maskelynite

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English

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Etymology

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From Maskelyne +‎ -ite, after Mervyn Herbert Nevil Story Maskelyne, British geologist.

Noun

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maskelynite (countable and uncountable, plural maskelynites)

English Wikipedia has an article on:
Wikipedia
  1. (mineralogy) A glassy phase found in some meteorites and impact craters, typically similar in composition to plagioclase feldspar.