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Vyalsovite

Formula:
FeCaAl[(OH)
 
5
|S]
System:OrthorhombicColour:Carmine-red
Name:Named after Leonid Nikolaevich Vyalsov (b. 1939), a specialist in reflected-light optics.
This page provides mineralogical data about Vyalsovite.

Classification of Vyalsovite

IMA status:Approved 1989
Strunz 8th edition ID:2/C.23-50
Nickel-Strunz 10th (pending) edition ID:2.FD.45

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:2.14.4.1

2 : SULFIDES
14 : Hydroxysulfides and Hydrated Sulfides
Hey's CIM Ref.:4.6

4 : Oxysulphides
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Type Occurrence of Vyalsovite

Type Locality:Komsomol'skii Mine, Talnakh Cu-Ni Deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taimyr Autonomous Region (Taymyrskiy Okrug), Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai), Eastern-Siberian Region, Russia
Year of Discovery:1992

Physical Properties of Vyalsovite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Carmine-red

Crystallography of Vyalsovite

Crystal System:Orthorhombic
Cell Parameters:a = 14.2Å, b = 20.98Å, c = 5.49Å
Ratio:a:b:c = 0.677 : 1 : 0.262
Unit Cell Volume:V 1,635.56 ų (Calculated from Unit Cell)

Chemical Properties of Vyalsovite

Formula:
FeCaAl[(OH)
 
5
|S]
Essential elements:Al, Ca, Fe, H, O, S
All elements listed in formula:Al, Ca, Fe, H, O, S

Relationship of Vyalsovite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
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.30Yushkinite
V
 
<1
(Mg,Al)
 
n
[(OH,O)
 
2n
|S]
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.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
4.5Yushkinite
V
 
<1
(Mg,Al)
 
n
[(OH,O)
 
2n
|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 Vyalsovite

Synonyms:
IMA1989-004
Other Languages:
German:Vyalsovit
Spanish:Vyalsovita

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 Vyalsovite

Reference List:American Mineralogist (1992): 77: 201-206.

New Minerals (1997), New Minerals 1990-1994.

Articles/Blogs about Vyalsovite

Internet Links for Vyalsovite

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    Localities for Vyalsovite

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    Russia
     
    • Eastern-Siberian Region
      • Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai)
        • Taimyr Autonomous Region (Taymyrskiy Okrug)
          • Taimyr Peninsula
            • Putoran Plateau
              • Noril'sk
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