Macrocryst

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A relatively large crystal occurring in a mineral deposit, usually defined as one between 0.5 mm and 10 mm in size.

    "The sanidines were loose macrocrysts and their difference in ages suggests that they were derived from two separate flows."

Example

More examples

"The sanidines were loose macrocrysts and their difference in ages suggests that they were derived from two separate flows."

Etymology

From macro- + -cryst. First defined by Clement & Skinner in 1979 in their paper "A textural genetic classification of kimberlite rocks" published in Kimberlite Symposium IIhttp://books.google.com/books?id=QWjAHAAACAAJ.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.