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 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 Wade, Frank Bertram
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 Wade, Frank Bertram
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
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 Wade, Frank Bertram
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.