allotriomorph

English

Etymology

Classical compound, Ancient Greek ἀλλότριος (allótrios, “foreign”) +‎ -morph.

Noun

allotriomorph (plural allotriomorphs)

  1. (geology) A mineral that did not develop its otherwise typical external crystal form because of late crystallization between earlier formed crystals, typical of matrix minerals in rapidly crystallizing volcanic lavas and shallow igneous intrusions.

Synonyms

Derived terms

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