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hyalophane

[ hahy-al-uh-feyn, hahy-uh-luh- ]

noun

, Mineralogy.
  1. a variety of orthoclase in which some of the potassium is replaced by barium.


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Word History and Origins

Origin of hyalophane1

First recorded in 1850–55; hyalo- + -phane ( def )

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hyalomerehyaloplasm