Muscovite Mineral Information photos and Facts, gems
Muscovite Mineral Facts: Chemical Formula: KAl 2 (AlSi 3 O 10)(F,OH) 2 While predominantly a potash mica, nearly all muscovite contains some soda, due to the isomorphous mixture of the paragonite molecule. It also frequently contains small amounts of ferrous and ferric iron, magnesium, calcium, sodium, lithium, fluorine, titanium, etc.