit]Related terms
[edit]Translations
[edit]both senses
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Anagrams
[edit]French
[edit]Pronunciation
[edit]Nomen
[edit]tourmaline f (plural tourmalines)
Further reading
[edit]- “tourmaline”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
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- fr:Gems