Mineral Specimen Images (M)

Mineral Thumbnail Images (M)

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Mineral Specimen Images (M) With 774 Images

Magnesiocopiapite Image

Images:

Magnesiocopiapite: MgFe+++4(SO4)6(OH)2·20(H2O)
Guildite: CuFe+++(SO4)2(OH)·4(H2O)

Comments: Brown granular guildite with greenish yellow magnesiocopiapite.
Location: United Verde Mine, Jerome, Yavapai County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiocopiapite Image

Images:

Magnesiocopiapite: MgFe+++4(SO4)6(OH)2·20(H2O)
Guildite: CuFe+++(SO4)2(OH)·4(H2O)

Magnesiocoulsonite Image

Images:

Magnesiocoulsonite: MgV+++2O4
Tremolite: [ ]Ca2Mg5Si8O22(OH)2

Comments: Black grains of magnesiocoulsonite with green chromian tremolite. Metallic bronze grain of thiospinelid of kalininite-florensovite series is visible in the upper right corner of the image.
Location: Pereval Marble Quarry, Slyudyanka (Sludyanka), Lake Baikal area, Irkutskaya Oblast', Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia. Scale: FOV is 3x2 mm.
© Pavel M. Kartashov

Magnesiocoulsonite Image

Images:

Magnesiocoulsonite: MgV+++2O4
Tremolite: [ ]Ca2Mg5Si8O22(OH)2

Magnesioferrikatophorite Image

Images:

Magnesioferrikatophorite: Na2Ca(Mg,Fe++)4Fe+++Si7AlO22(OH)2

Comments: Double-terminated short-prismatic crystal of titanoan (2.17 % TiO2) magnesioferrikatophorite from a nephelin-syenite pegmatite.
Location: Northeast slope, Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Not Given.
© Pavel M. Kartashov

Magnesioferrikatophorite Image

Images:

Magnesioferrikatophorite: Na2Ca(Mg,Fe++)4Fe+++Si7AlO22(OH)2

Magnesioferrite Image

Images:

Magnesioferrite: MgFe+++2O4
Bromellite: BeO

Comments: A micro, water color, hexagonal or barrel shaped crystal of white bromellite to about 0.3 mm on yellowish calcite with associated black magnesioferrite.
Location: Langban, Varmland, Sweden. Scale: 18x9x10mm.
© Tom Loomis / Dakota Matrix

Magnesioferrite Image

Images:

Magnesioferrite: MgFe+++2O4
Bromellite: BeO

Magnesioferrite Image

Images:

Magnesioferrite: MgFe+++2O4
Diopside: CaMgSi2O6

Comments: Very dark brown Magnesioferrite Pleonaste (Iron-Magnesium spinel) with cream colored Calcite and gray green diopside.
Location: Aldan, Gon River, Russia. Scale: 6 x 4.5 cm.
© Fabre Minerals

Magnesioferrite Image

Images:

Magnesioferrite: MgFe+++2O4
Diopside: CaMgSi2O6

Magnesiofoitite Image

Images:

Magnesiofoitite: [ ](Mg2Al)Al6(Si6O18)(BO3)3(OH)4

Comments: Aggregate of greenish-brown acicular crystals of magnesiofoitite.
Location: Kyonosawa, Mitomi-mura, Yamanashi prefecture, Chubu region, Honshu island, Japan. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Magnesiofoitite Image

Images:

Magnesiofoitite: [ ](Mg2Al)Al6(Si6O18)(BO3)3(OH)4

Magnesiogedrite Image

Images:

Magnesiogedrite: (Mg,Fe++)5Al2Si6Al2O22(OH)2
Gedrite: [ ]Mg5Al2Si6Al2O22(OH)2

Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite).
Location: Bamble, Telemark, Norway. Scale: See Image.
© Rruff Database

Magnesiogedrite Image

Images:

Magnesiogedrite: (Mg,Fe++)5Al2Si6Al2O22(OH)2
Gedrite: [ ]Mg5Al2Si6Al2O22(OH)2

Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite).
Location: Bamble, Telemark, Norway. Scale: See Image.
© Rruff Database

Magnesiohastingsite Image

Images:

Magnesiohastingsite: NaCa2(Mg4Fe+++)Si6Al2O22(OH)2

Comments: Dark black-brown crystalline massive magnesiohastingsite.
Location: Afrikanda Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiohastingsite Image

Images:

Magnesiohastingsite: NaCa2(Mg4Fe+++)Si6Al2O22(OH)2

Magnesiohogbomite-2N2S Image

Images:

Magnesiohogbomite-2N2S: (Al,Fe++,Fe+++,Mg,Ti,Zn)11O15(OH)

Comments: Massive, fine-grained magnesiohogbomite-2N2S.
Location: Ruoutevare, Kvikkjokk, Lappland, Sweden. Scale: Specimen Size 3 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiohogbomite-2N2S Image

Images:

Magnesiohogbomite-2N2S: (Al,Fe++,Fe+++,Mg,Ti,Zn)11O15(OH)

Magnesioholmquistite Image

Images:

Magnesioholmquistite: Li2(Mg,Fe++)3Al2Si8O22(OH)2
Holmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2

Comments: Dark blue thin bladed crystals of holmquistite (magnesioholmquistite) in amphibolite.
Location: Uto, Sodermanland, Sweden. Scale: See Image.
© Rruff Database

Magnesioholmquistite Image

Images:

Magnesioholmquistite: Li2(Mg,Fe++)3Al2Si8O22(OH)2
Holmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2

Comments: Dark blue thin bladed crystals of holmquistite (magnesioholmquistite) in amphibolite.
Location: Uto, Sodermanland, Sweden. Scale: See Image.
© Rruff Database

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