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macrocryst. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
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 II.
Noun
macrocryst (plural macrocrysts)
- (mineralogy) A relatively large crystal occurring in a mineral deposit, usually defined as one between 0.5 mm and 10 mm in size.
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:The sanidines were loose macrocrysts and their difference in ages suggests that they were derived from two separate flows.