maghagendorfite
A monoclinic-prismatic greenish black mineral containing iron, magnesium, manganese, oxygen, phosphorus, and sodium.

maghemite
A magnetic mineral with a grey blue, white, or brown shade.

magnesiocarpholite
An orthorhombic-dipyramidal mineral containing aluminum, hydrogen, magnesium, oxygen, and silicon.

magnesiocarpholites
plural of magnesiocarpholite

magnesiochloritoid
A monoclinic-prismatic mineral containing aluminum, hydrogen, magnesium, oxygen, and silicon.

magnesiochromite
A chromite species with the formula MgCr₂O₄.

magnesiocoulsonite
An isometric-hexoctahedral black mineral containing magnesium, oxygen, and vanadium.

magnesiodumortierite
An orthorhombic-dipyramidal mineral containing aluminum, boron, hydrogen, magnesium, oxygen, silicon, and titanium.

magnesiofoitite
A trigonal-ditrigonal pyramidal pale bluish gray mineral containing aluminum, boron, hydrogen, magnesium, oxygen, and silicon.

magnesiohastingsite
A monoclinic-prismatic green mineral containing aluminum, calcium, hydrogen, iron, magnesium, oxygen, silicon, and sodium.

magnesiohornblende
Any hornblende mineral that is rich in magnesium

magnesiohornblendes
plural of magnesiohornblende

magnesiohulsite
A monoclinic-prismatic black mineral containing boron, iron, magnesium, oxygen, and tin.

magnesiokatophorite
A monoclinic-prismatic mineral containing aluminum, calcium, hydrogen, magnesium, oxygen, silicon, and sodium.

magnesioludwigite
Synonym of ludwigite.

magnesioriebeckite
A monoclinic mineral containing iron, magnesium, hydrogen, oxygen, silicon, and sodium.

magnesiosadanagaite
A monoclinic-prismatic brownish black mineral containing aluminum, calcium, chromium, hydrogen, iron, magnesium, manganese, oxygen, potassium, silicon, sodium, and titanium.

magnesiostaurolite
A monoclinic-prismatic colorless mineral containing aluminum, hydrogen, iron, lithium, magnesium, oxygen, silicon, titanium, and zinc.

magnesiotaramite
A monoclinic-prismatic green mineral containing aluminum, calcium, hydrogen, iron, magnesium, oxygen, silicon, and sodium.

magnetoplumbite
A hexagonal-dihexagonal dipyramidal gray mineral containing aluminum, calcium, iron, lead, manganese, oxygen, and titanium.

magnussonite
An isometric-hexoctahedral mineral containing arsenic, chlorine, hydrogen, manganese, and oxygen.

mahnertite
A tetragonal-trapezohedral mineral containing arsenic, calcium, chlorine, copper, hydrogen, oxygen, and sodium.

maitlandite
Synonym of thorogummite.

majakite
A hexagonal gray white mineral containing arsenic, nickel, and palladium.

majzlanite
A grey monoclinic mineral, found in Russia.

makarochkinite
A triclinic-pinacoidal black mineral containing aluminum, beryllium, calcium, iron, magnesium, manganese, niobium, oxygen, silicon, sodium, tantalum, and titanium.

makatite
A monoclinic-prismatic mineral containing hydrogen, oxygen, silicon, and sodium.

makovickyite
A monoclinic-prismatic gray mineral containing bismuth, silver, and sulfur.

malacolite
diopside

malacolites
plural of malacolite

malanite
An isometric-hexoctahedral mineral containing copper, iridium, platinum, and sulfur.

malayaite
A monoclinic-prismatic mineral containing calcium, oxygen, silicon, and tin.

maldonite
An isometric-hexoctahedral mineral containing bismuth and gold.

maleevite
An orthorhombic-dipyramidal white mineral containing barium, boron, oxygen, and silicon.

malinkoite
A hexagonal-pyramidal mineral containing boron, oxygen, silicon, and sodium.

malinowskite
A variety of tetrahedrite that contains lead.

malladrite
A trigonal-trapezohedral mineral containing fluorine, silicon, and sodium.

mallardite
A monoclinic-prismatic mineral containing hydrogen, manganese, oxygen, and sulfur.

mallestigite
A hexagonal-trapezohedral colorless mineral containing antimony, arsenic, hydrogen, lead, oxygen, and sulfur.

maltha
A thick mineral pitch.
Mineral tar.
Any similar preparation used by the ancients as a cement, stucco, or mortar.

