Mica waa mid ka mid ah macdanta ugu weyn ee samaysa dhagaxa, crystal-kuna waxa uu leeyahay qaab-dhismeed lakabyo ah oo gudaha ah, sidaas darteed waxa uu soo bandhigayaa crystal flake hexagonal.Mica waa erey guud oo loogu talagalay kooxda mica ah ee macdanta, oo ay ku jiraan biotite, phlogopite, muscovite, lepidolite, sericite, iyo lepidolite.Guryaha Macdanta ah ee...
Akhri wax dheeraad ah