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单词 demantoid
释义
demantoid
(once / 437753 pages)
n

WORD FAMILY
demantoid
USAGE EXAMPLES
Demantoid is regarded as a lime-iron garnet, coloured probably by a small proportion of chromium.
Various, Encyclopaedia Britannica, 11th Edit...(2012)
The luster, too, is diamond-like as the name "demantoid" signifies.
Wade, Frank Bertram, A Text-Book of Precious Stones for...(2010)
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.
Various, Encyclopaedia Britannica, 11th Edit...(2012)
n a green andradite used as a gemstone
Hyper
andradite
a garnet consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black; used as gemstone
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