Mineral Specimen Images (M)

Mineral Thumbnail Images (M)

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Mineral Specimen Images (M) With 774 Images

Magnesiozippeite Image

Images:

Magnesiozippeite: Mg(H2O)3.5(UO2)2(SO4)O2
Marecottite: Mg3(H2O)18[(UO2)4O3(SO4)2]2·10(H2O)

Comments: Powdery and crystalline aggregates of red-brown marecottite and yellow magnesiozippeite on matrix.
Location: Svornost Mine, Jachymov, Bohemia, Czech Republic. Scale: Specimen Size 6.5x9 cm.
© Diederik Visser

Magnesiozippeite Image

Images:

Magnesiozippeite: Mg(H2O)3.5(UO2)2(SO4)O2
Marecottite: Mg3(H2O)18[(UO2)4O3(SO4)2]2·10(H2O)

Magnesite Image

Images:

Magnesite: MgCO3

Comments: Magnesite crystal group. The crystals have rhombic habit. The largest on this specimen is 3.7 cm across.
Location: Brumado Mine, Bahia, Brazil. Scale: Photo by John Veevaert.
© John Veevaert

Magnesite Image

Images:

Magnesite: MgCO3

Magnetite Image

Images:

Magnetite: Fe++Fe+++2O4

Comments: Black, opaque octahedral crystals of magnetite on matrix.
Location: Isle of Ischia, near Naples, Compania, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Magnetite Image

Images:

Magnetite: Fe++Fe+++2O4
Nordenskioldine: CaSnB2O6

Comments: Colorless to white bladed crystals of nordenskiöldine with black magnetite.
Location: Pöhla-Tellerhäuser Gallery, Pöhla, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Magnetite Image

Images:

Magnetite: Fe++Fe+++2O4
Nordenskioldine: CaSnB2O6

Magnetite Image

Images:

Magnetite: Fe++Fe+++2O4
Chesterite: (Mg,Fe++)17Si20O54(OH)6

Comments: Green platy chesterite in black, metallic magnetite.
Location: Near Missoula, Missoula County, Montana, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnetite Image

Images:

Magnetite: Fe++Fe+++2O4

Comments: Black, opaque octahedral crystals of magnetite on matrix.
Location: Isle of Ischia, near Naples, Compania, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Magnetite Image

Images:

Magnetite: Fe++Fe+++2O4
Chesterite: (Mg,Fe++)17Si20O54(OH)6

Magnetoplumbite Image

Images:

Magnetoplumbite: Pb(Fe+++,Mn+++)12O19

Comments: Black magnetoplumbite masses in calcite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnetoplumbite Image

Images:

Magnetoplumbite: Pb(Fe+++,Mn+++)12O19

Comments: Black magnetoplumbite masses in calcite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magniotriplite Image

Images:

Magniotriplite: (Mg,Fe++,Mn)2(PO4)F

Comments: Red-brown crystalline magniotriplite masses in pegmatite.
Location: Kyrk-Bulak pegmatite, Turkestanskij Range, Os, Kyrgyzstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magniotriplite Image

Images:

Magniotriplite: (Mg,Fe++,Mn)2(PO4)F

Magnussonite Image

Images:

Magnussonite: Mn++5As+++3O9(OH,Cl)

Comments: Bright green crystalline magnussonite grains with willemite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnussonite Image

Images:

Magnussonite: Mn++5As+++3O9(OH,Cl)

Mahnertite Image

Images:

Mahnertite: (Na,Ca)Cu++3(AsO4)2Cl·5(H2O)

Comments: Blue mahnertite in quartz.
Location: Cap Garonne Mine, Pradet, Var, Provence-Alpes-Côte d'Azur, France. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Mahnertite Image

Images:

Mahnertite: (Na,Ca)Cu++3(AsO4)2Cl·5(H2O)

Comments: Blue mahnertite in quartz.
Location: Cap Garonne Mine, Pradet, Var, Provence-Alpes-Côte d'Azur, France. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Majorite Image

Images:

Majorite: Mg3(Fe,Al,Si)2(SiO4)3
Lingunite: (Na,Ca)AlSi3O8
Ringwoodite: Mg2SiO4

Comments: BSE image showing chondritic xenoliths and impact melt veins of lingunite (Lgt). Olivine (Olv), pyroxene (Pyx), maskelynite (Ms glass), ringwoodite (Rgt), and majorite (Mjt). Meteoritics & Planetary Science 43, No 5, 823-828 (2008).
Location: Polished thin section of the Sixiangkou meteorite. Scale: See Image.
© Meteoritics & Planetary Science

Majorite Image

Images:

Majorite: Mg3(Fe,Al,Si)2(SiO4)3
Lingunite: (Na,Ca)AlSi3O8
Ringwoodite: Mg2SiO4

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