Mineral Specimen Images (M)

Mineral Thumbnail Images (M)

[Up] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M Images] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.

Pages: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39]

Mineral Specimen Images (M) With 774 Images

Maghagendorfite Image

Images:

Maghagendorfite: NaMgMn(Fe++,Fe+++)2(PO4)3

Comments: BSE image of graftonite groundmass (Gft) with microgranules of maghagendorfite (Mhg), triphylite (Trp), ludlamite (Lud), and quartz (Qtz). (CanMin, v46:635).
Location: Brissago Granitic Pegmatites, Western Southern Alps, Canton Ticino, Switzerland. Scale: See Image.
© Canadian Mineralogist

Maghagendorfite Image

Images:

Maghagendorfite: NaMgMn(Fe++,Fe+++)2(PO4)3

Maghemite Image

Images:

Maghemite: gamma-Fe+++2O3

Comments: Fine-grained massive maghemite intermixed with hematite.
Location: Gara Djebilet, Algeria. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Maghemite Image

Images:

Maghemite: gamma-Fe+++2O3

Comments: Fine-grained massive maghemite intermixed with hematite.
Location: Gara Djebilet, Algeria. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesioanthophyllite Image

Images:

Magnesioanthophyllite: (Mg,Fe++)7Si8O22(OH)2
Anthophyllite: [ ]Mg7Si8O22(OH)2

Comments: Schistose amphibolite rock composed primarily of anthophyllite (magnesioanthophyllite is now considered to be anthophyllite).
Location: Winchester, Riverside County, California, USA. Scale: See Image.
© Rruff Database

Magnesioanthophyllite Image

Images:

Magnesioanthophyllite: (Mg,Fe++)7Si8O22(OH)2
Anthophyllite: [ ]Mg7Si8O22(OH)2

Magnesio-arfvedsonite Image

Images:

Magnesio-arfvedsonite: NaNa2(Mg4Fe++)Si8O22(OH)2
Nordite-(La): (Na,Mn)3(Sr,Ca)(La,Ce)(Zn,Mg)Si6O17

Comments: Large tabular crystal of brownish nordite-(La). Accessory minerals are white chalky natrolite and black prismatic magnesioarfvedsonite.
Location: Kirovskii apatite mine (Kirovsky Mine; Kirov Mine), Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: FOV is 12x10 mm.
© Pavel M. Kartashov

Magnesio-arfvedsonite Image

Images:

Magnesio-arfvedsonite: NaNa2(Mg4Fe++)Si8O22(OH)2
Nordite-(La): (Na,Mn)3(Sr,Ca)(La,Ce)(Zn,Mg)Si6O17

Magnesio-arfvedsonite Image

Images:

Magnesio-arfvedsonite: NaNa2(Mg4Fe++)Si8O22(OH)2
Vitusite-(Ce): Na3(Ce,La,Nd)(PO4)2

Comments: Translucent beige-colored vitusite-(Ce) in a rim around a black magnesio-arfvedsonite crystal.
Location: Yubileinaya Vein, Karnasurt Mountain, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Russia. Scale: Specimen Size 4x3x3 cm.
© John Betts - Fine Minerals

Magnesio-arfvedsonite Image

Images:

Magnesio-arfvedsonite: NaNa2(Mg4Fe++)Si8O22(OH)2
Vitusite-(Ce): Na3(Ce,La,Nd)(PO4)2

Magnesioastrophyllite Image

Images:

Magnesioastrophyllite: K2Na[Na(Fe++,Fe+++,Mn)Mg2]Ti2Si8O26(OH)4F

Comments: White chalky mass of magnesioastrophyllite in matrix.
Location: N'orkpakhk Mt., Khibiny Massif, Kola Peninsula, Russia. Scale: Specimen Size 35 x 25 x 10 mm.
© Sergey Vasiliev / Systematic Mineralogy

Magnesioastrophyllite Image

Images:

Magnesioastrophyllite: K2Na[Na(Fe++,Fe+++,Mn)Mg2]Ti2Si8O26(OH)4F

Magnesioaubertite Image

Images:

Magnesioaubertite: (Mg,Cu)Al(SO4)2Cl·14(H2O)
Pickeringite: MgAl2(SO4)4·22(H2O)

Comments: Aqua crystalline magnesioaubertite with white pickeringite.
Location: Grotto di Faraglione, Vulcano, Sicily, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesioaubertite Image

Images:

Magnesioaubertite: (Mg,Cu)Al(SO4)2Cl·14(H2O)
Pickeringite: MgAl2(SO4)4·22(H2O)

Magnesiochromite Image

Images:

Magnesiochromite: MgCr2O4

Comments: Black crystalline magnesiochromite grains in serpentinite.
Location: Red Pit, Fulton Township, Lancaster County, Pennsylvania, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiochromite Image

Images:

Magnesiochromite: MgCr2O4

Magnesioclinoholmquistite Image

Images:

Magnesioclinoholmquistite: Li2(Mg,Fe++)3Al2Si8O22(OH)2
Clinoholmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2
Fluoro-sodic-pedrizite: NaLi2(Mg2Al2Li)S5Si8O22F2

Comments: Dark blue fibrous clinoholmquistite with radiating structure, variety magnesioclinoholmquistite. Clinoholmsquitite may be a new aphibole, fluoro-sodic-pedrizite..
Location: Near Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesioclinoholmquistite Image

Images:

Magnesioclinoholmquistite: Li2(Mg,Fe++)3Al2Si8O22(OH)2
Clinoholmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2
Fluoro-sodic-pedrizite: NaLi2(Mg2Al2Li)S5Si8O22F2

Magnesiocopiapite Image

Images:

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

Comments: Pale yellow opaque aggregate of magnesiocopiapite.
Location: Denver Mine, Santa Cruz 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)

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

Pages: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39]