demantoid
Americannoun
noun
Etymology
Origin of demantoid
1890–95; < German, equivalent to (obsolete) Demant diamond (< Middle High German diemant < Old French diamant ) + -oid -oid
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Two items from the Chelsea Antique Fair in London: left, an 1875 frog brooch, set with demantoid garnets and ruby eyes; right, a pickling jar, circa 1880.
From New York Times ● Mar. 20, 2011
The green garnet that is called "olivine" in the trade also approaches diamond in luster, hence the name "demantoid," or diamond like, sometimes applied to it.
From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Frank Bertram Wade
As was explained under garnet, jewelers frequently use the term "olivine" to designate demantoid garnet.
From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Frank Bertram Wade
The luster, too, is diamond-like as the name "demantoid" signifies.
From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Frank Bertram Wade
The hardness is only 6.5, or lower even than that of quartz—a character rather adverse to the use of demantoid as a gem.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 "David, St" to "Demidov" by Various
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