Mica na roba da aka sani da fluoro phlogopite.An yi shi daga albarkatun albarkatun ƙasa ta hanyar narkewar zafi mai zafi, sanyaya da crystallization.Juzu'in wafer guda ɗaya shine KMg3 (AlSi3O10) F2 , wanda ke cikin tsarin monoclinic kuma silicate ne na yau da kullun.