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euclase

American  
[yoo-klays, -klayz] / ˈju kleɪs, -kleɪz /

noun

  1. a rare green or blue mineral, beryllium aluminum silicate, BeAlSiO 4 (OH), occurring in prismatic crystals.


Etymology

Origin of euclase

From French, dating back to 1795–1805; see origin at eu-, -clase

Example Sentences

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See Examples For:

It never occurs naturally in the free state, but is always combined, usually with silica or alumina, or both; as in the minerals phenacite, chrysoberyl, beryl or emerald, euclase, and danalite.

From The Gutenberg Webster's Unabridged Dictionary Section F, G and H by Project Gutenberg

Some other minerals in which it occurs are phenakite, euclase, and chrysoberyl.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Cornelius Beringer

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