demantoid

[ dih-man-toid ]

noun

, Mineralogy.

1. a brilliant green variety of andradite garnet, used as a gem.

demantoid

/ dɪˈmæntɔɪd /

noun

1. a bright green variety of andradite garnet

Word History and Origins

Origin of demantoid¹

1890–95; < German, equivalent to (obsolete) Demant diamond (< Middle High German diemant < Old French diamant ) + -oid -oid

Word History and Origins

Origin of demantoid¹

C19: from German, from obsolete Demant diamond, from Old French diamant + -oid

Example Sentences

The luster, too, is diamond-like as the name "demantoid" signifies.

From Project Gutenberg

Green garnets are of two kinds, the calcium-iron garnet, known as demantoid, and the calcium-chromium garnet known as uvarovite.

From Project Gutenberg

The demantoid garnet (sometimes called "olivine" in the trade).

From Project Gutenberg

The demantoid garnet is also very soft as compared with emerald (61⁄2 as against nearly 8).

From Project Gutenberg

As was explained under garnet, jewelers frequently use the term "olivine" to designate demantoid garnet.

From Project Gutenberg