MA
MACAULAYITE
MACDONALDITE
MACEDONITE
MACFALLITE
MACHATSCHKIITE
MACKAYITE
MACKINAWITE
MACPHERSONITE
MACQUARTITE
MADOCITE
MAGADIITE
MAGBASITE
MAGHAGENDORFITE
MAGHEMITE
MAGNESIO-ALUMINO-KATOPHORITE
MAGNESIO-ALUMINO-TARAMITE
MAGNESIO-ANTHOPHYLLITE
MAGNESIO-ARFVEDSONITE
MAGNESIO-AUBERTITE
MAGNESIO-AXINITE
MAGNESIO-FERRI-TARAMITE
MAGNESIOCARPHOLITE
MAGNESIOCHLORITOIDE
MAGNESIOCHROMITE
MAGNESIOCLINOHOLMQUISTITE
MAGNESIOCOPIAPITE
MAGNESIOCUMMINGTONITE
MAGNESIODUMORTIERITE
MAGNESIOFERRIKATOPHORITE
MAGNESIOFERRITE
MAGNESIOGEDRITE
MAGNESIOHASTINGSITE
MAGNESIOHOLMQUISTITE
MAGNESIOHORNBLENDE
MAGNESIOHULSITE
MAGNESIORIEBECKITE
MAGNESIOSADANAGAITE
MAGNESIOTARAMITE
MAGNESITE
, with photos
MAGNESIUM ASTROPHYLLITE
MAGNESIUM ZINNWALDITE
MAGNESIUM-CHLOROPHOENICITE
MAGNESIUM-ZIPPEITE
MAGNETITE
, with photos
MAGNETOPLUMBITE
MAGNIOTRIPLITE
MAGNOCOLUMBITE
MAGNOLITE
MAGNUSSONITE
MAHLMOODITE
MAHNERTITE
MAJAKITE
MAJORITE
MAKATITE
MAKINENITE
MAKOVICKYITE
MALACHITE
, with photos
MALANITE
MALAYAITE
MALDONITE
MALLADRITE
MALLARDITE
MAMMOTHITE
MANAKSITE
MANANDONITE
MANASSEITE
MANDARINOITE
MANGAN-NEPTUNITE
MANGANARSITE
MANGANAXINITE
MANGANBABINGTONITE
MANGANBELYANKINITE
MANGANBERZELIITE
MANGANESE-HORNESITE
MANGANESE-SHADLUNITE
MANGANGORDONITE
MANGANHUMITE
MANGANITE
MANGANOCHROMITE
MANGANOCOLUMBITE
MANGANOLANGBEINITE
MANGANOSEGELERITE
MANGANOSITE
MANGANOSTIBITE
MANGANOTANTALITE
MANGANOTAPIOLITE
MANGANOTYCHITE
MANGANPYROSMALITE
MANJIROITE
MANNARDITE
MANSFIELDITE
MANTIENNEITE
MAPIMITE
MARCASITE
, with photos
MARGARITASITE
MARGARITE
MARGAROSANITE
MARIALITE
MARICITE
MARICOPAITE
MAROKITE
MARRITE
MARSHITE
MARSTURITE
MARTHOZITE
MASCAGNITE
MASLOVITE
MASSICOT
MASUTOMILITE
MASUYITE
MATHEWROGERSITE
MATHIASITE
MATILDITE
MATLOCKITE
MATRAITE
MATTAGAMITE
MATTEUCITE
MATTHEDDLEITE
MATULAITE
MATVEEVITE = BENYACARITE (?)
MAUCHERITE
MAUFITE
MAWBYITE
MAWSONITE
MAXWELLITE
MAYENITE
MAZZITE