Mineral Specimen Images (M)

Mineral Thumbnail Images (M)

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Mineral Specimen Images (M) With 774 Images

Maldonite Image

Images:

Maldonite: Au2Bi

Comments: PPL polished section showing maldonite grain associated with native bismuth (Bi) and exsolved bismuth-gold areas..
Location: Escanaba Trough at the southern end of the Gorda Ridge. (Geology, v36:815). Scale: See Image.
© Geology

Maldonite Image

Images:

Maldonite: Au2Bi

Maleevite Image

Images:

Maleevite: BaB2Si2O8

Comments: Backscatter elecron images of (a) an intergrowth of maleevite (Mal) and quartz (Qtz) and unknown Y-silicate (Y-Si); (b) maleevite (Mal) in arfvedsonite and astrophyllite (Astr) (CanMin, v 42, p 109).
Location: Moraine of the Dara-i-Pioz glacier, Alai range, Tien Shan, northern Tajikistan. Scale: See Image.
© Canadian Mineralogist

Maleevite Image

Images:

Maleevite: BaB2Si2O8

Malhmoodite Image

Images:

Malhmoodite: FeZr(PO4)2·4(H2O)

Comments: Small white aggregate of malhmoodite on matrix.
Location: Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland Co., Arkansas, USA. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Malhmoodite Image

Images:

Malhmoodite: FeZr(PO4)2·4(H2O)

Malinkoite Image

Images:

Malinkoite: NaBSiO4

Comments: White to clear glassy mico crystals of malinkoite to less than 0.75mm deep in a vug.
Location: Mont St. Hilaire, Rouville Co., Quebec, Canada. Scale: 2 x 1.5 x 1.5 cm.
© Tom Loomis / Dakota Matrix

Malinkoite Image

Images:

Malinkoite: NaBSiO4

Malladrite Image

Images:

Malladrite: Na2SiF6
Avogadrite: (K,Cs)BF4

Comments: Botryoidal pinkish-white avogadrite with yellow malladrite.
Location: Eruption of 1926, Vesuvius, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Malladrite Image

Images:

Malladrite: Na2SiF6
Avogadrite: (K,Cs)BF4

Comments: Yellow-orange crystalline malladrite with pinkish white avogadrite.
Location: Eruption of 1926, Vesuvius, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Malladrite Image

Images:

Malladrite: Na2SiF6
Avogadrite: (K,Cs)BF4

Malladrite Image

Images:

Malladrite: Na2SiF6
Avogadrite: (K,Cs)BF4

Mallestigite Image

Images:

Mallestigite: Pb3Sb+++++(SO4)(AsO4)(OH)6·3(H2O)

Comments: Colorless prismatic crystals of mallestigite.
Location: Mallestiger Mittagskogel, Finkenstein, Villach, Carinthia, Austria. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Mallestigite Image

Images:

Mallestigite: Pb3Sb+++++(SO4)(AsO4)(OH)6·3(H2O)

Mammothite Image

Images:

Mammothite: Pb6Cu4AlSb+++++O2(SO4)2Cl4(OH)16

Comments: Sparse blue crystalline mammothite in slag.
Location: Laurium, Attiki, Greece. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mammothite Image

Images:

Mammothite: Pb6Cu4AlSb+++++O2(SO4)2Cl4(OH)16

Comments: Sparse blue crystalline mammothite in slag.
Location: Laurium, Attiki, Greece. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manaksite Image

Images:

Manaksite: KNaMn++Si4O10
Bario-olgite: Na(Ba,Sr,Na,REE)PO4

Comments: Pale brown massive manaksite associated with grayish-green bario-olgite, purple ussingite and colorless serandite.
Location: Palitra pegmatite, Kedykverpakhk Mountain, Lovozero massif, Kola Peninsula, Russia. Scale: See Image.
© Rruff Database

Manaksite Image

Images:

Manaksite: KNaMn++Si4O10
Bario-olgite: Na(Ba,Sr,Na,REE)PO4

Manandonite Image

Images:

Manandonite: Li2Al4[(Si2AlB)O10](OH)8

Comments: Massive manandonite with crystals to 2 mm.
Location: Manandona River, Sahatany Valley, Madagascar. Scale: 2.2 x 1.3 cm.
© John Veevaert

Manandonite Image

Images:

Manandonite: Li2Al4[(Si2AlB)O10](OH)8

Comments: Massive manandonite with crystals to 2 mm.
Location: Manandona River, Sahatany Valley, Madagascar. Scale: 2.2 x 1.3 cm.
© John Veevaert

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