[Natura] - nature crystal-kingdom minerals constituting rocks Quartz, and Silicates containing alumina, without water mica 01 muscovite [KAl2Si3AlO10(OH,F)2] - common mica 02 phlogopite [KMg3AlSi3O10(OH,F)2] 03 biotite [K(Mg,Fe)3AlSi3O10(OH,F)2]