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Mooreite: (Mg,Zn,Mn)15(SO4)2(OH)26·8(H2O)
Comments: Translucent, wedge-shaped crystals of mooreite on matrix. Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Moorhouseite: (Co,Ni,Mn)SO4·6(H2O)
Comments: Pink crystalline moorhouseite in sandstone. Location: Cameron, Coconino County, Arizona, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Mopungite: NaSb(OH)6
Comments: White mopungite encrustations. Location: Cetine di Cotorniano Mine (Cetine Mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 7 mm. © Thomas Witzke / Abraxas-Verlag
Moraesite: Be2(PO4)(OH)·4(H2O) Glucine: CaBe4(PO4)2(OH)4·0.5(H2O)
Comments: Light brown glucine with white moraesite. Location: Boevskoye Mine, Sverdlovsk District, Middle Urals, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Moraesite: Be2(PO4)(OH)·4(H2O)
Comments: Silky, tufted crystals of white moraesite on matrix. Location: Divino das Laranjeiras, Minas Gerais, Brazil. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Mordenite: (Ca,Na2,K2)Al2Si10O24·7(H2O) Heulandite-Ca: (Ca,Na)2-3Al3(Al,Si)2Si13O36·12(H2O)
Comments: White, acicular crystals of mordenite in heulandite geode. Location: Rock Creek, Stevenson, Skamania County, Washington, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Comments: Pink heulandite crystals up to 15 mm in fibrous white mordenite matrix. Location: Rats Nest Claim, Challis, Custer Co., Idaho, USA. Scale: 6x6x4 cm. © John Betts - Fine Minerals
Morenosite: NiSO4·7(H2O)
Comments: Pale greenish blue crust of morenosite. Location: Gorner Glacier, Furi, Zermatt, Wallis (Valais), Switzerland. Scale: Picture size 5 mm. © Thomas Witzke / Abraxas-Verlag
Morimotoite: Ca3TiFe++Si3O12
Comments: Dark-brown morimotoite grains in calcite-wollastonite skarn from the type locality, ID confirmed by microprobe and XRD analyses. Location: Fuka mine, Bitchu-cho (Bicchu-cho), Takahashi, Okayama Prefecture, Chugoku Region, Honshu Island, Japan. Collected by Igor V. Pekov in 2007 under supervising of the specie author from the same point of the outcrop as and holotype specimen. Scale: Specimen Size 17x12x7 mm. © Pavel M. Kartashov
Morinite: NaCa2Al2(PO4)2(F,OH)5·2(H2O)
Comments: Sky blue spheroidal to globular cyrstals of cuprian morinite to 1mm with other phosphates. Location: Silver Coin Mine, Humboldt Co., Nevada, USA. Scale: Overall: 6 x 5 x 2.5 cm. © Tom Loomis / Dakota Matrix
Comments: Pale violet crystalline morinite in white crystalline fluorapatite. Location: Hugo Mine, Keystone, Pennington County, South Dakota, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species