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M Index of Mineral Species

This alphabetical listing of M minerals include synonyms of accepted mineral names, pronunciation of that name, name origins, and locality information. Visit our expanded selection of mineral pictures.

LEGEND

Sound files Minerals identified with this icon have a sound file, courtesy of The Photo-Atlas of Minerals, which gives the pronunciation of the mineral name.
Image files Minerals identified with this icon have an image or picture in the database which may be viewed.
Java Crystal Forms Minerals identified with this icon have a Java crystal form, created with the program JCrystal, which can be manipulated and rotated.
Mindat Locations This icon links the mineral to the locality-rich information contained in Mindat.org.
Minerals identified with this icon are radioactive. - Detectable with very sensitive instruments, - very mild, - weak, - strong, - very strong, - dangerous.
* Mineral Name is Not IMA Approved.
! New Dana Classification Number Has Been Changed or Added.
? IMA Discredited Mineral Species Name.
Macaulayite  Say MACAULAYITE Mindat locations   (Fe+++,Al)24Si4O43(OH)2 NAME ORIGIN: Named for the Macaulay Institute for Soil Research.
Macdonaldite  Say MACDONALDITE Mineral Image for Macdonaldite Mindat locations   BaCa4[Si16O36(OH)2]·10(H2O) NAME ORIGIN: Named for Grodon Andrew Macdonald (1911-1978), American volcanologist, University of Hawaii.
Macedonite  Say MACEDONITE Mindat locations   PbTiO3 NAME ORIGIN: Named for the locality. LOCALITY: Crni Kamen, near Prilep, Macedonia.
Macfallite  Say MACFALLITE Mindat locations   Ca2(Mn+++,Al)3(SiO4)(Si2O7)(OH)3 NAME ORIGIN: Named for Russell P. MacFall, a dedicated amateur mineralogist.
Machatschkiite  Say MACHATSCHKIITE Mindat locations   Ca6(AsO4)(AsO3OH)3(PO4,SO4)·15(H2O) NAME ORIGIN: Named for Felix Karl Ludwig Machatschki (1895-1970), Professor of Mineralogy, University of Vienna, Austria.
Mackayite  Say MACKAYITE Mineral Image for Mackayite Java Crystal form for Mackayite Mindat locations   Fe+++Te2O5(OH) NAME ORIGIN: Named for John William Mackay (1831-1902), mine operator, Comstock Lode, and benefactor of the Mackay School of Mines, University of Nevada.
Mackinawite  Say MACKINAWITE Mineral Image for Mackinawite Mindat locations   (Fe,Ni)S0.9 NAME ORIGIN: Named for the locality. LOCALITY: Mackinaw mine, Snohomish County, Washington, USA.
Mackintoshite *  (see Thorogummite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Macphersonite  Say MACPHERSONITE Mineral Image for Macphersonite Mindat locations   Pb4(SO4)(CO3)2(OH)2 NAME ORIGIN: Named after Harry Gordon Macpherson (1925-), mineralogist at the Royal Scottish Museum, Edinburgh, Scotland.
Macquartite  Say MACQUARTITE Mineral Image for Macquartite Mindat locations   Pb3Cu(CrO4)(SiO3)(OH)4·2(H2O) NAME ORIGIN: Named for Louis Charles Henri Macquart (1745-1803), French chemist who brought to France from Russia the samples of crocoite in which the element chromium was discovered.
Madocite  Say MADOCITE Mineral Image for Madocite Mindat locations   Pb17(Sb,As)16S41 NAME ORIGIN: Named for the locality. LOCALITY: Madoc, Ontario, Canada.
Maekinenite *  (see Makinenite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magadiite  Say MAGADIITE Mineral Image for Magadiite Mindat locations   NaSi7O13(OH)3·4(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Lake Magadi, Olduvai Gorge, Kenya.
Magbasite  Say MAGBASITE Mindat locations   KBa(Al,Sc)(Mg,Fe++)6Si6O20F2 NAME ORIGIN: Named after its composition of Mg, Ba, and Si.
Maghagendorfite  Say MAGHAGENDORFITE Mindat locations   NaMgMn(Fe++,Fe+++)2(PO4)3 NAME ORIGIN: Named as MAGnesium hagendorfite.
Maghemite  Say MAGHEMITE Mineral Image for Maghemite Mindat locations   gamma-Fe+++2O3 NAME ORIGIN: From MAGnetite and HEMatite, in allusion to the mineral's magnetism and composition.
Magnesia Alum *  (see Pickeringite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesio-aluminokatophorite *  (see Magnesiokatophorite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesio-arfvedsonite   Mindat locations   NaNa2(Mg4Fe++)Si8O22(OH)2
Magnesio-axinite   Mineral Image for Magnesio-axinite Java Crystal form for Magnesio-axinite Mindat locations   Ca2MgAl2BO3Si4O12(OH) NAME ORIGIN: From the Greek acine - "axe" in allusion to the acute shape of typical crystals and the Greek, "Magnesia" a district in Thessaly in reference to the Mg in the chemical formula.
Magnesioaluminotaramite *  (see Magnesiotaramite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesioanthophyllite ?   Mindat locations   (Mg,Fe++)7Si8O22(OH)2 NAME ORIGIN: From its compostition and from the Latin anthophyllum - "clove" in allusion to the color.
