umptekite (English, noun)
expansion: umptekite (countable and uncountable, plural umptekites)
Senses:
topics: chemistry
geography
geology
mineralogy
natural-sciences
physical-sciences
glosses: A syenitic rock consisting of microperthite, arfvedsonite, aegirine and, possibly, nepheline.
tags: countable
uncountable
Forms:
form: umptekites
tags: plural