Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         "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]