Magnesioaubertite  Say MAGNESIOAUBERTITE Mineral Image for Magnesioaubertite Mindat locations   (Mg,Cu)Al(SO4)2Cl·14(H2O)
Magnesiocarpholite   Mindat locations   MgAl2Si2O6(OH)4 NAME ORIGIN: Named as the Mg-dominant member of the carpholite series.
Magnesiochloritoid   Mindat locations   MgAl2SiO5(OH)2
Magnesiochromite  Say MAGNESIOCHROMITE Mineral Image for Magnesiochromite Java Crystal form for Magnesiochromite Mindat locations   MgCr2O4
Magnesioclinoholmquistite ?   Mineral Image for Magnesioclinoholmquistite Mindat locations   Li2(Mg,Fe++)3Al2Si8O22(OH)2 NAME ORIGIN: Named for its composition, monoclinic crystal structure, and relationship with holmsquisite. Discredited as clinoholmquistite (1997). Clinohomsquisite discredited (2005).
Magnesiocolumbite   Mindat locations   (Mg,Fe++,Mn)(Nb,Ta)2O6 NAME ORIGIN: Named for the dominent MAGNESIum and its relationship to ferrocolumbite (formerly columbite).
Magnesiocopiapite  Say MAGNESIOCOPIAPITE Mineral Image for Magnesiocopiapite Mindat locations   MgFe+++4(SO4)6(OH)2·20(H2O)
Magnesiocoulsonite   Mindat locations   MgV+++2O4 NAME ORIGIN: Named for its relationship to coulsonite.
Magnesiocummingtonite   Mindat locations   (Mg,Fe++)7Si8O22(OH)2
Magnesiodumortierite   Mindat locations   (Mg,Ti,[ ])<1(Al,Mg)2Al4Si3O18-y(OH)yB y=2-3 NAME ORIGIN: For its containing magnesium and the relationship to dumortierite.
Magnesioferrikatophorite   Mindat locations   Na2Ca(Mg,Fe++)4Fe+++Si7AlO22(OH)2 NAME ORIGIN: Named for its composition and from the Greek for "carrying down", in allusion to its volcanic origin.
Magnesioferritaramite *  (see Ferri-magnesiotaramite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesioferrite  Say MAGNESIOFERRITE Mineral Image for Magnesioferrite Java Crystal form for Magnesioferrite Mindat locations   MgFe+++2O4 NAME ORIGIN: Named after its chemical composition of magnesium and ferric iron.
Magnesiofoitite !   Mineral Image for Magnesiofoitite Mindat locations   [ ](Mg2Al)Al6(Si6O18)(BO3)3(OH)4 NAME ORIGIN: The name recalls its composition and relationship to foitite.
Magnesiogedrite ?   Mindat locations   (Mg,Fe++)5Al2Si6Al2O22(OH)2 NAME ORIGIN: Named for its composition and the original gederite location at Heas Valley, Gedres, France. IMA amphibole commission recommends abandoning this species name.
Magnesiohastingsite   Mineral Image for Magnesiohastingsite Mindat locations   NaCa2(Mg4Fe+++)Si6Al2O22(OH)2
Magnesiohogbomite-2N2S   Mindat locations   (Al,Fe++,Fe+++,Mg,Ti,Zn)11O15(OH) NAME ORIGIN: Named for Arvid Gustaf Hogbom (1857-1940), Swedish geologist, University of Upplala and the crystal structure. (S=Spinel, N=Nolanite Layers).
Magnesiohogbomite-2N3S   Mindat locations   (Mg,Fe++)1.4Ti0.3Al4O8 NAME ORIGIN: Named for Arvid Gustaf Hogbom (1857-1940), Swedish geologist, University of Upplala and the crystal structure. (S=Spinel, N=Nolanite Layers).
Magnesiohogbomite-6N6S   Mindat locations   (Mg,Fe++)1.4Ti0.3Al4O8 NAME ORIGIN: Named for Arvid Gustaf Hogbom (1857-1940), Swedish geologist, University of Upplala and the crystal structure. (S=Spinel, N=Nolanite Layers).
Magnesioholmquistite   Mindat locations   Li2(Mg,Fe++)3Al2Si8O22(OH)2 NAME ORIGIN: The name reflects its composition and relationship to holmquistite..
Magnesiohornblende   Mineral Image for Magnesiohornblende Mindat locations   Ca2[Mg4(Al,Fe+++)]Si7AlO22(OH)2 NAME ORIGIN: Named for the composition and its relationship to hornblende.
Magnesiohulsite  Say MAGNESIOHULSITE Mineral Image for Magnesiohulsite Mindat locations   (Mg,Fe++)2(Mg,Fe+++,Sn++++)O2(BO3) NAME ORIGIN: Named for the composition and for Alfred Hulse Brooks (1871-1924), U. S. Geologist.
Magnesiokatophorite   Mineral Image for Magnesiokatophorite Mindat locations   Na(CaNa)Mg4AlSi7AlO22(OH)2 NAME ORIGIN: Named for its composition and from the Greek for "carrying down", in allusion to its volcanic origin.
Magnesioludwighite *  (see Ludwigite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesionigerite-2N1S   Mindat locations   (Mg,Zn,Fe+++,Al)4(Sn,Fe+++)2Al10O22(OH)2 NAME ORIGIN: Named as the MAGNESIum analog of Ferronigerite. (S=Spinel, N=Nolanite Layers).
Magnesionigerite-6N6S !   Mindat locations   (Mg,Zn,Fe+++,Al)4(Sn,Fe+++)2Al10O22(OH)2 NAME ORIGIN: Named as the MAGNESIum analog of Ferronigerite. (S=Spinel, N=Nolanite Layers).
