Mineral Specimen Images (M)

Mineral Thumbnail Images (M)

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Mineral Specimen Images (M) With 774 Images

Meionite Image

Images:

Meionite: Ca4Al6Si6O24CO3
Kaliophilite: KAlSiO4

Comments: Tan to white fibrous kaliophilite crystal bundle with white translucent meionite on matrix.
Location: Mont Somma, Naples, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Meionite Image

Images:

Meionite: Ca4Al6Si6O24CO3

Comments: Clear meionite crystal on matrix.
Location: Monte Somma (Vesuvius), Campania, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Meixnerite Image

Images:

Meixnerite: Mg6Al2(OH)18·4(H2O)

Comments: Colorless crystals of meixnerite.
Location: Zeilberg Quarry, Maroldsweisach, Bavaria, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Meixnerite Image

Images:

Meixnerite: Mg6Al2(OH)18·4(H2O)

Comments: Colorless crystals of meixnerite.
Location: Zeilberg Quarry, Maroldsweisach, Bavaria, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Melanocerite-(Ce) Image

Images:

Melanocerite-(Ce): (Ce,Th,Ca)5(Si,B)3O12(OH,F)·n(H2O) (?)

Comments: Black, vitreous, crystalline aggregates of melanocerite-(Ce) in matrix.
Location: Cardiff Uranium mine, Wilberforce, Monmouth Township, Haliburton Co., Ontario, Canada. Scale: See Image.
© Paul M. Schumacher

Melanocerite-(Ce) Image

Images:

Melanocerite-(Ce): (Ce,Th,Ca)5(Si,B)3O12(OH,F)·n(H2O) (?)

Melanophlogite Image

Images:

Melanophlogite: SiO2·n(C,H,O,S)

Comments: Yellow, transparent Melanophlogite crystals.
Location: Racalmuto, Sicily, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Melanophlogite Image

Images:

Melanophlogite: SiO2·n(C,H,O,S)

Comments: Yellow, transparent Melanophlogite crystals.
Location: Racalmuto, Sicily, Italy. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Melanotekite Image

Images:

Melanotekite: Pb2Fe+++2Si2O9

Comments: Black metallic granular melanotekite with reddish brown andradite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Melanotekite Image

Images:

Melanotekite: Pb2Fe+++2Si2O9

Melanothallite Image

Images:

Melanothallite: Cu2OCl2
Chloromenite: Cu9O2(SeO3)4Cl6

Comments: Olive green crystalline chloromenite on blue-green melanothallite.
Location: North Break, Second Cone of main fracture eruption, Tolbachik Volcano, Kamchatka District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Melanothallite Image

Images:

Melanothallite: Cu2OCl2

Comments: Bluish green melanothallite grain.
Location: North Break, Second Cone, Main Eruption Site, Tolbachik, Kamchatka District, Russian Far East, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Melanothallite Image

Images:

Melanothallite: Cu2OCl2

Melanothallite Image

Images:

Melanothallite: Cu2OCl2
Chloromenite: Cu9O2(SeO3)4Cl6

Melanovanadite Image

Images:

Melanovanadite: CaV++++2V+++++2O10·5(H2O)

Comments: Dark greenish-black fine-grained massive melanovanadite.
Location: Minas Ragra, near Cerro de Pasco, Junin, Peru. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Melanovanadite Image

Images:

Melanovanadite: CaV++++2V+++++2O10·5(H2O)

Melanterite Image

Images:

Melanterite: Fe++SO4·7(H2O)

Comments: Deep greenish blue encrustation of melanterite. The pistanite variety is copper-bearing where Cu replaces some of the Fe in the crystal structure.
Location: Patagonia District, Arizona, USA. Scale: 5 x 9.5 cm.
© John Veevaert

Melanterite Image

Images:

Melanterite: Fe++SO4·7(H2O)

Melilite Image

Images:

Melilite: (Ca,Na)2(Al,Mg,Fe++)(Si,Al)2O7

Comments: Barrel-shaped root-beer colored melilite crystal with clear nepheline.
Location: Udersdorf, Rhineland-Palatinate, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Melilite Image

Images:

Melilite: (Ca,Na)2(Al,Mg,Fe++)(Si,Al)2O7

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