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EB1911 - Volume 01 - Page 001 - 1.svg This entry lacks etymological information. If you are familiar with the origin of this term, please add it to the page per etymology instructions. You can also discuss it at the Etymology scriptorium.
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? +‎ -morph


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.


Derived terms[edit]