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Menshikovite

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Formula:
Pd
 
3
Ni
 
2
As
 
3
System:HexagonalColour:White
Hardness:5
Name:Named in honor of Yuriy Pavlovich Men'shikov famous Russian mineralogist and roentgenoscopist from Apatity.
This page provides mineralogical data about Menshikovite.

Classification of Menshikovite

IMA status:Approved 1993
Nickel-Strunz 10th (pending) edition ID:2.AC.20c

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
C : Alloys of metalloids with PGE
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Type Occurrence of Menshikovite

Type Locality:Chineyskoye Fe-Ti-V Deposit, Chiney massif, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia

Physical Properties of Menshikovite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:White
Streak:Grey
Hardness (Mohs):5
Tenacity:Brittle
Cleavage:None Observed
Fracture:Irregular/Uneven
Density (calculated):10.65 g/cm3

Crystallography of Menshikovite

Crystal System:Hexagonal
Class (H-M):6/m - Dipyramidal
Space Group:P63/m
Cell Parameters:a = 8.406Å, c = 6.74Å
Ratio:a:c = 1 : 0.802
Unit Cell Volume:V 412.45 ų
Z:4
X-Ray Powder Diffraction:
d-spacingIntensity
2.477 (1)
2.626 (1)
2.429 (0.8)
1.818 (0.7)
1.978 (0.7)
1.781 (0.7)
2.283 (0.7)

Optical Data of Menshikovite

Type:Anisotropic
Anisotropism:Weak mosaic-like, light grey to brownish grey.
Bireflectance:None
Reflectivity:
470nmR1=48.4%R2=50.2%
546nmR1=51.2%R2=53.2%
589nmR1=53.2%R2=55.3%
650nmR1=56.6%R2=58.7%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 58.7%.
R1 shown in black, R2 shown in red
Colour in reflected light:Pink with slight greyish tint.

Chemical Properties of Menshikovite

Formula:
Pd
 
3
Ni
 
2
As
 
3
All elements listed in formula:As, Ni, Pd

Relationship of Menshikovite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.AC.05aAtheneite
Pd
 
2
As
 
0.75
Hg
 
0.25
2.AC.05bVincentite
Pd
 
3
As
2.AC.10cArsenopalladinite
Pd
 
8
(As,Sb)
 
3
2.AC.10bMertieite-II
Pd
 
8
(Sb,As)
 
3
2.AC.10aStillwaterite
Pd
 
8
As
 
3
2.AC.15aIsomertieite
Pd
 
11
Sb
 
2
As
 
2
2.AC.15bMertieite-I
Pd
 
11
(Sb,As)
 
4
2.AC.15aMiessiite
Pd
 
11
Te
 
2
Se
 
2
2.AC.20bPalarstanide
Pd
 
8
(As,Sn)
 
3
2.AC.20aStibiopalladinite
Pd
 
5
Sb
 
2
2.AC.25eMajakite
PdNiAs
2.AC.25aPalladoarsenide
Pd
 
2
As
2.AC.25fPalladobismutharsenide
Pd
 
2
(As,Bi)
2.AC.25cPalladodymite
(Pd,Rh)
 
2
As
2.AC.25bRhodarsenide
(Rh,Pd)
 
2
As
2.AC.25dNaldrettite
Pd
 
2
Sb
2.AC.30UM1999-02-As:NiRh
(Rh,Ni)
 
7
As
 
4
2.AC.30Polkanovite
Rh
 
12
As
 
7
2.AC.35aGenkinite
(Pt,Pd,Rh)
 
4
Sb
 
3
2.AC.35bUngavaite
Pd
 
4
Sb
 
3
2.AC.40Polarite
Pd(Bi,Pb)
2.AC.45cBorishanskiite
Pd
 
1+x
(As,Pb)
 
2
 , x = 0-0.2
2.AC.45aFroodite
α-PdBi
 
2
2.AC.45bIridarsenite
(Ir,Ru)As
 
2

Other Names for Menshikovite

Synonyms:
IMA1993-057
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Menshikovite

Reference List:

- +
Barkov, A.Y., Martin, R.F., Pakhomovsky, Y.A., Tolstykh, N.D., and Krivenko, A.P. (2002) Menshikovite, Pd3Ni2As3, a new platinum-group mineral species from two layered complexes, Russia. Canadian Mineralogist: 40: 679-692.

Internet Links for Menshikovite

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  • Raman and XRD data at RRUFF project[Link Broken?]
  • American Mineralogist Crystal Structure Database[Link Broken?]
  • Menshikovite details from Handbook of Mineralogy (PDF)[Link Broken?]
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    • Localities for Menshikovite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Russia
     
    • Eastern-Siberian Region
      • Taymyrskiy Autonomous Okrug
        • Taimyr Peninsula
          • Putoran Plateau
            • Noril'sk
    		Can Min (2002) 40, (2), 679-692
      • Transbaikalia (Zabaykalye)
        • Chitinskaya Oblast'
          • Chiney massif
    		Can Min (2002) 40, (2), 679-692
    • Northern Region
      • Karelia Republic
        • Northern Karelia
          • Oulanka plutonic complex
            • Olanga (Oulanka) River
              • Lukkulaisvaara ultrabasic Massif (Lukkulaisvaara pluton; Lukkulaisvaara layered intrusion)
    		Can Min (2002) 40, (2), 679-692.
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Fedorovo-Pansky massif (Pana layered complex)
    		33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Platinum-group minerals in the PGE deposit of the Fedorovo-Pansky layered intrusion, Kola Peninsula
    33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Platinum-group minerals in the PGE deposit of the Fedorovo-Pansky layered intrusion, Kola Peninsula
    USA
     
    • Montana
      • Stillwater Co.
    		Mineralogical Magazine; October 2000; v. 64; no. 5; p. 847-851
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 18th Jun 2011 13:56:57
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