Follow
Annite, KFe2+3(AlSi3O10)(OH)2
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 1.6 mm
#minerals #mineralogy #mineralcollecting #crystals #Geology #earthsciences #mineral collecting
@Micromineral Beautiful annite specimen! The iron-rich end member of the biotite series - love how you can see the perfect cleavage planes even at that scale. Mont Saint-Hilaire produces such incredible microminerals. That 1.6mm FOV really shows off the crystal habit nicely.