Mineral Specimen Images (M)

Mineral Thumbnail Images (M)

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Mineral Specimen Images (M) With 774 Images

Muscovite Image

Images:

Muscovite: KAl2(Si3Al)O10(OH,F)2
Apatite-(CaF): Ca5(PO4)3F
Beryl: Be3Al2Si6O18
Apatite: Ca5(PO4)3(OH,F,Cl)

Comments: Pink crystals of fluorapatite with pale blue beryl (aquamarine) on books of muscovite crystals.
Location: Nagar area, Gilgit district, Northern Areas, Pakistan. Scale: 3 x 3 cm.
© Dan Weinrich

Muscovite Image

Images:

Muscovite: KAl2(Si3Al)O10(OH,F)2

Comments: Pseudo-hexagonal crystalline aggregate of muscovite.
Location: Conselheiro Pena, Minas Gerais, Brazil. Scale: Crystal size 2 cm.
© Dave Barthelmy

Muscovite Image

Images:

Muscovite: KAl2(Si3Al)O10(OH,F)2

Comments: Seams of green muscovite var. fuchsite in quartz matrix with minor pyrite crystals.
Location: Wolfe's Neck locality, Freeport, Cumberland Co., Maine, USA. Scale: 7x5x4 cm.
© John Betts - Fine Minerals

Muscovite Image

Images:

Muscovite: KAl2(Si3Al)O10(OH,F)2

Muscovite Image

Images:

Muscovite: KAl2(Si3Al)O10(OH,F)2

Comments: Pseudo-hexagonal crystalline aggregate of muscovite.
Location: Conselheiro Pena, Minas Gerais, Brazil. Scale: Crystal size 2 cm.
© Dave Barthelmy

Muscovite Image

Images:

Muscovite: KAl2(Si3Al)O10(OH,F)2
Aluminoceladonite: KAl(Mg,Fe++)[ ]Si4O10(OH)2

Comments: Large, 1cm, purple crystals of muscovite/leucophyllite, (var. alurgite which is an intermediate composition to muscovite and leucophyllite (aluminoceladonite).
Location: Ultevis, Sweden. Scale: 5x3.5x3cm.
© Tom Loomis / Dakota Matrix

Mushistonite Image

Images:

Mushistonite: (Cu,Zn,Fe)Sn++++(OH)6
Kesterite: Cu2(Zn,Fe)SnS4

Comments: Sharp, kesterite crystal, greenish in color due to a mushistonite coating with clear, prismatic beryl crystals.
Location: Xue Bao Diang Mountains, north of Pingwu, Sichuan Province, China. Scale: Crystal size 1 cm.
© Dan Weinrich

Mushistonite Image

Images:

Mushistonite: (Cu,Zn,Fe)Sn++++(OH)6

Comments: Green crystalline mushistonite coatings on quartz.
Location: Etta Mine, Keystone, Pennington County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mushistonite Image

Images:

Mushistonite: (Cu,Zn,Fe)Sn++++(OH)6
Kesterite: Cu2(Zn,Fe)SnS4

Mushistonite Image

Images:

Mushistonite: (Cu,Zn,Fe)Sn++++(OH)6

Muthmannite Image

Images:

Muthmannite: AgAuTe2

Comments: Backscattered scanning electron microphotograph of muthmannite (light gray) rimming a sylvanite (dark gray) grain. (AmMin 89:1506).
Location: Museum specimen from a gold-telluride deposit of Sacarîmb, Metaliferi Mountains, western Romania.. Scale: See Image.
© American Mineralogist

Muthmannite Image

Images:

Muthmannite: AgAuTe2

Mutnovskite Image

Images:

Mutnovskite: Pb2AsS3(I,Cl,Br)

Comments: SEM of blocky crystals of mutnovskite. Needle-like crystals of unknown Pb-Bi-As halogensulfosalts, currently under study, appear on the left. AmMin, v91, p22.
Location: Mutnovsky volcano, Kamchatka Peninsula, Russian Federation. Scale: See Image.
© American Mineralogist

Mutnovskite Image

Images:

Mutnovskite: Pb2AsS3(I,Cl,Br)

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