oikocryst

oikocryst

[′ȯik·ə‚krist]
(petrology)
One of the enclosing crystals in a poikilitic fabric.
References in periodicals archive ?
Higgins and Roberge (2003) have shown that the Communicating Neighbors Model textural coarsening could also be a response to amphibole oikocrysts existence.
These rocks are dominated by subhedral to euhedral partly serpentinized olivine enclosed in largely chloritized pyroxene oikocrysts.