macrocryst

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noun

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

Scrabble 19
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Meanings

nounmacrocryst (plural macrocrysts)

plural macrocrysts

  1. chemistryA 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.

    2000 March 31, Bradley R. Hacker et al., “Hot and Dry Deep Crustal Xenoliths from Tibet”, in Science, volume 287, number 5462, →DOI, pages 2463–2466

Origin

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.

Full word history & related roots →
Cite this entry
APA

macrocryst. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/macrocryst

MLA

“macrocryst.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/macrocryst. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “macrocryst,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/macrocryst.

Source: macrocryst on Wiktionary, CC BY-SA 4.0.