Mineral Specimen Images (M)

Mineral Thumbnail Images (M)

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Mineral Specimen Images (M) With 774 Images

Mascagnite Image

Images:

Mascagnite: (NH4)2SO4

Comments: White, botryoidal mascagnite.
Location: Carola Mine, Freital, Dresden, Saxony, Germany. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Mascagnite Image

Images:

Mascagnite: (NH4)2SO4
Lecontite: (NH4,K)Na(SO4)·2(H2O)

Comments: SEM BSE image of fine-grained lecontite (Le) and thenardite, occupying the space between mascagnite (M) crystals. CanMin 47:573.
Location: Coal-waste heap in Avion, northern France, that has been undergoing subsurface combustion for several decades. Scale: See Image.
© Canadian Mineralogist

Maslovite Image

Images:

Maslovite: PtBiTe
Froodite: PdBi2
Altaite: PbTe

Comments: Reflected light photomicrograph of maslovite (M), froodite (F), and altaite (A), in chalcopyrite matrix.
Location: Oktyabr'skoye Mine, Norilsk, Krasnoyarsk Territory, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Maslovite Image

Images:

Maslovite: PtBiTe
Froodite: PdBi2
Altaite: PbTe

Massicot Image

Images:

Massicot: PbO

Comments: Small nugget of reddish-yellow massicot.
Location: Wytheville, Wythe Co., Virginia, USA. Scale: 18x10x5 mm.
© John Betts - Fine Minerals

Massicot Image

Images:

Massicot: PbO
Litharge: PbO

Comments: Dark red litharge with brownish-yellow scaly massicot and white cerussite.
Location: Patagonia, Santa Cruz County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Massicot Image

Images:

Massicot: PbO
Litharge: PbO

Massicot Image

Images:

Massicot: PbO

Comments: Small nugget of reddish-yellow massicot.
Location: Wytheville, Wythe Co., Virginia, USA. Scale: 18x10x5 mm.
© John Betts - Fine Minerals

Masutomilite Image

Images:

Masutomilite: K(Li,Al,Mn++)3[(Si,Al)4O10](F,OH)2

Comments: Transparent to translucent micaceous pale violet masutomilite with yellow iron stains.
Location: Hisu Kawa Mine, Gifu, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Masutomilite Image

Images:

Masutomilite: K(Li,Al,Mn++)3[(Si,Al)4O10](F,OH)2

Masuyite Image

Images:

Masuyite: Pb[(UO2)3O3(OH)2]·3(H2O)

Comments: Bright reddish orange crystals of masuyite.
Location: Shinkolobwe mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Masuyite Image

Images:

Masuyite: Pb[(UO2)3O3(OH)2]·3(H2O)

Comments: Dark reddish brown aggregate of masuyite with green metatorbernite on matrix.
Location: Musonoi mine, Kolwezi, Shaba, (Katanga), Congo (Zaïre). Scale: Picture size 2 mm.
© Paul M. Schumacher

Masuyite Image

Images:

Masuyite: Pb[(UO2)3O3(OH)2]·3(H2O)

Masuyite Image

Images:

Masuyite: Pb[(UO2)3O3(OH)2]·3(H2O)

Mathiasite Image

Images:

Mathiasite: (K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38

Comments: Mathiasite (M) exhibiting typical curvilinear cracks and incipient decomposition (upper left and lower right). Sample JFIS-I, Jagersfontein. Reflected light in air. (AmMin, v68:494).
Location: Metasomatized peridotites and heavy media concentrates from four kimberlites in the Republic of South Africa. Scale: Scale Bar 0.2 mm.
© American Mineralogist

Mathiasite Image

Images:

Mathiasite: (K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38

Matildite Image

Images:

Matildite: AgBiS2
Bismuth: Bi
Bismuthinite: Bi2S3

Comments: SEM image of native Bi replaced by bismuthinite and matildite. Black areas represent gangue minerals. (CanMin, v43:899).
Location: Uranium deposit at Niederschlema-Alberoda, Germany. Scale: See Image.
© Canadian Mineralogist

Matildite Image

Images:

Matildite: AgBiS2

Comments: Gray platy metallic crystalline matildite in white quartz.
Location: Sullivan Mountain, Montezuma District, Summit County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Matildite Image

Images:

Matildite: AgBiS2

Matildite Image

Images:

Matildite: AgBiS2
Bismuth: Bi
Bismuthinite: Bi2S3

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