malthas
plural of maltha

manaksite
A triclinic-pinacoidal mineral containing manganese, oxygen, potassium, silicon, and sodium.

manandonite
A triclinic-pedial mineral containing aluminum, boron, hydrogen, lithium, oxygen, and silicon.

manasseite
A hexagonal-dihexagonal dipyramidal mineral containing aluminum, carbon, hydrogen, magnesium, and oxygen.

mandarinoite
A monoclinic-prismatic mineral containing hydrogen, iron, oxygen, and selenium.

manganarsite
A trigonal-trapezohedral pink brown mineral containing arsenic, hydrogen, manganese, and oxygen.

manganaxinite
A yellow-orange manganese-rich form of axinite.

manganaxinites
plural of manganaxinite

manganbabingtonite
A triclinic-pinacoidal mineral containing calcium, hydrogen, iron, manganese, oxygen, and silicon.

manganbelyankinite
An amorphous mineral containing calcium, hydrogen, manganese, niobium, oxygen, and titanium.

manganberzeliite
An isometric-hexoctahedral mineral containing arsenic, calcium, magnesium, manganese, oxygen, and sodium.

manganblende
Synonym of alabandite.

manganbrucite
Alternative form of manganobrucite.

mangangordonite
A triclinic-pinacoidal mineral containing aluminum, hydrogen, iron, magnesium, manganese, oxygen, and phosphorus.

manganhumite
An orthorhombic-dipyramidal mineral containing hydrogen, magnesium, manganese, oxygen, and silicon.

manganlotharmeyerite
A monoclinic-prismatic mineral containing arsenic, calcium, hydrogen, magnesium, manganese, and oxygen.

manganoaxinite
Alternative form of manganaxinite.

manganobabingtonite
Alternative form of manganbabingtonite.

manganobrucite
A manganese-bearing variety of brucite.

manganochromite
An isometric-hexoctahedral grayish black mineral containing chromium, iron, manganese, oxygen, and vanadium.

manganocolumbite
A variety of columbite in which manganese replaces iron

manganocolumbites
plural of manganocolumbite

manganocummingtonite
A monoclinic-prismatic mineral containing hydrogen, iron, magnesium, manganese, oxygen, silicon, and sodium.

manganogrunerite
A monoclinic-prismatic mineral containing hydrogen, iron, manganese, oxygen, and silicon.

manganokhomyakovite
A trigonal-ditrigonal pyramidal mineral containing calcium, chlorine, hydrogen, manganese, oxygen, silicon, sodium, strontium, tungsten, and zirconium.

manganolangbeinite
An isometric-tetartoidal pink mineral containing manganese, oxygen, potassium, and sulfur.

manganonaujakasite
A monoclinic-prismatic bright blue mineral containing aluminum, iron, manganese, oxygen, silicon, and sodium.

manganosegelerite
An orthorhombic-dipyramidal mineral containing aluminum, calcium, hydrogen, iron, magnesium, manganese, oxygen, and phosphorus.

manganosiderite
A siderite with significant manganese substituting for iron.

manganosite
An isometric-hexoctahedral mineral containing manganese and oxygen.

manganostibiite
A rare, black, orthorhombic-dipyramidal mineral that contains antimony, arsenic, iron, manganese, oxygen, and silicon.

manganostibite
An orthorhombic-dipyramidal black mineral containing antimony, arsenic, iron, manganese, oxygen, and silicon.

manganotantalite
The manganese-rich form of tantalite.

manganotantalites
plural of manganotantalite

manganotychite
An isometric-diploidal mineral containing carbon, iron, magnesium, manganese, oxygen, sodium, and sulfur.

manganpyrosmalite
A rare manganese mineral.

manganpyrosmalites
plural of manganpyrosmalite

mangantantalite
Alternative form of manganotantalite.

manganvesuvianite
A tetragonal-dipyramidal deep maroon red mineral containing aluminum, calcium, hydrogen, iron, magnesium, manganese, oxygen, and silicon.

mangerite
A plutonic intrusive igneous rock, essentially a hypersthene-bearing monzonite.

mangerites
plural of mangerite

manjiroite
A tetragonal-dipyramidal mineral containing aluminum, hydrogen, manganese, oxygen, potassium, and sodium.

mannardite
A tetragonal-dipyramidal black mineral containing barium, hydrogen, oxygen, titanium, and vanadium.