polymignyte (English, noun)
expansion: polymignyte (countable and uncountable, plural polymignytes)
Senses:
topics: chemistry
geography
geology
mineralogy
natural-sciences
physical-sciences
glosses: A mineral consisting of columbate (a compound containing the element niobium) and oxides of the cerium group of elements with iron and calcium.
tags: countable
uncountable
Forms:
form: polymignytes
tags: plural
form: polymignite
tags: alternative