Jeff Weissman's Image Gallery

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Images from Jeff Weissman

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Jeff Weissman's Image Gallery With 1177 Images

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

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

Magnesiohulsite Image

Images:

Magnesiohulsite: (Mg,Fe++)2(Mg,Fe+++,Sn++++)O2(BO3)

Comments: Green fibrous massive magnesiohulsite.
Location: Itenyurgin, Chukot Peninsula, Magadan District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiokatophorite Image

Images:

Magnesiokatophorite: Na(CaNa)Mg4AlSi7AlO22(OH)2

Comments: Black crystalline magnesiokatophorite in syenite.
Location: Kipiwa Complex, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnesiotaramite Image

Images:

Magnesiotaramite: Na(CaNa)Mg3ALFe+++[Si6Al2O22](OH)2

Comments: Dark blue granular massive magnesiotaramite.
Location: Liset, Selje, Sogn og Fjordane, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnetite Image

Images:

Magnetite: Fe++Fe+++2O4
Chesterite: (Mg,Fe++)17Si20O54(OH)6

Comments: Green platy chesterite in black, metallic magnetite.
Location: Near Missoula, Missoula County, Montana, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnetoplumbite Image

Images:

Magnetoplumbite: Pb(Fe+++,Mn+++)12O19

Comments: Black magnetoplumbite masses in calcite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magniotriplite Image

Images:

Magniotriplite: (Mg,Fe++,Mn)2(PO4)F

Comments: Red-brown crystalline magniotriplite masses in pegmatite.
Location: Kyrk-Bulak pegmatite, Turkestanskij Range, Os, Kyrgyzstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Magnussonite Image

Images:

Magnussonite: Mn++5As+++3O9(OH,Cl)

Comments: Bright green crystalline magnussonite grains with willemite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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

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

Manganbelyankinite Image

Images:

Manganbelyankinite: (Mn,Ca)(Ti,Nb)5O12·9(H2O)

Comments: Brownish to blackish manganbelyankinite coatings on syenite rock.
Location: Punkurvaiv, Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganberzeliite Image

Images:

Manganberzeliite: (Ca,Na)3(Mn,Mg)2(AsO4)3

Comments: Orange translucent crystalline manganberzeliite in clear calcite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganite Image

Images:

Manganite: MnO(OH)
Vaterite: CaCO3
Defernite: Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x=0,5)

Comments: Opaque white fibrous vaterite with red defernite and black manganite.
Location: Kombat Mine, Otavi, Otjozondjupa, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganocummingtonite Image

Images:

Manganocummingtonite: Na(Na,Mn)2(Mg4,Fe+++)5Si8O22(OH)2

Comments: Dark green fibrous manganocummingtonite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganogrunerite Image

Images:

Manganogrunerite: [ ]Mn2Fe++5Si8O22(OH)

Comments: Brown fibrous massive, iron stained manganogrunerite.
Location: Hallefors, Orebro, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganotychite Image

Images:

Manganotychite: Na6(Mn++,Fe++,Mg)2(SO4)(CO3)4
Aegirine: NaFe+++Si2O6

Comments: Pale rose-tan granular manganotychite with black aegirine prism.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Margaritasite Image

Images:

Margaritasite: (Cs,K,H3O)2(UO2)2V2O8·(H2O)

Comments: Bright yellow earthy margaritasite crust on rhyolite.
Location: Margaritas Open Pit Mine, Sierra Pena Blanca, Chihuahua,. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Margarosanite Image

Images:

Margarosanite: Pb(Ca,Mn++)2Si3O9
Minehillite: (K,Na)2-3Ca28(Zn4Al4Si40)O112(OH)16
Wollastonite-1A: CaSiO3

Comments: White pearly crystalline minehillite with white margarosanite and dark gray lead, in pale pink opaque wollastonite (distinguished by blue-white fluorescence).
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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