Definition of demantoid in English:
demantoid
noun dɪˈmantɔɪddəˈmantoid
mass nounA lustrous green variety of andradite (garnet).
Example sentencesExamples
- Superimposed on the spray is a diamond and demantoid garnet butterfly.
- 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.
- Five slightly smaller clusters encircle the center, each with a faceted demantoid green garnet at its center.
Origin
Late 19th century: from German, from Demant 'diamond'.