Mineral Specimen Images (M)

Mineral Specimen Images (M)
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Mineral Specimen Images (M) With 774 Images

Mendozite Image

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Mendozite: NaAl(SO4)2·11(H2O)

Comments: White chalky massive mendozite.
Location: Gold Bottom Mine, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mendozite Image

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Mendozite: NaAl(SO4)2·11(H2O)

Comments: White chalky massive mendozite.
Location: Gold Bottom Mine, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Meneghinite Image

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Meneghinite: Pb13CuSb7S24

Comments: Black, acicular crystals of meneghinite on matrix.
Location: Bottino Mine, Tuscany, Italy. Scale: 1x1 cm.
© Dave Barthelmy

Meneghinite Image

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Meneghinite: Pb13CuSb7S24

Comments: Black, acicular crystals of meneghinite on matrix.
Location: Bottino Mine, Tuscany, Italy. Scale: 1x1 cm.
© Dave Barthelmy

Menezesite Image

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Menezesite: Ba2MgZr4(BaNb12O42)·12H2O

Comments: Orange rhombododecahedral crystals of menezesite to 0.75mm on matrix.
Location: Jacupiranga mine, Cajati county, Sao Paulo, Brazil. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Menezesite Image

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Menezesite: Ba2MgZr4(BaNb12O42)·12H2O

Comments: Brownish-red rhombododecahedral crystals of menezesite over calcite (with tiny black tochilinite inclusions). AmMin v93:82.
Location: Jacupiranga mine, in Cajati county, São Paulo state, Brazil. Scale: Crystal size 0.5 mm.
© American Mineralogist

Menezesite Image

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Menezesite: Ba2MgZr4(BaNb12O42)·12H2O

Comments: Orange rhombododecahedral crystals of menezesite to 0.75mm on matrix.
Location: Jacupiranga mine, Cajati county, Sao Paulo, Brazil. Scale: Picture size 1 cm.
© Tom Loomis / Dakota Matrix

Menezesite Image

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Menezesite: Ba2MgZr4(BaNb12O42)·12H2O

Comments: Brownish-red rhombododecahedral crystals of menezesite over calcite (with tiny black tochilinite inclusions). AmMin v93:82.
Location: Jacupiranga mine, in Cajati county, São Paulo state, Brazil. Scale: Crystal size 0.5 mm.
© American Mineralogist

Menshikovite Image

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Menshikovite: Pd3Ni2As3  
Paolovite: Pd2Sn

Comments: BSE image showing menshikovite (mnv), paolovite (plv), isomertieite (ism), cobaltite (cob), and chalcopyrite (ccp) with quartz (qtz) and a Fe-rich aluminosilicate (sil).
Location: Lower (exo)-contact of the Chiney intrusion in Siberia. (CanMin, v40:679). Scale: See Image.
© Canadian Mineralogist

Menshikovite Image

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Menshikovite: Pd3Ni2As3  
Paolovite: Pd2Sn

Comments: BSE image showing menshikovite (mnv), paolovite (plv), isomertieite (ism), cobaltite (cob), and chalcopyrite (ccp) with quartz (qtz) and a Fe-rich aluminosilicate (sil).
Location: Lower (exo)-contact of the Chiney intrusion in Siberia. (CanMin, v40:679). Scale: See Image.
© Canadian Mineralogist

Mercallite Image

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Mercallite: KHSO4

Comments: Pale blue to white powdery aggregate of mercallite.
Location: Vesuvius, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mercallite Image

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Mercallite: KHSO4

Comments: Pale blue to white powdery aggregate of mercallite.
Location: Vesuvius, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mercury Image

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Mercury: Hg

Comments: Small silvery droplets of mercury on tan-colored rock matrix.
Location: Sonoma Co., California, USA. Scale: Picture size 5 cm.
© Kevin Ward

Mercury Image

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Mercury: Hg

Comments: Silvery metallic mercury coatings on quartz.
Location: Socrates Mine, Sonoma County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mercury Image

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Mercury: Hg

Comments: Silvery metallic mercury coatings on quartz.
Location: Socrates Mine, Sonoma County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Mercury Image

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Mercury: Hg

Comments: Small silvery droplets of mercury on tan-colored rock matrix.
Location: Sonoma Co., California, USA. Scale: Picture size 5 cm.
© Kevin Ward

Mereheadite Image

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Mereheadite: Pb2O(OH)Cl

Comments: Yellowish crystals of mereheadite to 1mm embedded in matrix.
Location: Merehead quarry, Shepton Mallet, Somerset, England. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Mereheadite Image

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Mereheadite: Pb2O(OH)Cl

Comments: Yellowish crystals of mereheadite to 1mm embedded in matrix.
Location: Merehead quarry, Shepton Mallet, Somerset, England. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Merenskyite Image

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Merenskyite: (Pd,Pt)(Te,Bi)2  
Borovskite: Pd3SbTe4  
Temagamite: Pd3HgTe3

Comments: Borovskite (Bvk) - temagamite (Tmg) - merenskyite (Mrk) composite grain included in chalcopyrite (Ccp). (CanMin, v 42, p 674).
Location: McBratney high-grade PGE-Au occurrence, Bear Lake mafic unit, Proterozoic Flin Flon greenstone belt, Manitoba, Canada. Scale: See Image.
© Canadian Mineralogist

Merenskyite Image

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Merenskyite: (Pd,Pt)(Te,Bi)2  
Borovskite: Pd3SbTe4  
Temagamite: Pd3HgTe3

Comments: Borovskite (Bvk) - temagamite (Tmg) - merenskyite (Mrk) composite grain included in chalcopyrite (Ccp). (CanMin, v 42, p 674).
Location: McBratney high-grade PGE-Au occurrence, Bear Lake mafic unit, Proterozoic Flin Flon greenstone belt, Manitoba, Canada. Scale: See Image.
© Canadian Mineralogist
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