M

I minerali in rosso sono stati trovati per la prima volta al mondo nel Lazio.


   Maghemite                         Fe2O3
   Magnesioferrite                  MgFe2O4
   Magnetite                           Fe2+Fe3+2O4
   Malachite                           Cu22+CO3(OH)2
   Manganite                          Mn3+O(OH)
   Marcasite                           FeS2
   Meionite                             3CaAl2Si2O8· CaCO3
   Melanterite                         (Fe2+,Cu)SO4· 7H2O 
   Melilite                               Ca2(Mg,Al)(Si,Al)2O7
   Mercurio                            Hg
   Merlinoite                          (K,Ca,Na,Ba)7Si23Al9O64· 23H2O
   Microclino                          KAlSi3O8
   Microssommite                  (Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4,CO3)3-2· H2O
   Mimetite                            Pb5(AsO4)3Cl
   Monazite–(Ce)                  (Ce,La,Nd,Th)PO4
   Monticellite                       CaMgSiO4
   Montmorillonite                 (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2· nH2O