Magnesioriebeckite   Mineral Image for Magnesioriebeckite Mindat locations   [ ]Na2(Mg3Fe++2)Si8O22(OH)2 NAME ORIGIN: Named for the composition and relatinship to riebeckite.
Magnesiosadanagaite !   Mindat locations   NaCa2[Mg3(Al,Fe+++)2]Si5AlO22(OH)2 NAME ORIGIN: Named as a low-K analog of potassic-magnesiosadanagaite (renamed from original magnesiosadanagaite-IMA1982-102).
Magnesiosadanagaite - 1982 *  (see Potassic-magnesiosadanagaite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesiostaurolite !   Mindat locations   [ ]4Mg4Al16(Al,[ ])2Si8O40[O6,(OH)2] NAME ORIGIN: Named as the magnesium-dominant analog of staurolite.
Magnesiotaaffeite-2N2S   Mindat locations   Mg3Al8BeO16 NAME ORIGIN: Named for Count R.Taaffe of Dublin, Ireland, who discovered the mineral in 1945. (S=Spinel, N=Nolanite Layers).
Magnesiotaaffeite-6N3S !   Mindat locations   (Mg,Fe++,Zn)2Al6BeO12 NAME ORIGIN: Named for Count R.Taaffe of Dublin, Ireland, who discovered the mineral in 1945. (S=Spinel, N=Nolanite Layers).
Magnesiotantalite !   Mindat locations   (Mg,Fe)(Ta,Nb)2O6 NAME ORIGIN: Named as the magnesium-dominant member of the tantalite series.
Magnesiotaramite  Say MAGNESIOTARAMITE Mineral Image for Magnesiotaramite Mindat locations   Na(CaNa)Mg3ALFe+++[Si6Al2O22](OH)2 NAME ORIGIN: Named after the chemical composition and the locality. LOCALITY: Wali-tarama, Mariupol, Ukraine.
Magnesite  Say MAGNESITE Mineral Image for Magnesite Java Crystal form for Magnesite Mindat locations   MgCO3 NAME ORIGIN: Named after its chemical composition.
Magnesium Mica *  (see Phlogopite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesium Oxalate *  (see Glushinskite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesium Sulphate *  (see Hexahydrite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesium Talc *  (see Talc ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnesium-chlorophoenicite   Mindat locations   (Mg,Mn)3Zn2(AsO4)(OH,O)6
Magnesium-zippeite   Mindat locations   Mg(H2O)3.5(UO2)2(SO4)O2 NAME ORIGIN: Named for its composition and for Franz Xaver Maxmillian Zippe (1791-1863), Austrian mineralogist.
Magnesiumastrophyllite   Mindat locations   K2Na[Na(Fe++,Fe+++,Mn)Mg2]Ti2Si8O26(OH)4F NAME ORIGIN: Named for the magnesium content and relationship to astrophyllite.
Magnetic iron ore *  (see Magnetite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnetic pyrites *  (see Pyrrhotite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnetite  Say MAGNETITE Mineral Image for Magnetite Java Crystal form for Magnetite Mindat locations   Fe++Fe+++2O4 NAME ORIGIN: Named for Magnes, a Geek shepherd, who discovered the mineral on Mt, Ida, He noted that the nails of his shoe and the iron ferrule of his staff clung to a rock.
Magnetoplumbite  Say MAGNETOPLUMBITE Mineral Image for Magnetoplumbite Mindat locations   Pb(Fe+++,Mn+++)12O19 NAME ORIGIN: Named for being a MAGNETic oxide of iron, manganese, and lead, "plumbum."
Magniotriplite ?  Say MAGNIOTRIPLITE Mineral Image for Magniotriplite Mindat locations   (Mg,Fe++,Mn)2(PO4)F NAME ORIGIN: Named in 1951 for its relationship to triplite. Magniotriplite discredited 2003
Magniotriplite *  (see Wagnerite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnocolumbite *  (see Magnesiocolumbite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Magnolite  Say MAGNOLITE Mindat locations   Hg+2Te++++O3
Magnussonite  Say MAGNUSSONITE Mineral Image for Magnussonite Mindat locations   Mn++5As+++3O9(OH,Cl)
Mahlmoodite *  (see Malhmoodite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Mahnertite !  Say MAHNERTITE Mineral Image for Mahnertite Mindat locations   (Na,Ca)Cu++3(AsO4)2Cl·5(H2O) NAME ORIGIN: Named after Volker Mahnert (b. 1943), zoologist, director of the Muséum d’Histoire Naturelle, Geneva, Switzerland.
Maikainite !   Mindat locations   Cu20(Fe,Cu)6Mo2Ge6S32 NAME ORIGIN: Named for the locality. LOCALITY: Maikain deposit, Kazakhstan and (2) Tsumeb deposit, Namibia.
Majakite  Say MAJAKITE Mindat locations   PdNiAs NAME ORIGIN: Named for the locality. LOCALITY: Najak mine, Talnakh, Norilsk, Russia.
Majorite  Say MAJORITE Java Crystal form for Majorite Mindat locations   Mg3(Fe,Al,Si)2(SiO4)3
Makarochkinite *  (see Hogtuvaite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Makatite  Say MAKATITE Mineral Image for Makatite Mindat locations   Na2Si4O8(OH)2·4(H2O) NAME ORIGIN: Named from the Masai "emakat," soda, in allusion to the high sodium content.
