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Yushkinite

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Silova-Yaka River, Pay Khoy Mts, Komi Republic, Northern Region, Russia
© Knut Eldjarn

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Formula:
(Mg,Al)[(OH)
 
2
 (VS
 
2
)
System:HexagonalColour:Pinkish purple
Hardness:1
Name:Named after Nikolai Pavlovich Yushkin (b. 1936), russian mineralogist.
This page provides mineralogical data about Yushkinite.

Classification of Yushkinite

IMA status:Approved 1983
Strunz 8th edition ID:2/C.23-10
Nickel-Strunz 10th (pending) edition ID:2.FD.30

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
D : With O, OH, H2O
Dana 8th edition ID:2.14.3.2

2 : SULFIDES
14 : Hydroxysulfides and Hydrated Sulfides
Hey's CIM Ref.:4.5

4 : Oxysulphides
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Type Occurrence of Yushkinite

Type Locality:Yushkinite gorge, Middle Silova-Yakha River, Pai-Khoi (Paikhoi; Pay Khoy) Range, Yugorskii Peninsula, Nenetskiy Autonomous Okrug, Polar Urals, Western-Siberian Region, Russia
Year of Discovery:1984

Physical Properties of Yushkinite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Pinkish purple
Comment:Strong copper magenta and orange red tarnish
Hardness (Mohs):1
Density (measured):2.94 g/cm3

Crystallography of Yushkinite

Crystal System:Hexagonal
Cell Parameters:a = 3.2Å, c = 11.3Å
Ratio:a:c = 1 : 3.531
Unit Cell Volume:V 100.21 ų (Calculated from Unit Cell)

Chemical Properties of Yushkinite

Formula:
(Mg,Al)[(OH)
 
2
 (VS
 
2
)
Essential elements:H, Mg, O, S, V
All elements listed in formula:Al, H, Mg, O, S, V

Relationship of Yushkinite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.FD.UKI-2004-(OS:BiCuPb)
PbCu
 
4
Bi
 
4
S
 
2
O
 
16
 (?)
2.FD.05Kermesite
Sb
 
2
S
 
2
O
2.FD.10Viaeneite
(Fe,Pb)
 
4
S
 
8
O
2.FD.20Erdite
NaFeS
 
2
·2H
 
2
O
2.FD.25Coyoteite
NaFe
 
3
S
 
5
·2H
 
2
O
2.FD.30Haapalaite
(Fe
2+
 
,Ni)
 
2
(Mg,Fe
2+
 
)
 
1.61
[(OH)
 
3.22
|S
 
2
]
2.FD.30Valleriite
(Fe
2+
 
,Cu)
 
4
(Mg,Al)
 
3
[(OH,O)
 
6
|S
 
4
]
2.FD.35Tochilinite
Fe
2+
5-6
(Mg,Fe
2+
 
)
 
5
[(OH)
 
10
|S
 
6
]
2.FD.40Wilhelmramsayite
Cu
 
3
FeS
 
3
·2H
 
2
O
2.FD.45Vyalsovite
FeCaAl[(OH)
 
5
|S]
2.FD.50Bazhenovite
Ca
 
8
[(OH)
 
12
|S
 
2
O
 
3
|S
 
5
] · 20H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
4.1Bazhenovite
Ca
 
8
[(OH)
 
12
|S
 
2
O
 
3
|S
 
5
] · 20H
 
2
O
4.2Kermesite
Sb
 
2
S
 
2
O
4.3Sarabauite
CaSb
 
10
O
 
10
S
 
6
4.4Schöllhornite
Na
 
0.3
CrS
 
2
·H
 
2
O
4.6Vyalsovite
FeCaAl[(OH)
 
5
|S]
4.7Valleriite
(Fe
2+
 
,Cu)
 
4
(Mg,Al)
 
3
[(OH,O)
 
6
|S
 
4
]
4.8Tochilinite
Fe
2+
5-6
(Mg,Fe
2+
 
)
 
5
[(OH)
 
10
|S
 
6
]
4.9Haapalaite
(Fe
2+
 
,Ni)
 
2
(Mg,Fe
2+
 
)
 
1.61
[(OH)
 
3.22
|S
 
2
]
4.10Apuanite
Fe
2+
 
Fe
3+
4
Sb
3+
4
O
 
12
S
4.11Versiliaite
Fe
 
2
Fe
 
4
Sb
 
6
O
 
16
S

Other Names for Yushkinite

Synonyms:
IMA1983-050
Other Languages:
German:Yushkinit
Spanish:Yushkinita

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 Yushkinite

Reference List:Mineralogicheskii Zhurnal, Kiev (1984): 6(5): 9198.

American Mineralogist (1986): 71: 846.

Moeloe, et al. (1999): Mineralogical Magazine: 63(6): 879-889.

Koval'chuk, N.S., and Makeev, A.B. (2008): Typomorphism and Parasteresis of Yushkinite, the Pai-Khoi Anticlinorium. Geology of Ore Deposits 50(7), 503-517.

Internet Links for Yushkinite

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    Localities for Yushkinite

    (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
     
    • Western-Siberian Region
      • Polar Urals
        • Nenetskiy Autonomous Okrug
          • Yugorskii Peninsula
            • Pai-Khoi (Paikhoi; Pay Khoy) Range
              • Middle Silova-Yakha River
    		Koval\'chuk, N.S., and Makeev, A.B. (2008): Geology of Ore Deposits 50(7), 503-517.; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Mineral and/or Locality
    Google
     
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