's Image Gallery

Minamiite: (Na,Ca,K)Al3(SO4)2(OH)6

Comments: White granular powdery minamiite aggregate.
Location: Okumanza, Gumma, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Minasgeraisite-(Y): CaY2Be2Si2O10

Comments: SEM image of spherical aggregate of growth-zoned minasgeraisite crystals showing elongation along a and simple pedion termination. (AmMin, v71:603).
Location: Lawa de Sr. Jose Pinto pegmatite body, Jaguaracu, Municipo de Timoteo, Minas Gerais, Brazil. Scale: Tick Marks 10 µm.
© American Mineralogist

Minasragrite: VO(SO4)·5(H2O)  
Patronite: VS4

Comments: Blue coatings of minasragrite on patronite.
Location: Minas Ragra, near Cerro de Pasco, Junin, Peru. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Minehillite: (K,Na)2-3Ca28(Zn4Al4Si40)O112(OH)16  
Margarosanite: Pb(Ca,Mn++)2Si3O9  
Wollastonite-1A: CaSiO3

Comments: White pearly crystalline minehillite with white margarosanite and dark gray lead, in pale pink opaque wollastonite (distinguished by blue-white fluorescence).
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Minium: Pb++2Pb++++O4

Comments: Bright orange minium with curved, conchoidal surfaces.
Location: Santa Fé Mine, Bolaños, Mun. de Bolaños, Jalisco, Mexico. Scale: 33x22x14 mm.
© John Betts - Fine Minerals

Minnesotaite: (Fe++,Mg)3Si4O10(OH)2

Comments: Greenish-gray dull minnesotaite masses in iron ore matrix.
Location: Virginia, Saint Louis County, Minnesota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Minrecordite: CaZn(CO3)2  
Dioptase: CuSiO2(OH)2

Comments: Blue-green dioptase covered with minute, rhombic crystals of transparent minrecordite one mm or less in size.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: Picture size 1 cm.
© John Veevaert

Minrecordite: CaZn(CO3)2  
Wendwilsonite: Ca2(Mg,Co)(AsO4)2·2(H2O)

Comments: Wendell Wilson, publisher, editor-in-chief of the Mineralogical Record, and the person whom wendwilsonite was named after, kindly provided the mineral name pronunciations for minrecordite and wendwilsonite.
Location: Tucson Convention Center, 50th Tucson Gem and Mineral Show, February 14, 2004. Scale: NA.
© Dave Barthelmy

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)  
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)  
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

Comments: Orange crystals of moctezumite on matrix.
Location: Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

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

Modderite: (Co,Fe)As

Comments: Synthetic crystal of modderite grown for study of this extremely rare mineral.
Location: None, grown in a laboratory. Scale: Grain size 100 µ-m.
© Katie Phillips / Vassar College