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demantoid Syllabification: de·man·toid
Pronunciation: /dəˈmantoid/

Definition of demantoid in English:


A lustrous green variety of andradite (garnet).
Example sentences
  • The main uses of garnets are for abrasives and grinding materials; they also provide semi-precious gemstones such as rhodolite, demantoid, and grossular.
  • The dragonflies' backs are composed of graduated black opals and the heads are of pink opals with demantoid garnet eyes.
  • The third major find in recent years is green andradite, some of which may be considered demantoid.


Late 19th century: from German, from Demant 'diamond'.

Definition of demantoid in:
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