M Ma Macaulayite (IMA1981-062) 9.EC.65 Macdonaldite (rhodesite: IMA1964-010) 9.EB.05 Macedonite (oxide perovskite: IMA1970-010) 4.CC.35 (IUPAC: lead titanium trioxide) Macfallite (IMA1974-057) 9.BG.15 (IUPAC: dicalcium trimanganese(III) tetraoxysilicate heptaoxodisilicate trihydroxyl) Machatschkiite (IMA1976-010) 8.CJ.35 (IUPAC: hexacalcium arsenate tri(hydroxoarsenate) phosphate pentadecahydrate) Machiite (schreyerite: IMA2016-067) 4.0 [no] [no] (IUPAC: dialuminium trititanium nonaoxide) Mackayite (Y: 1944) 4.JL.10 (IUPAC: iron(III) hydro ditellurium(IV) pentaoxide) Mackinawite (IMA1967 s.p., 1964) 2.CC.25 Macphersonite (IMA1982-105) 5.BF.40 (IUPAC: tetralead dihydro sulfate dicarbonate) Macquartite (IMA1979-037) 9.HH.05 (IUPAC: dicopper heptalead tetrachromate di(tetraoxysilicate) dihydroxyl) Madeiraite (wöhlerite: IMA2021-077) [no] [no] Madocite (madocite: IMA1966-015) 2.LB.30 () Magadiite (IMA1967-017) 9.EA.20 Magbasite (IMA1968 s.p., 1965) 9.HA.25 Magganasite (IMA2021-112) 8.BN. [no] [no] MaghagendorfiteQ (alluaudite: IMA19 s.p., IMA1979 s.p.) 8.AC.10 Maghemite (spinel: 1927) 4.BB.15 (((Fe3+)0.67◻0.33)(Fe3+)2O4) Maghrebite (laueite, laueite: IMA2005-044) 8.DC.30 [no] (IUPAC: magnesium dialuminium dihydro diarsenate octahydrate) Magnanelliite (alcaparrosaite: IMA2019-006) 7.0 [no] [no] (IUPAC: tripotassium diiron(III) hydro tetrasulfate diwater) Magnéliite (IMA2021-111) 4.BB. [no] [no] (IUPAC: dititanium(III) dititanium(IV) heptaoxide) Magnesioalterite (alterite: IMA2020-050) [no] [no] Magnesio-arfvedsonite [Na-amphibole: IMA2013-137, IMA2012 s.p., 1957] 9.DE.25 Magnesioaubertite (aubertite: IMA1982-015) 7.DB.05 (IUPAC: magnesium aluminium chloro disulfate tetradecahydrate) Magnesiobeltrandoite-2N3S (högbomite: IMA2016-073) 4.0 [no] [no] Magnesiobermanite (arthurite: IMA2018-115) 8.0 [no] [no] (IUPAC: magnesium dimanganese(III) dihydro diphosphate tetrahydrate) Magnesiocanutite (alluaudite: IMA2016-057) 8.0 [no] [no] (IUPAC: sodium vacancy magnesium dimanganese diarsenate dihydroxoarsenate) Magnesiocarpholite (carpholite: IMA1978-027) 9.DB.05 (IUPAC: magnesium dialuminium hexaoxydisilicate tetrahydroxyl) Magnesiochloritoid (IMA1987-J, 1983) 9.AF.85 (IUPAC: magnesium dialuminium oxy(tetraoxysilicate) dihydroxyl) Magnesiochlorophoenicite (chlorophoenicite: IMA1981 s.p., 1935 Rd) 8.BE.35 Magnesiochromite (spinel, spinel: 1873) 4.BB.05 (IUPAC: magnesium dichromium(III) tetraoxide) Magnesiocopiapite (copiapite: 1939) 7.DB.35 (IUPAC: magnesium tetrairon(III) dihydro hexasulfate icosahydrate) Magnesiocoulsonite (spinel, spinel: IMA1994-034) 4.BB.05 (IUPAC: magnesium divanadium tetraoxide) Magnesiodumortierite (dumortierite: IMA1992-050 Rd) 9.AJ.10 [no] Magnesio-ferri-fluoro-hornblende [Ca-amphibole: IMA2014-091] 9.D [no] [no] Magnesio-ferri-hornblende [Ca-amphibole: IMA2021-100] 9.DE.10 [no] [no] Magnesioferrite (spinel, spinel: 1859) 4.BB.05 (IUPAC: magnesium diiron(III) tetraoxide) Magnesiofluckite (fluckite: IMA2017-103) 8.0 [no] [no] (IUPAC: calcium magnesium di(hydroxoarsenate) diwater) Magnesio-fluoro-arfvedsonite [Na-amphibole: IMA2012 s.p., fluoromagnesioarfvedsonite (IMA1998-056)] 9.DE.25 [no] Magnesio-fluoro-hastingsite [Ca-amphibole: IMA2012 s.p., fluoro-magnesiohastingsite (IMA2005-002)] 9.DE.15 Magnesiofoitite (tourmaline: IMA1998-037 Rd) 9.CK.05 [no] Magnesio-hastingsite [Ca-amphibole: IMA2012 s.p., IMA1997 s.p., magnesiohastingsite (1928)] 9.DE.15 Magnesiohatertite (alluaudite: IMA2016-078) 8.0 [no] [no] () Magnesiohögbomite (högbomite, magnesiohögbomite) 4.CB.20 Magnesiohögbomite-2N2S (IMA2001 s.p., 1916 Rd) 4.CB.20 Magnesiohögbomite-2N3S (IMA2001 s.p., 1963 Rd) 4.CB.20 [no] Magnesiohögbomite-2N4S (IMA2010-084) 4.CB.20 [no] Magnesiohögbomite-6N6S (IMA2001 s.p., 1990 Rd) 4.CB.20 [no] Magnesio-hornblende [Ca-amphibole: IMA2017-059, IMA2012 s.p., IMA1997 s.p., magnesiohornblende (1965)] 9.DE.10 Magnesiohulsite (hulsite: IMA1983-074) 6.AB.45 Magnesiokoritnigite (koritnigite: IMA2013-049) 8.0 [no] [no] (IUPAC: magnesium hydroxoarsenate monohydrate) Magnesioleydetite (leydetite: IMA2017-063) 7.0 [no] [no] (IUPAC: magnesium uranyl disulfate undecahydrate) Magnesio-lucchesiite (tourmaline: IMA2019-025) 9.CK. [no] [no] Magnesioneptunite (neptunite: IMA2009-009) 9.EH.05 [no]