diopside

American  

[dahy-op-sahyd, -sid] / daɪˈɒp saɪd, -sɪd /

noun

Mineralogy.

1. a monoclinic pyroxene mineral, calcium magnesium silicate, CaMg(SiO3 ) 2 , occurring in various colors, usually in crystals.

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diopside British  

/ -sɪd, daɪˈɒpsaɪd /

noun

1. 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

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diopside Scientific  

/ dī-ŏp′sīd′ /

1. A light green, monoclinic variety of pyroxene, used as a gemstone and as a refractory material. Chemical formula: CaMgSi ₂ O ₆ .

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Etymology

Origin of diopside

1800–10; di- ³ + Greek óps(is) appearance + -ide ( def. )

Example Sentences

Greek jewelry designer Ileana Makri's graceful multi-shaped branch ear cuff is made of 18-karat gold set with round yellow sapphire, square rhodolite and oval chrome diopside with pear-shaped orange sapphire.

From Los Angeles Times • Nov. 16, 2015

The augite is mostly a variety of diopside and is only occasionally idiomorphic.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" by Various

Being isomorphous with augite, crystals intermediate in composition between augite or diopside and aegirite are not uncommon, and these are known as aegirine-augite or aegirine-diopside.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

The primary deposition was of chalcopyrite and other copper sulphides, together with garnet, diopside, and other minerals known to have required high temperature in their formation.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

It varies in color from white to dark green and black, and includes many varieties differing in color and composition, as diopside, malacolite, salite, coccolite, augite, etc.

From The Gutenberg Webster's Unabridged Dictionary Section P and Q by Project Gutenberg