steenstrupine (English, noun)
expansion: steenstrupine (uncountable)
Senses:
topics: chemistry
geography
geology
mineralogy
natural-sciences
physical-sciences
glosses: A rare dark brown mineral, (La,Ca,Na)(Al,Fe,Mn)(Si,P)(O,OH,F)₄, found in Greenland, occurring in rhombohedral crystals or massive formations.
tags: uncountable
Forms: