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Mineral Index - M

• Martinite (of Kloos)
  var. of Whitlockite
  Ca₃(PO₄,CO₃OH)₂

• Martinsite (of Karsten)
  syn. of Halite

• Martinsite (of Kenngott)
  syn. of Kieserite

• Martite
  var. of Hematite

• Martourite
  syn. of Berthierite

• Martyite
  Trigonal
  Zn₃(V₂O₇)(OH)₂ · 2H₂O
• Marumoite
  Monoclinic
  Pb₃₂As₄₀S₉₂

• Marvelite
  syn. of Tausonite

• Mascagnin
  syn. of Mascagnite

• Mascagnine
  syn. of Mascagnite

• Mascagnite
  Orthorhombic
  (NH₄)₂SO₄

• Mascareignite
  var. of Opal

• Mascelynite
  syn. of Maskelynite

• Masicotite
  syn. of Massicot

• Masikot
  syn. of Massicot

• Maskeleynite
  syn. of Maskelynite

• Maskelynite
  A type of naturally occurring glass having the composition of a plagioclase series feldspar, created by the vitrification of plagioclase by shock melting in meteorites and meteorite impacts. Originally described from the Shergotty Martian ...

• Maslovite
  PtBiTe

• Masonite
  var. of Chloritoid

• Masrite
  var. of Halotrichite
  (Fe,Mn,Co)Al₂(SO₄)₄·24H₂O

• Massicolite
  syn. of Massicot

• Massicot
  Orthorhombic
  PbO

• Massicottite
  syn. of Massicot

• Mastek
  syn. of Talc

• Masticot
  syn. of Massicot

• Masutomilite
  Monoclinic
  (K,Rb)(Li,Mn³⁺,Al)₃[(F,OH)₂|AlSi₃O₁₀]
• Masuyite
  Orthorhombic
  Pb(UO₂)₃O₃(OH)₂ · 3H₂O

• Matā
  syn. of Lead

• Mathewrogersite
  Trigonal
  Pb₇(Fe²⁺,Cu)Al₃Ge[(OH,H₂O)₆|(Si₃O₉)₄]
• Mathiasite
  Trigonal
  K(Ti,Cr,Fe,Mg,Zr)₂₁O₃₈
• Matildite
  Hexagonal
  AgBiS₂

• Matildite group
  

• Matioliite
  Monoclinic
  NaMgAl₅[(OH)₃|(PO₄)₂]₂ · 2H₂O
• Matlockite
  Tetragonal
  PbFCl

• Matlockite Group
  group name
  MXY

• Matlockite (of Chapman)
  syn. of Phosgenite

• Matlockite (of Greg)
  syn. of Matlockite

• Matorolite
  syn. of Chrome-Chalcedony

• Mátraite
  var. of Sphalerite
  Trigonal
  ZnS

• Matsubaraite
  Monoclinic
  Sr₄Ti₅[O₄|Si₂O₇]₂
• Mattagamite
  Orthorhombic
  CoTe₂
• Matteuccite
  Monoclinic
  NaHSO₄·H₂O
• Mattheddleite
  Hexagonal
  Pb₅(Si_1.5S_1.5)O₁₂(Cl,OH)
• Matulaite
  Monoclinic
  CaAl₁₈[(OH)₅|(PO₄)₃]₄ · 28H₂O

• Matura Diamond
  var. of Zircon

• Matveevite
  var. of Benyacarite
  Orthorhombic

• Maucherite
  Tetragonal
  Ni₁₁As₈

• Maufite
  mixture of Clinochlore, Lizardite

• Mauilite
  syn. of Labradorite

• Mausite
  syn. of Metavoltine

• Mauzeliite
  var. of Roméite
  (Pb,Ca,Na)₂(Sb,Ti)₂(O,OH,F)₇

• Mavinite
  A dark green brittle mica. An intermediate between "xanthophyllite" (= clintonite) and chloritoid. [Clark, 1993 - "Hey's Mineral Index"] Originally described from Mavinhalli, Mysore, Karnataka, India.
  near (Mg,Fe)₃(Al,Fe)₁₂Si₇O₃₅·9H₂O

• Mavlyanovite
  Hexagonal
  Mn₅Si₃
• Mawbyite
  Monoclinic
  Pb(Fe³⁺,Zn)₂[AsO₄]₂ · 2(OH,H₂O)
• Mawsonite
  Tetragonal
  Cu₆Fe₂SnS₈

• Maxaxite
  syn. of Maxixe-Aquamarine

• Maxite
  syn. of Leadhillite

• Maxixe-Aquamarine
  var. of Beryl

• Maxwellite
  Monoclinic
  NaFe³⁺[F|AsO₄]

• Maxwellite-Tilasite Series
  a series between Maxwellite and Tilasite
  Monoclinic

• Maxy
  syn. of Marcasite

• Mayaite
  syn. of Omphacite

• Mayakite
  syn. of Majakite

• Mayberyite
  var. of Petroleum

• Mayenite
  Isometric
  Ca₁₂Al₁₄O₃₃
• Mayingite
  Isometric
  IrBiTe

• Mazapilite
  syn. of Arseniosiderite

• Mazzettiite
  Orthorhombic
  Ag₃HgPbSbTe₅

• Mazzite
  a series between Mazzite-Na and Mazzite-Mg

• Mazzite-Mg
  Hexagonal
  K₂Mg₂Ca_1.5Al_9.5Si_26.5O₇₂·28H₂O or near
• Mazzite-Na
  Hexagonal
  Na₄[Al₄Si₁₄O₃₆]₂ · 30H₂O

• Mazzit-Na
  syn. of Mazzite-Na

• Mbobomkulite
  Monoclinic
  (Ni,Cu)Al₄[(OH)₁₂|{(NO₃)₂,SO₄}] · 3H₂O

• Mboziite
  var. of Taramite
  [(Na,K)][CaNa][Fe²⁺₃AlFe³⁺[(OH)₂|Al₂Si₆O₂₂]

• Mcallisterite
  Trigonal
  Mg₂[B₆O₇(OH)₆]₂ · 9H₂O