allotriomorphic


Also found in: Dictionary, Wikipedia.

allotriomorphic

[ə¦lä·trē·ə¦mȯr·fik]
(mineralogy)
Of minerals in igneous rock not bounded by their own crystal faces but having their outlines impressed on them by the adjacent minerals. Also known as anhedral; xenomorphic.
References in periodicals archive ?
It consists of plagioclase, quartz, and less abundant orthoclase in allotriomorphic granular texture with less than 5% chlorite (after biotite).
allotriomorphic to hypidiomorphic equigranular; locally inequigranular 3 Carrying Cove m.
The metallographic analysis showed us that the microstructure after thixoforming consists of polyhedral austenite grains which are bordered by allotriomorphic carbide structure after deformation.