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Minyulite: KAl2(PO4)2(OH,F)·4(H2O) Sincosite: Ca(V++++O)2(PO4)2·5(H2O)
Comments: Pale greenish white acicular radial sprays of minyulite to 8mm with small, green, tabular sincosite. Location: Ross Hannibal mine, Lawrence County, South Dakota. Scale: Picture size 2 cm. © Tom Loomis / Dakota Matrix
Minyulite: KAl2(PO4)2(OH,F)·4(H2O)
Comments: Crystals of minyulite on matrix. Location: St. John's Quarry, Kapunda, South Australia. Scale: Crystal size 4-5 mm to 5 mm. © John Veevaert
Minyulite: KAl2(PO4)2(OH,F)·4(H2O) Aldermanite: Mg5Al12(PO4)8(OH)22·32(H2O)
Comments: White, blocky aldermanite crystals to 2mm completely covering one face of matrix with colorless prismatic Minyulite crystals in sprays to 3mm. Location: Tom's Phosphate quarry, Kapunda, South Australia, Australia. Scale: Overall: 2 x 1.5 x 2 cm. © Tom Loomis / Dakota Matrix
Mirabilite: Na2SO4·10(H2O)
Comments: Colorless grains and indistinct crystals of mirabilite. The mineral dehydrates quickly in dry air and must be preserved in a closed box. Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Misenite: K8H8(SO4)7 (?)
Comments: Colorless absolutely transparent misenite microcrystal (blue box), on white and orange halite.. Location: Cerros Pintados, Pampa del Tamarugal, Iquique Province, Tarapacá Region, Chile. Scale: Approximately 0.05 cm crystal. © Jeff Weissman / Photographic Guide to Mineral Species
Miserite: K1.5-x(Ca, Y,REE)5[Si6O15][Si2O7](OH,F)2·yH2O
Comments: Silky crystalline inclusions of maroon-colored miserite with a dark amphibole and white feldspar. Location: Hodza, Achkan, Kyrgyzstan. Scale: 4.9 x 3.9 cm. © John Veevaert
Mitridatite: Ca2Fe+++3(PO4)3O2·3(H2O)
Comments: Dark brown crystals of mitridatite on whitlockite. Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Mitryaevaite: Al5[(PO4)2[(P,S)O3(OH,O)]2F2(OH)2(H2O)8·6.48(H2O)
Comments: Small grain of white mitryaevaite on sample holder. Location: Northwestern Karatau range, Kazakhstan. Scale: Peg Size 2 mm. © Sergey Vasiliev / Systematic Mineralogy
Mixite: BiCu6(AsO4)3(OH)6·3(H2O)
Comments: Vuggy quartz matrix with green radial sprays of mixite crystals. Location: Northern Star mine, Tintic district, Utah, USA. Scale: 6 x 5 x 4 cm. © John Veevaert
Moctezumite: Pb(UO2)(TeO3)2 Burckhardtite: Pb2(Fe+++,Mn+++)Te++++(AlSi3O10)O2(OH)2·(H2O)
Comments: Pink crusts of burckhardtite with yellow crystalline moctezumite on quartz. Location: Moctezuma Mine, Moctezuma, Sonora, Mexico. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Moctezumite: Pb(UO2)(TeO3)2
Comments: Orange crystals of moctezumite on matrix. Location: Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag