's Image Gallery

Mallestigite: Pb3Sb+++++(SO4)(AsO4)(OH)6·3(H2O)

Comments: Colorless prismatic crystals of mallestigite.
Location: Mallestiger Mittagskogel, Finkenstein, Villach, Carinthia, Austria. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Mammothite: Pb6Cu4AlSb+++++O2(SO4)2Cl4(OH)16

Comments: Sparse blue crystalline mammothite in slag.
Location: Laurium, Attiki, Greece. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manaksite: KNaMn++Si4O10  
Bario-olgite: Na(Ba,Sr,Na,REE)PO4

Comments: Pale brown massive manaksite associated with grayish-green bario-olgite, purple ussingite and colorless serandite.
Location: Palitra pegmatite, Kedykverpakhk Mountain, Lovozero massif, Kola Peninsula, Russia. Scale: See Image.
© Rruff Database

Manandonite: Li2Al4[(Si2AlB)O10](OH)8

Comments: Massive manandonite with crystals to 2 mm.
Location: Manandona River, Sahatany Valley, Madagascar. Scale: 2.2 x 1.3 cm.
© John Veevaert

Manasseite: Mg6Al2(CO3)(OH)16·4(H2O)

Comments: Brownish yellow crystal of manasseite on dolomite matrix.
Location: Jacupiranga mine, Jacupiranga, Sao Paolo, Brazil. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Mandarinoite: Fe+++2Se3O9·6(H2O)

Comments: Specimen of solid manandonite with crystals to 2 mm.
Location: Manandona River, Sahatany Valley, Madagascar. Scale: 2.2 x 1.3 cm.
© John Veevaert

Manganbabingtonite: Ca2(Mn,Fe++)Fe+++Si5O14(OH)

Comments: Brownish black manganbabingtonite associated with pink Inesite blades.
Location: Hubei, China. Scale: 8 x 5.7 cm.
© Fabre Minerals

Manganbelyankinite: (Mn,Ca)(Ti,Nb)5O12·9(H2O)

Comments: Brownish to blackish manganbelyankinite coatings on syenite rock.
Location: Punkurvaiv, Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganberzeliite: (Ca,Na)3(Mn,Mg)2(AsO4)3

Comments: Orange translucent crystalline manganberzeliite in clear calcite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mangangordonite: (Mn++,Fe++,Mg)Al2(PO4)2(OH)2·8(H2O)

Comments: White, blocky crystal of mangangordonite to 0.5mm on matrix.
Location: Foote mine, Cleveland Co., North Carolina, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Manganiandrosite-(La): (Mn,Ca)(La,Ce,Ca,Nd)AlMn+++Mn++(SiO4)(Si2O7)O(OH)

Comments: Orange glassy crystalline manganiandrosite-(La).
Location: Mt. Petalon, Andros Island, Cyclades, Greece. Scale: Thumbnail.
© Tom Loomis / Dakota Matrix

Manganilvaite: CaFe++Fe+++(Mn,Fe++)(Si2O7)O(OH)

Comments: Small, black, very bright crystals of manganilvaite on a matrix of clear quartz, white calcite, and tiny brassy pyrite crystals.
Location: Daye mining area, Hubei, China. Scale: 6 x 5.6 x 3.7 cm.
© Fabre Minerals

Manganipiemontite-(Sr): CaSr(Mn+++,Fe+++)2Al[Si3O12](OH)

Comments: Thin-section of (100) twinned tweddillite blades (red-orange-magenta ) in a matrix of serandite-pectolite (white-grey-yellow). Crossed polarizers. (MinMag 66:144).
Location: Kalahari manganese fields (Republic of South Africa). Scale: Picture Size 1 mm.
© Mineralogical Magazine

Manganite: MnO(OH)

Comments: Lustrous feathery crystals of manganite to 0.75 cm.
Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 7.8 x 4.2 cm.
© John Veevaert

Manganite: MnO(OH)  
Sudoite: Mg2(Al,Fe+++)3Si3AlO10(OH)8

Comments: Pinkish to nearly white earthy sudoite with dark manganite.
Location: Ilfeld, Nordhausen, Erfurt district, Harz Mts, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Manganite: MnO(OH)  
Vaterite: CaCO3  
Defernite: Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x=0,5)

Comments: Opaque white fibrous vaterite with red defernite and black manganite.
Location: Kombat Mine, Otavi, Otjozondjupa, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganlotharmeyerite: Ca(Mn+++,Mg,)2(AsO4)2(OH,H2O)2

Comments: Scanning electron micrograph of subparallel crystals of manganlotharmeyerite.
Location: Massive braunite ores at the Starlera Mn deposit in the Eastern Alps of Switzerland. Scale: See Picture.
© Canadian Mineralogist

Manganochromite: (Mn,Fe++)(Cr,V)2O4

Comments: B&W polished section image showing a somewhat irregular manganochromite grain (pale grey) lying between hexagonal pyrrhotite (white) and a large diopside crystal (grey).
Location: Nairne pyrite formation, (Shepard's Hill Quarry), Brukunga, 47km east of Adelaide, South Australia. (AmMin, v63:1166). Scale: FOV 450 µm.
© American Mineralogist

Manganocummingtonite: Na(Na,Mn)2(Mg4,Fe+++)5Si8O22(OH)2

Comments: Dark green fibrous manganocummingtonite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganogrunerite: [ ]Mn2Fe++5Si8O22(OH)

Comments: Brown fibrous massive, iron stained manganogrunerite.
Location: Hallefors, Orebro, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species