Makinenite  Say MAKINENITE Mindat locations   NiSe NAME ORIGIN: Named for Eero Makinen, Finnish geologist, adn former President of the Outokumpa Company.
Makovickyite  Say MAKOVICKYITE Mindat locations   Ag1.5Bi5.5S9 NAME ORIGIN: For Dr. Emil Makovicky, Slovak and Danish mineralogist, University of Copenhagen.
Malachite  Say MALACHITE Mineral Image for Malachite Java Crystal form for Malachite Mindat locations   Cu2(CO3)(OH)2 NAME ORIGIN: From the Greek, malache, - "mallow" in reference to green leaf color.
Malacon *  (see Zircon ) See Also: GOOGLE, Athena, MinDAT, MinMax
Malanite  Say MALANITE Mindat locations   Cu(Pt,Ir)2S4 NAME ORIGIN: Named for the locality. LOCALITY: Malan valley, Zunhua, Hebei Province, China.
Malayaite  Say MALAYAITE Mineral Image for Malayaite Mindat locations   CaSnSiO5 = CaSnOSiO4 NAME ORIGIN: Named for the locality LOCALITY: Sunsei Lah, Chenderiang, Perak, Malaysia.
Maldonite  Say MALDONITE Mindat locations   Au2Bi NAME ORIGIN: Named for the locality. LOCALITY: Nugget reef, near Maldon, Victoria, Australia.
Maleevite !   Mineral Image for Maleevite Mindat locations   BaB2Si2O8 NAME ORIGIN: Named for Mihail Naidenovitch Maleev (1940-), Bulgarian mineralogist and expert in mineral systematics.
Malhmoodite   Mineral Image for Malhmoodite Mindat locations   FeZr(PO4)2·4(H2O) NAME ORIGIN: Named after Bertha K. Malhmood, long-time secretary and administrative assistant of the Branch of Analytical Laboratories, US Geological Survey.
Malinkoite !   Mineral Image for Malinkoite Mindat locations   NaBSiO4 NAME ORIGIN: Named for Svetlana V. Malinko(1927-), Russian mineralogist who specializes in B minerals.
Malladrite  Say MALLADRITE Mineral Image for Malladrite Mindat locations   Na2SiF6 NAME ORIGIN: Named for Alessandro Malladra (1865-1945), Italian volcanologist, director of the Vesuvius Observatory.
Mallardite  Say MALLARDITE Mindat locations   Mn++SO4·7(H2O)
Mallestigite !   Mineral Image for Mallestigite Mindat locations   Pb3Sb+++++(SO4)(AsO4)(OH)6·3(H2O) NAME ORIGIN: Named after the locality. LOCALITY: Dump of a Cu-Pp-Zn mine 1 km NW of Mallestiger Mittagskogel, Finkenstein, Villach, Kärnten, Austria
Mammothite  Say MAMMOTHITE Mineral Image for Mammothite Mindat locations   Pb6Cu4AlSb+++++O2(SO4)2Cl4(OH)16 NAME ORIGIN: Named for the locality. LOCALITY: Mammoth vein, Tiger, Arizona, USA and from Laurium, Attika, Greece.
Manaksite  Say MANAKSITE Mindat locations   KNaMn++Si4O10
Manandonite  Say MANANDONITE Mineral Image for Manandonite Mindat locations   Li2Al4[(Si2AlB)O10](OH)8 NAME ORIGIN: Named after its locality. LOCALITY: Antandrokomby, near Mt. Bity on the Manandona River, Madagascar.
Manasseite  Say MANASSEITE Mineral Image for Manasseite Mindat locations   Mg6Al2(CO3)(OH)16·4(H2O) NAME ORIGIN: Named for Ernesto Manasse (1875-1922), mineralogist of Florence, Italy.
Mandarinoite  Say MANDARINOITE Mineral Image for Mandarinoite Java Crystal form for Mandarinoite Mindat locations   Fe+++2Se3O9·6(H2O) NAME ORIGIN: Named for Joseph A. Mandarino of the Royal Ontario Museum in recognition of his work on selenites.
Mangan-neptunite   Mineral Image for Mangan-neptunite Mindat locations   KNa2Li(Mn,Fe++)2Ti2Si8O24 NAME ORIGIN: Named for the composition and relationship to neptunite.
Manganarsite  Say MANGANARSITE Mindat locations   Mn++3As+++204(OH)4 NAME ORIGIN: Named after the composition (Manganese, Arsenic).
Manganaxinite  Say MANGANAXINITE Mineral Image for Manganaxinite Mindat locations   Ca2Mn++Al2BO3Si4O12(OH) NAME ORIGIN: From the Greek acine - "axe" in allusion to the acute shape of typical crystals and the from the Latin magnes = "magnet" in reference to Mn in the chemical formula.
Manganbabingtonite  Say MANGANBABINGTONITE Mineral Image for Manganbabingtonite Mindat locations   Ca2(Mn,Fe++)Fe+++Si5O14(OH) NAME ORIGIN: Named for the manganese content and relation to babingtonite.
Manganbelyankinite  Say MANGANBELYANKINITE Mineral Image for Manganbelyankinite Mindat locations   (Mn,Ca)(Ti,Nb)5O12·9(H2O) NAME ORIGIN: Presumably for its MANGANese content and relationship to belyankinite.
Manganberzeliite  Say MANGANBERZELIITE Mineral Image for Manganberzeliite Java Crystal form for Manganberzeliite Mindat locations   (Ca,Na)3(Mn,Mg)2(AsO4)3
Manganblende *  (see Alabandite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Manganese spar *  (see Rhodochrosite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Manganese-hornesite  Say MANGANESE-HORNESITE Mineral Image for Manganese-hornesite Mindat locations   (Mn,Mg)3(AsO4)2·8(H2O)
Manganese-shadlunite  Say MANGANESE-SHADLUNITE Mindat locations   (Mn,Pb)(Cu,Fe)8S8 NAME ORIGIN: Named for Tatyana Shadlun, Russian ore mineralogist.
Mangangordonite  Say MANGANGORDONITE Mineral Image for Mangangordonite Mindat locations   (Mn++,Fe++,Mg)Al2(PO4)2(OH)2·8(H2O) NAME ORIGIN: Named as the manganese analog of gordonite.
Manganhornesite *  (see Manganese-hornesite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Manganhumite  Say MANGANHUMITE Mindat locations   (Mn,Mg)7(SiO4)3(OH)2
Manganidocrase *  (see Manganvesuvianite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Manganite  Say MANGANITE Mineral Image for Manganite Java Crystal form for Manganite Mindat locations   MnO(OH) NAME ORIGIN: Named after its chemical composition.
Manganlotharmeyerite !   Mineral Image for Manganlotharmeyerite Mindat locations   Ca(Mn+++,Mg,)2(AsO4)2(OH,H2O)2 NAME ORIGIN: Named as the Mn-dominant lotharmeyerite.
Manganocalcite - variety *  (see Calcite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Manganochromite  Say MANGANOCHROMITE Java Crystal form for Manganochromite Mindat locations   (Mn,Fe++)(Cr,V)2O4 NAME ORIGIN: Named for its MANGANese in the composition and relationship to magnesiochromite.
Manganocolumbite   Mineral Image for Manganocolumbite Mindat locations   (Mn,Fe++)(Nb,Ta)2O6 NAME ORIGIN: Named for the MANGANese content and the relationship to columbite (ferrocolumbite).
Manganocummingtonite   Mineral Image for Manganocummingtonite Mindat locations   Na(Na,Mn)2(Mg4,Fe+++)5Si8O22(OH)2 NAME ORIGIN: Renamed IMA 2003, Formerly Tirodite (1938). Named after its locality. LOCALITY: Tirodi, Madhya Pradesh, India.
Manganogrunerite  Say MANGANOGRUNERITE Mineral Image for Manganogrunerite Mindat locations   [ ]Mn2Fe++5Si8O22(OH) NAME ORIGIN: Renamed IMA 1997 as the Mn analog of grunerite, Formerly dannemorite (1855) which was named after its locality. LOCALITY: Dannemora, Uppsala, Sweden.
Manganokhomyakovite !   Java Crystal form for Manganokhomyakovite Mindat locations   Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2 NAME ORIGIN: The name reflects the composition and similarity to khomyakovite.
Manganokukisvumite !   Mineral Image for Manganokukisvumite Mindat locations   Na6MnTi4Si8O28·4(H2O) NAME ORIGIN: Named as the manganese-dominant analogue of kukisvumite.
Manganolangbeinite   Mindat locations   K2Mn2(SO4)3
Manganonaujakasite !   Mindat locations   Na6(Mn,Fe++ )Al4Si8O26 NAME ORIGIN: Named as the manganese analog of naujakasite.
Manganonordite-(Ce) !  Say MANGANONORDITE-(CE) Mindat locations   Na3SrCeMn++Si6O17 NAME ORIGIN: Named as the Mn++ dominant analogue of nordite-(Ce). Nordite series is named after the word for north because of its northern origin in the Lovozero Massif.
Manganophyllite (Mn) *  (see Biotite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Manganosegelerite  Say MANGANOSEGELERITE Mindat locations   (Mn,Ca)(Mn,Fe++,Mg)Fe+++(PO4)2(OH)·4(H2O) NAME ORIGIN: Named as the manganese analog of segelerite.
Manganosite  Say MANGANOSITE Mineral Image for Manganosite Mindat locations   MnO NAME ORIGIN: Named as an oxide of manganese.
Manganostibite  Say MANGANOSTIBITE Mindat locations   (Mn++,Fe++)7(SbO4)(AsO4,SiO4)O4
Manganotantalite  Say MANGANOTANTALITE Mineral Image for Manganotantalite Mindat locations   MnTa2O6 NAME ORIGIN: Named after its chemical composition containing manganese and tantalum.
Manganotapiolite  Say MANGANOTAPIOLITE Mineral Image for Manganotapiolite Mindat locations   (Mn++,Fe++)(Ta,Nb)2O6 NAME ORIGIN: Named for the MANGANese content and relationship to ferroTAPIOLITE.
Manganotychite   Mineral Image for Manganotychite Mindat locations   Na6(Mn++,Fe++,Mg)2(SO4)(CO3)4
Manganpyrosmalite  Say MANGANPYROSMALITE Mineral Image for Manganpyrosmalite Mindat locations   (Mn,Fe++)8Si6O15(OH,Cl)10 NAME ORIGIN: Manganese end member of pyrosmalite.
Manganvesuvianite !  Say MANGANVESUVIANITE Mineral Image for Manganvesuvianite Java Crystal form for Manganvesuvianite Mindat locations   Ca19Mn+++(Al,Mn+++,Fe+++)10(Mg,Mn++)2Si18O69(OH)9 NAME ORIGIN: Named for the relationship to vesuvianite (idocrase) and Mn.
Manjiroite  Say MANJIROITE Mineral Image for Manjiroite Mindat locations   (Na,K)(Mn++++,Mn++)8O16·n(H2O) NAME ORIGIN: Named for Manjiro Watanabe (1891-?), Emeritus Professor of Mineralogy, Tohoku University, Sendai, Japan.
Mannardite  Say MANNARDITE Mineral Image for Mannardite Mindat locations   BaTi6V+++2O16·(H2O) NAME ORIGIN: Named for George William Mannard (1932-1982), formerly President of Kidd Creek Mines, Ltd., Toronto, Canada.
Mansfieldite  Say MANSFIELDITE Mineral Image for Mansfieldite Mindat locations   AlAsO4·2(H2O) NAME ORIGIN: Named for George Rogers Mansfield (1875-1947), geologist, U. S. Geological Survey.
Mantienneite  Say MANTIENNEITE Mindat locations   KMg2Al2Ti(PO4)4(OH)3·15(H2O)
Mapimite  Say MAPIMITE Mindat locations   Zn2Fe+++3(AsO4)3(OH)4·10(H2O)
Marcasite  Say MARCASITE Mineral Image for Marcasite Java Crystal form for Marcasite Mindat locations   FeS2 NAME ORIGIN: Arabic or Moorish name for pyrites and similar material of uncertain origin.
Marecottite !   Mineral Image for Marecottite Mindat locations   Mg3(H2O)18[(UO2)4O3(SO4)2]2·10(H2O) NAME ORIGIN: Named for the locality. LOCALITY: La Creusaz U-prospect near Les Marecottes, Western Swiss Alps, Switzerland.
Margaritasite  Say MARGARITASITE Mineral Image for Margaritasite Mindat locations   (Cs,K,H3O)2(UO2)2V2O8·(H2O)
Margarite  Say MARGARITE Mineral Image for Margarite Mindat locations   CaAl2(Al2Si2)O10(OH)2 NAME ORIGIN: From the Greek margaritos - "pearl."
Margarosanite  Say MARGAROSANITE Mineral Image for Margarosanite Mindat locations   Pb(Ca,Mn++)2Si3O9
Marialite  Say MARIALITE Mineral Image for Marialite Java Crystal form for Marialite Mindat locations   Na4Al3Si9O24Cl NAME ORIGIN: Named by von Rath in honor of his wife, Maria Rosa vom Rath (1830-1888).
Maricite  Say MARICITE Mineral Image for Maricite Mindat locations   NaFe++PO4
Maricopaite  Say MARICOPAITE Mineral Image for Maricopaite Mindat locations   Pb7Ca2(Si,Al)48O100·32(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Moon Anchor mine, near Tonopah, Maricopa County, Arizona, USA.
Marignacite *  (see Ceriopyrochlore-(Ce) ) See Also: GOOGLE, Athena, MinDAT, MinMax
Marinellite !   Mindat locations   [(Na,K)42Ca6](Si36Al36O144)(SO4)8Cl2·6(H2O) NAME ORIGIN: Named for Giorgio Marinelli (1922-1993), Professor, Department of Earth Sciences, University of Pisa, specialist in magma genesis and tectonic settings.
Marionite *  (see Hydrozincite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Marokite  Say MAROKITE Mineral Image for Marokite Mindat locations   CaMn+++2O4 NAME ORIGIN: Named for the locality. LOCALITY: Tachgagalt, Ouarzazate, Morocco. Morocco in French "Maroc".
Marrite  Say MARRITE Mineral Image for Marrite Mindat locations   PbAgAsS3 NAME ORIGIN: Named for John Edward Marr (1857-1933), geologist of Canbridge, England.
Marshite  Say MARSHITE Mineral Image for Marshite Java Crystal form for Marshite Mindat locations   CuI NAME ORIGIN: Named for C. W. Marsh, Autralian mineral collector who first described the mineral.
Marsturite  Say MARSTURITE Mineral Image for Marsturite Mindat locations   NaCaMn3[Si5O14(OH)] NAME ORIGIN: Named for Marion Stuart of Bellvue, Idaho, who has been a staunch supporter of the preservation of natural history specimens, particularly those of geological interest.
Marthozite  Say MARTHOZITE Mineral Image for Marthozite Java Crystal form for Marthozite Mindat locations   Cu[(UO2)3(SeO3)2O2]·8(H2O) NAME ORIGIN: Named for Aime Marthoz (1864-1962), French mineralogist and inspector General, Bureau de Recherches Geolgiques et Miniere.
Martinite !   Mindat locations   (Na,Ca)11Ca4(Si,S,B)14B2O40F2·4(H2O) NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN)
Martite *  (see Hematite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Martourite *  (see Berthierite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Marumoite !   Mindat locations   Pb32As40S92 NAME ORIGIN: Commission on New Minerals and Mineral Names (CNMMN)
Mascagnite  Say MASCAGNITE Mineral Image for Mascagnite Mindat locations   (NH4)2SO4 NAME ORIGIN: Named for Paolo Mascagni (1752-1815), Italian anatomist, University of Siena who first described the natural salt.
Maslovite  Say MASLOVITE Mineral Image for Maslovite Mindat locations   PtBiTe NAME ORIGIN: Named for G. D. Maslov (1915-1968).
Massicot  Say MASSICOT Mineral Image for Massicot Mindat locations   PbO NAME ORIGIN: French name for lead oxide.
Masutomilite  Say MASUTOMILITE Mineral Image for Masutomilite Mindat locations   K(Li,Al,Mn++)3[(Si,Al)4O10](F,OH)2 NAME ORIGIN: Named for Kazunosuke Masutomi, Japanese pharmacist and prominent amateur mineralogist and mineral collector.
Masuyite  Say MASUYITE Mineral Image for Masuyite Mindat locations   Pb[(UO2)3O3(OH)2]·3(H2O) NAME ORIGIN: Named for Gustave Masuy (1905-1945), Belgian geologist, shot by the German occupiers at the end of World War II.
Mathewrogersite  Say MATHEWROGERSITE Mindat locations   Pb7(Fe,Cu)Al3GeSi12O36·(OH,H2O)6 NAME ORIGIN: Named to honor Mathew Rogers, first European prospector at Tsumeb, Namibia.
Mathiasite  Say MATHIASITE Mindat locations   (K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38 NAME ORIGIN: Named for Frances Celia Morna Mathias (1913-), British-South African geochemist, University of Capetown, South Africa.
Matildite  Say MATILDITE Mineral Image for Matildite Mindat locations   AgBiS2 NAME ORIGIN: Named after its locality LOCALITY: Matilda mine, near Moroccha, Provinence Junin, Peru.
Matlockite  Say MATLOCKITE Mineral Image for Matlockite Java Crystal form for Matlockite Mindat locations   PbFCl NAME ORIGIN: Named from its locality. LOCALITY: Cromford, near Matlock, Derbyshire. Ancient lead slags at Laurium, Greece.
Matraite  Say MATRAITE Mindat locations   ZnS NAME ORIGIN: Name for the locality. LOCALITY: Gyöngyösoroszi, Mátra Mountains locality, Heves Co., Hungary.
Matsubaraite !   Mineral Image for Matsubaraite Mindat locations   Sr4TiTi4Si4O22 NAME ORIGIN: Named after Satoshi Matsubara, specialist for strontium minerals in the National Science Museum, Tokyo, Japan.
Mattagamite  Say MATTAGAMITE Mineral Image for Mattagamite Mindat locations   CoTe2 NAME ORIGIN: Named for the locality. LOCALITY: Mattagami Lake mines, Mattagami, Galinee Township, Abitibi Co., Québec, Canada.
Matteuccite  Say MATTEUCCITE Mindat locations   NaHSO4·(H2O)
Mattheddleite  Say MATTHEDDLEITE Mindat locations   Pb20(SiO4)7(SO4)4Cl4 NAME ORIGIN: Named for Matthew Forster Heddle (1828-1897), Scottish mineralogist.
Matulaite  Say MATULAITE Mineral Image for Matulaite Mindat locations   CaAl18(PO4)12(OH)20·28(H2O)
Matveevite ?   Mindat locations   KTiMn2Fe+++2(PO4)4(OH)3·15(H2O) NAME ORIGIN: Named in 1986 for K. K. Matveev (1875-1954).
Maucherite  Say MAUCHERITE Mineral Image for Maucherite Mindat locations   Ni11As8 NAME ORIGIN: Named for William Maucher (1879-1930), mineral dealer of Munich, Germany.
Maufite  Say MAUFITE Mindat locations   (Mg,Ni)Al4Si3O13·4(H2O) (?) NAME ORIGIN: Named for Herbert Brantwood Maufe (1879-1976), director of the Geological Service of Rhodesia
Mawbyite  Say MAWBYITE Mineral Image for Mawbyite Mindat locations   Pb(Fe+++Zn)2(AsO4)2(OH,H2O)2 NAME ORIGIN: Named for Sir Maurice Alan Edgar Mawby (1904-1977), for his contribution to the Australian mining industry.
Mawsonite  Say MAWSONITE Mineral Image for Mawsonite Mindat locations   Cu+6Fe+++2Sn++++S8 NAME ORIGIN: Named for Douglas Mawson (1882-1958), Australian geologist and Antarctic explorer.
Maxwellite  Say MAXWELLITE Mineral Image for Maxwellite Mindat locations   NaFe+++(AsO4)F NAME ORIGIN: Named for Charles Henry Maxwell (1923-), U. S. Geological Survey.
Mayakite *  (see Majakite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Mayenite  Say MAYENITE Mindat locations   Ca12Al14O33
Mayingite  Say MAYINGITE Mindat locations   IrBiTe NAME ORIGIN: Named after its locality. LOCALITY: Near the village of Maying, about 230 km NNE of Beijing, People's Republic of China.
Mazzettiite !   Mineral Image for Mazzettiite Mindat locations   Ag3HgPbSbTe5 NAME ORIGIN: Named for Giuseppe Mazzetti (1942–2003), curator in chief of the Mineralogy Section of the Museo di Storia Naturale, Università di Firenze.
Mazzite  Say MAZZITE Mineral Image for Mazzite Mindat locations   K2CaMg2(Al,Si)36O72·28(H2O) NAME ORIGIN: Named for Prof. Fiorenzo Mazzi, mineralogist, University of Pavia, Pavia, Italy.
Mazzite-Na !  Say MAZZITE-NA Mindat locations   Na8Al8Si28O72·30(H2O) NAME ORIGIN: Named as the Na-dominat analogue of mazzite(-K).
Mbobomkulite  Say MBOBOMKULITE Mineral Image for Mbobomkulite Mindat locations   (Ni,Cu)Al4(NO3,SO4)2(OH)12·3(H2O) NAME ORIGIN: Named for the locality. LOCALITY: Mbobo Mkulu cave, Nelspruit district, South Africa.
Mcallisterite  Say MCALLISTERITE Mineral Image for Mcallisterite Mindat locations   Mg2B12O14(OH)12·9(H2O)
Mcalpineite  Say MCALPINEITE Mineral Image for Mcalpineite Mindat locations   Cu++3Te++++++O6·(H2O) NAME ORIGIN: For the mine at the type locality. LOCALITY: McAlpine mine, Tuolumne County, California, USA.
Mcauslanite  Say MCAUSLANITE Mindat locations   HFe++3Al2(PO4)4F·18(H2O) NAME ORIGIN: Named for David A. McAuslan, exploration manager, Shell Canada Resources LTD., who discovered the locality. LOCALITY: East Kemptville tin mine, Yarmouth County, NS, Canada.
Mcbirneyite  Say MCBIRNEYITE Mindat locations   Cu3(VO4)2
Mcconnellite  Say MCCONNELLITE Mindat locations   CuCrO2
Mccrillisite  Say MCCRILLISITE Mindat locations   NaCs(Be,Li)Zr2(PO4)4·1-2(H2O) NAME ORIGIN: In honor of the late Dean McCrillis and his son, Philip.
Mcgillite  Say MCGILLITE Mineral Image for Mcgillite Mindat locations   (Mn,Fe++)8Si6O15(OH)8Cl2 NAME ORIGIN: Named for McGill University, Montreal, Quebec, Canada.
Mcgovernite  Say MCGOVERNITE Mineral Image for Mcgovernite Mindat locations   Mn9Mg4Zn2As2Si2O17(OH)14 NAME ORIGIN: Named for J. J. McGovern (1915-), Franklin miner and mineral collector.
Mcguinnessite  Say MCGUINNESSITE Mineral Image for Mcguinnessite Mindat locations   (Mg,Cu)2(CO3)(OH)2 NAME ORIGIN: Named for Albert L. McGuinness (1926-1990), mineral dealer, San Mateo, California, USA>
Mckelveyite-(Nd) *  Say MCKELVEYITE-(ND) Mindat locations   (Ba,Sr)(Ca,Na,Nd,REE)(CO3)2·3-10(H2O) NAME ORIGIN: Named after Vincent E. McKelvey, 1916-1985), director of the U.S. Geological Survey.
Mckelveyite-(Y)  Say MCKELVEYITE-(Y) Mindat locations   Ba3Na(Ca,U)Y(CO3)6·3(H2O) NAME ORIGIN: Named after Vincent E. McKelvey, 1916-1985), director of the U.S. Geological Survey.
Mckinstryite  Say MCKINSTRYITE Mineral Image for Mckinstryite Mindat locations   (Ag,Cu)2S NAME ORIGIN: Named for Hugh E. McKinstry (1896-1961), U. S. Economic geologist.
Mcnearite  Say MCNEARITE Mineral Image for Mcnearite Mindat locations   NaCa5H4(AsO4)5·4(H2O) NAME ORIGIN: Named for Elizabeth McNear, mineralogist and crystallographer, University of Geneva, Switzerland.
Medaite  Say MEDAITE Mineral Image for Medaite Mindat locations   (Mn,Ca)6(V+++++,As)Si5O18(OH) NAME ORIGIN: Named for Dr. Francesco Meda (1926-1977), an amateur mineralogist from Turin, Italy.
Medenbachite !  Say MEDENBACHITE Java Crystal form for Medenbachite Mindat locations   Bi2Fe+++(Cu,Fe+++)(O,OH)2(OH)2(AsO4)2 NAME ORIGIN: Named for Dr. Olaf Medenbach (1949-) of the University of Bochum, Germany.
Meerschaum *  (see Sepiolite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Megacyclite  Say MEGACYCLITE Mindat locations   Na8KSi9O18(OH)9·19(H2O) NAME ORIGIN: From the Greek for large and cyclical, with reference to the large ringlike groups of silica tetrahedra in the structure.
Megakalsilite !   Mindat locations   KAlSiO4 NAME ORIGIN: Named to reflect the large (MEGA) unit cell relative to kalsilite.
Meionite  Say MEIONITE Mineral Image for Meionite Java Crystal form for Meionite Mindat locations   Ca4Al6Si6O24CO3 NAME ORIGIN: From the Greek for "less", referring to its less acute pyramidal form compared with vesuvianite.
Meixnerite  Say MEIXNERITE Mineral Image for Meixnerite Mindat locations   Mg6Al2(OH)18·4(H2O) NAME ORIGIN: Named for Heinrich Herman Meixner (1908-1981), Austrian mineralogist.
Melaconite *  (see Tenorite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Melanite - black *  (see Andradite ) See Also: GOOGLE, Athena, MinDAT, MinMax
Melanocerite-(Ce)  Say MELANOCERITE-(CE) Mineral Image for Melanocerite-(Ce) Mindat locations   (Ce,Th,Ca)5(Si,B)3O12(OH,F)·n(H2O) (?) NAME ORIGIN: Named from the Greek meaning "black" and the composition (Cerium).
Melanochalcite *  (see Tenorite ) See Also: GOOGLE, Athena,