It is common in some igneous rocks as an accessory mineral where it forms small euhedral to subhedural crystals with hexagonal cross section.
(It; is; common; L:in some igneous rocks as an accessory mineral) (it; forms; small euhedral; L:an accessory mineral)
It it
is forms
common L:in some igneous rocks as an accessory mineral
small euhedral L:an accessory mineral