a monoclinic pyroxene mineral, calcium magnesium silicate, CaMg(SiO3)2, occurring in various colors, usually in crystals.
Origin of diopside
+ Greek óps(is)
appearance + -ide
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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Historical Examples of diopside
British Dictionary definitions for diopside
a colourless or pale-green pyroxene mineral consisting of calcium magnesium silicate in monoclinic crystalline form: used as a gemstone. Formula: CaMgSi 2 O 6
Word Origin for diopside
C19: from di- ² + Greek opsis sight, appearance + -ide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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A light green, monoclinic variety of pyroxene, used as a gemstone and as a refractory material. Chemical formula: CaMgSi2O6.
The American Heritage® Science Dictionary
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