Mineral Specimen Images (M)

Mineral Specimen Images (M)
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Mineral Specimen Images (M) With 774 Images

Mawsonite Image

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Mawsonite: Cu+6Fe+++2Sn++++S8

Comments: Mawsonite inclusions in brassy yellow chalcopyrite.
Location: Mount Lyell, Queenstown, Tasmania, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mawsonite Image

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Mawsonite: Cu+6Fe+++2Sn++++S8

Comments: Polished Secton (PPL) showing traces of digenite (dig) throughout massive bornite (bn). A large grain of mawsonite (mw) is present at the bottom right.
Location: Kidd Creek Volcanogenic Massive Sulfide deposit, Western Abitibi Subprovince, Timmins, Ontario, Canada. Scale: Picture Size 0.5 mm.
© National Resouces of Canada

Mawsonite Image

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Mawsonite: Cu+6Fe+++2Sn++++S8

Comments: Polished Secton (PPL) showing traces of digenite (dig) throughout massive bornite (bn). A large grain of mawsonite (mw) is present at the bottom right.
Location: Kidd Creek Volcanogenic Massive Sulfide deposit, Western Abitibi Subprovince, Timmins, Ontario, Canada. Scale: Picture Size 0.5 mm.
© National Resouces of Canada

Mawsonite Image

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Mawsonite: Cu+6Fe+++2Sn++++S8

Comments: Mawsonite inclusions in brassy yellow chalcopyrite.
Location: Mount Lyell, Queenstown, Tasmania, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Maxwellite Image

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Maxwellite: NaFe+++(AsO4)F

Comments: Minute red translucent maxwellite crystal in rhyolite.
Location: Squaw Creek Tin Mine, Black Range, Catron County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Maxwellite Image

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Maxwellite: NaFe+++(AsO4)F

Comments: Minute red translucent maxwellite crystal in rhyolite.
Location: Squaw Creek Tin Mine, Black Range, Catron County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mayenite Image

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Mayenite: Ca12Al14O33

Comments: Gray mayenite grains in matrix.
Location: Bellerberg, Eifel, Germany. Scale: Picture size 1 mm.
© Diederik Visser

Mayenite Image

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Mayenite: Ca12Al14O33

Comments: Gray mayenite grains in matrix.
Location: Bellerberg, Eifel, Germany. Scale: Picture size 1 mm.
© Diederik Visser

Mazzettiite Image

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Mazzettiite: Ag3HgPbSbTe5

Comments: Back-scattered electron photograph (SEM) of mazzettiite (M), associated with altaite (A), galena (G) and quartz (Q).
Location: Museum specimen in the Mineralogical Collection of the Institut royal des Sciences naturelles de Belgique, Bruxelles (Belgium). Findlay Gulch, Saguache Co., Colorado, USA. Scale: See Image.
© Canadian Mineralogist

Mazzettiite Image

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Mazzettiite: Ag3HgPbSbTe5

Comments: Back-scattered electron photograph (SEM) of mazzettiite (M), associated with altaite (A), galena (G) and quartz (Q).
Location: Museum specimen in the Mineralogical Collection of the Institut royal des Sciences naturelles de Belgique, Bruxelles (Belgium). Findlay Gulch, Saguache Co., Colorado, USA. Scale: See Image.
© Canadian Mineralogist

Mazzite-Mg Image

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Mazzite-Mg: K2CaMg2(Al,Si)36O72·28(H2O)

Comments: Clear colorless microcrystals and crystalline mazzite in vug.
Location: Mont Simiol, Loire, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mazzite-Mg Image

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Mazzite-Mg: K2CaMg2(Al,Si)36O72·28(H2O)

Comments: Clear colorless microcrystals and crystalline mazzite in vug.
Location: Mont Simiol, Loire, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mazzite-Na Image

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Mazzite-Na: Na8Al8Si28O72·30H2O

Comments: Silky mazzite-Na fibers filling a cavity in basalt.
Location: Open pit of the U.S. Borax mine at Boron, California. Scale: Specimen size 5 mm.
© American Mineralogist

Mazzite-Na Image

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Mazzite-Na: Na8Al8Si28O72·30H2O

Comments: Silky mazzite-Na fibers filling a cavity in basalt.
Location: Open pit of the U.S. Borax mine at Boron, California. Scale: Specimen size 5 mm.
© American Mineralogist

Mbobomkulite Image

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Mbobomkulite: (Ni,Cu)Al4(NO3,SO4)2(OH)12·3(H2O)

Comments: White earthy mbobomkulite.
Location: Jomac Uranium mine, White Canyon, San Juan Co., Utah, USA. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Mbobomkulite Image

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Mbobomkulite: (Ni,Cu)Al4(NO3,SO4)2(OH)12·3(H2O)

Comments: White earthy mbobomkulite.
Location: Jomac Uranium mine, White Canyon, San Juan Co., Utah, USA. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Mcallisterite Image

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Mcallisterite: Mg2B12O14(OH)12·9(H2O)

Comments: Tan to white opaque porous aggregate of mcallisterite.
Location: Qinghai, China. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mcallisterite Image

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Mcallisterite: Mg2B12O14(OH)12·9(H2O)

Comments: Tan to white opaque porous aggregate of mcallisterite.
Location: Qinghai, China. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mcalpineite Image

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Mcalpineite: Cu++3Te++++++O6·(H2O)

Comments: Dark green crystals of mcalpineite in matrix.
Location: Centennial Eureka Mine, Tintic District, Juab Co., Utah, USA. Scale: Picture size 1.7 mm.
© Thomas Witzke / Abraxas-Verlag

Mcalpineite Image

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Mcalpineite: Cu++3Te++++++O6·(H2O)

Comments: Dark green crystals of mcalpineite in matrix.
Location: Centennial Eureka Mine, Tintic District, Juab Co., Utah, USA. Scale: Picture size 1.7 mm.
© Thomas Witzke / Abraxas-Verlag
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