Natura - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Lapideum Regnum nom. inval. - mineral kingdom
         Class Petrae - stones
           Order Calcarii - calcareous stones
             4 Genus Marmor
             5 Genus Spatum - feldspar see feldspar
             6 Genus Schistus