allotriomorph (English, noun)
expansion: allotriomorph (plural allotriomorphs)
Senses:
topics: geography
geology
natural-sciences
glosses: 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.
Forms:
form: allotriomorphs
tags: plural