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Menshikovite

Formula:
Pd
 
3
Ni
 
2
As
 
3
System:HexagonalColour:White
Hardness:5
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)

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,Hg)
 
3
As
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.

Articles/Blogs about Menshikovite

Internet Links for Menshikovite

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    Localities for Menshikovite

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    (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'
    		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.
    USA
     
    • Montana
      • Stillwater Co.
    Mineral and/or Locality
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