agpaite

agpaite

[′ag·pə‚īt]
(petrology)
A group of igneous rocks containing feldspathoids; includes naujaite, lujavrite, and kakortokite.
References in periodicals archive ?
Mineral associations from Burpala are typical of alkaline massifs with an intermediate position between miaskite and agpaite alkaline rocks; the associations are similar to the mineralogy of alkaline pegmatites from Langesundfjord (southern Norway) and Colorado (USA).