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glaucophane

Syllabification: glau·co·phane
Pronunciation: /ˈɡlôkəˌfān
 
/

Definition of glaucophane in English:

noun

A bluish sodium-containing mineral of the amphibole group, found chiefly in schists and other metamorphic rocks.
Example sentences
  • The mineral glaucophane, for example, has a pleochroism scheme of colourless, lavender, and sky blue.
  • Some melange inclusions locally preserve glaucophane overprinted by actinolite.
  • Undated glaucophane schists in the suture zone in Transbaikalia confirm the operation of subduction processes.

Origin

mid 19th century: from German Glaukophan, from Greek glaukos 'bluish-green' + -phanēs 'shining'.

Definition of glaucophane in:

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