Mineral Specimen Images (M)

Mineral Thumbnail Images (M)

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Mineral Specimen Images (M) With 774 Images

Magnesiohornblende Image

Images:

Magnesiohornblende: Ca2[Mg4(Al,Fe+++)]Si7AlO22(OH)2

Comments: Dark greenish-black massive magnesiohornblende.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 5.5 cm.
© Thomas Witzke / Abraxas-Verlag

Magnesiohornblende Image

Images:

Magnesiohornblende: Ca2[Mg4(Al,Fe+++)]Si7AlO22(OH)2

Comments: Dark greenish-black massive magnesiohornblende.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 5.5 cm.
© Thomas Witzke / Abraxas-Verlag

Magnesiohulsite Image

Images:

Magnesiohulsite: (Mg,Fe++)2(Mg,Fe+++,Sn++++)O2(BO3)

Comments: Green fibrous massive magnesiohulsite.
Location: Itenyurgin, Chukot Peninsula, Magadan District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiohulsite Image

Images:

Magnesiohulsite: (Mg,Fe++)2(Mg,Fe+++,Sn++++)O2(BO3)

Magnesiokatophorite Image

Images:

Magnesiokatophorite: Na(CaNa)Mg4AlSi7AlO22(OH)2

Comments: Black crystalline magnesiokatophorite in syenite.
Location: Kipiwa Complex, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiokatophorite Image

Images:

Magnesiokatophorite: Na(CaNa)Mg4AlSi7AlO22(OH)2

Comments: Black crystalline magnesiokatophorite in syenite.
Location: Kipiwa Complex, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiopascoite Image

Images:

Magnesiopascoite: Ca2Mg[V10O28]·16H2O

Comments: Intergrowth of orange magnesiopascoite crystals on V-U oxide replacement of organic material. CanMin v46:.
Location: Blue Cap mine, near La Sal, San Juan County, Utah, U.S.A.. Scale: Crystal size 2.2mm across.
© Canadian Mineralogist

Magnesiopascoite Image

Images:

Magnesiopascoite: Ca2Mg[V10O28]·16H2O

Magnesioriebeckite Image

Images:

Magnesioriebeckite: [ ]Na2[(Mg,Fe++)3Fe+++2]Si8O22(OH)2

Comments: Crystal of magnesioriebeckite showing massive and asbestosform habits.
Location: Cochabamba Dept, Bolivia. Scale: 2.5 cm.
© John Attard

Magnesioriebeckite Image

Images:

Magnesioriebeckite: [ ]Na2[(Mg,Fe++)3Fe+++2]Si8O22(OH)2

Comments: Crystal of magnesioriebeckite showing massive and asbestosform habits.
Location: Cochabamba Dept, Bolivia. Scale: 2.5 cm.
© John Attard

Magnesiosadanagaite Image

Images:

Magnesiosadanagaite: NaCa2[Mg3(Al,Fe+++)2]Si5AlO22(OH)2

Comments: Magnesiosadanagaite mantled by phlogopite (brown) adjacent to corundum (variety ruby) in white marble. (CanMin, v46:151).
Location: Dattaw mine, Mogok Stone Tract, Mandalay Division, Myanmar. Scale: Picture size 4 cm.
© Canadian Mineralogist

Magnesiosadanagaite Image

Images:

Magnesiosadanagaite: NaCa2[Mg3(Al,Fe+++)2]Si5AlO22(OH)2

Magnesiostaurolite Image

Images:

Magnesiostaurolite: [ ]4Mg4Al16(Al,[ ])2Si8O40[O6,(OH)2]

Comments: White crystals of magnesiostaurolite in rose quartz.
Location: Dora Maira Massif, Cuneo Province, Piedmont, Italy. Scale: Specimen Size 42 x 27 x 25 mm.
© Sergey Vasiliev / Systematic Mineralogy

Magnesiostaurolite Image

Images:

Magnesiostaurolite: [ ]4Mg4Al16(Al,[ ])2Si8O40[O6,(OH)2]

Magnesiotaaffeite-2N2S Image

Images:

Magnesiotaaffeite-2N2S: Mg3Al8BeO16

Comments: Faucetted purple magnesiotaaffeite. These specimens are very rare and un-cut samples ever rarer..
Location: Ceylon gem gravels, Ratnapura, Sri Lanka. Scale: See Image.
© Dave Barthelmy

Magnesiotaaffeite-2N2S Image

Images:

Magnesiotaaffeite-2N2S: Mg3Al8BeO16

Magnesiotaaffeite-6N3S Image

Images:

Magnesiotaaffeite-6N3S: (Mg,Fe++,Zn)2Al6BeO12
Magnesiotaaffeite-2N2S: Mg3Al8BeO16
Taaffeite:

Comments: BSE image of magnesiotaaffeite-6N3S (Mgt-6N3S) with a central lamella of magnesiotaaffeite-2N2S (Mgt-2N2S). Other minerals Spl: spinel; Chl: clinochlore.
Location: Polymetamorphic dolomite marble at Eastern Alps, Stubenberg, Styria, Austria. (CanMin, v46:1195). Scale: See Image.
© Canadian Mineralogist

Magnesiotaaffeite-6N3S Image

Images:

Magnesiotaaffeite-6N3S: (Mg,Fe++,Zn)2Al6BeO12
Magnesiotaaffeite-2N2S: Mg3Al8BeO16
Taaffeite:

Magnesiotaramite Image

Images:

Magnesiotaramite: Na(CaNa)Mg3ALFe+++[Si6Al2O22](OH)2

Comments: Dark blue granular massive magnesiotaramite.
Location: Liset, Selje, Sogn og Fjordane, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiotaramite Image

Images:

Magnesiotaramite: Na(CaNa)Mg3ALFe+++[Si6Al2O22](OH)2

Comments: Dark blue granular massive magnesiotaramite.
Location: Liset, Selje, Sogn og Fjordane, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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