demantoidn.

/diːˈmantɔɪd/

Etymology: < German demantoid.

A green variety of andradite having a brilliant lustre.

ΚΠ

1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) 442 Demantoid is a grass green to emerald-green variety [of garnet] with brilliant luster.

1897 Edinb. Rev. Oct. 346 The demantoid or Bobrovka garnet.

1920 Brit. Museum Return 144 Demantoid with fibrous enclosures.

1957 Encycl. Brit. X. 29/2 The grass green demantoid is used as a gemstone and possesses high refractive and dispersive power.

1971 Materials & Technol. II. viii. 519 By far the most valued garnet at the present time is the brilliant green demantoid.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2018).

单词	demantoid
释义	demantoidn. /diːˈmantɔɪd/ Etymology: < German demantoid. A green variety of andradite having a brilliant lustre. ΚΠ 1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) 442 Demantoid is a grass green to emerald-green variety [of garnet] with brilliant luster. 1897 Edinb. Rev. Oct. 346 The demantoid or Bobrovka garnet. 1920 Brit. Museum Return 144 Demantoid with fibrous enclosures. 1957 Encycl. Brit. X. 29/2 The grass green demantoid is used as a gemstone and possesses high refractive and dispersive power. 1971 Materials & Technol. II. viii. 519 By far the most valued garnet at the present time is the brilliant green demantoid. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2018). < n.1892
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