Macrocryst definition

(mineralogy) A relatively large crystal occurring in a mineral deposit, usually defined as one between 0.5 mm and 10 mm in size.
noun
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Other Word Forms

Noun

Singular:
macrocryst
Plural:
macrocrysts

Origin of macrocryst

  • macro- +‎ cryst. First defined by Clement & Skinner in 1979 in their paper "A textural genetic classification of kimberlite rocks" published in Kimberlite Symposium II.

    From Wiktionary