phengite
Appearance
English
[edit]Etymology
[edit]From Latin phengites, from Ancient Greek φέγγος (phéngos). Doublet of fengite.
Pronunciation
[edit]Noun
[edit]phengite (countable and uncountable, plural phengites)
- (mineralogy) Any of a series of dioctahedral micas of composition K(AlMg)2(OH)2(SiAl)4O10, similar to muscovite but with addition of magnesium.