epidote
a mineral, calcium aluminum iron silicate, Ca2(Al, Fe)3Si3O12(OH), occurring in green prismatic crystals.
Origin of epidote
1Other words from epidote
- ep·i·dot·ic [ep-i-dot-ik], /ˌɛp ɪˈdɒt ɪk/, adjective
Words Nearby epidote
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use epidote in a sentence
Crystalline epidote, and whitish quartz, apparently from a vein.
Purplish-brown epidote, with small nests or concretions of green epidote and quartz; forming a sort of amygdaloid.
Conglomerate, containing angular fragments of yellowish-grey quartz-rock, in a base of compact epidote.
A nearly uniform greenish compound of epidote intimately mixed with quartz, also occurs at this place.
Whether the colour depends upon epidote, chlorite, or some other substance, we were not able to determine.
British Dictionary definitions for epidote
/ (ˈɛpɪˌdəʊt) /
a green mineral consisting of hydrated calcium iron aluminium silicate in monoclinic crystalline form: common in metamorphic rocks. Formula: Ca 2 (Al,Fe) 3 (SiO 4) 3 (OH)
Origin of epidote
1Derived forms of epidote
- epidotic (ˌɛpɪˈdɒtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for epidote
[ ĕp′ĭ-dōt′ ]
A yellowish-green or blackish-green monoclinic mineral. Epidote occurs as formless grains or as prism-shaped crystals, and is found in limestones that have undergone slight metamorphism or in igneous rocks. Chemical formula: Ca2(Al, Fe)3(SiO4)3OH.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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