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Vlodavetsite

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Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
© 2008, JGW




Formula:
AlCa
 
2
(SO
 
4
)
 
2
F
 
2
Cl · 4H
 
2
O
System:TetragonalColour:Colourless
Lustre:Vitreous
Name:Named after V. I. Vlodavets (1893-1993), Russian volcanologist, who founded the Kamchatka volcanological station.
This page provides mineralogical data about Vlodavetsite.

Classification of Vlodavetsite

IMA status:Approved 1993
Strunz 8th edition ID:6/D.12-20
Nickel-Strunz 10th (pending) edition ID:7.DF.40

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
F : With large and medium-sized cations
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Type Occurrence of Vlodavetsite

Type Locality:Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia

Physical Properties of Vlodavetsite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless

Crystallography of Vlodavetsite

Crystal System:Tetragonal
Class (H-M):4/m - Dipyramidal
Space Group:I4/m
Cell Parameters:a = 6.870(1) Å, c = 13.342(2) Å
Ratio:a:c = 1 : 1.942
Unit Cell Volume:V 629.70 ų (Calculated from Unit Cell)
Z:2

Optical Data of Vlodavetsite

Type:Uniaxial (+)
RI values: nω = 1.509 nε = 1.526
Maximum Birefringence:δ = 0.017

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low

Chemical Properties of Vlodavetsite

Formula:
AlCa
 
2
(SO
 
4
)
 
2
F
 
2
Cl · 4H
 
2
O
Essential elements:Al, Ca, Cl, F, H, O, S
All elements listed in formula:Al, Ca, Cl, F, H, O, S

Relationship of Vlodavetsite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DF.05Uklonskovite
NaMg(SO
 
4
)F · 2H
 
2
O
7.DF.10Kainite
KMg(SO
 
4
)Cl · 3H
 
2
O
7.DF.15Natrochalcite
NaCu
 
2
(SO
 
4
)
 
2
(OH) · 2H
 
2
O
7.DF.20Metasideronatrite
Na
 
4
Fe
 
2
(SO
 
4
)
 
4
(OH)
 
2
 · 2H
 
2
O
7.DF.20Sideronatrite
Na
 
2
Fe(SO
 
4
)
 
2
(OH) · 3H
 
2
O
7.DF.25Despujolsite
Ca
 
3
Mn
4+
 
(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DF.25Fleischerite
Pb
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
 · 3H
 
2
O
7.DF.25Schaurteite
Ca
 
3
Ge(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
7.DF.25Mallestigite
Pb
 
3
Sb
5+
 
(SO
 
4
)(AsO
 
4
)(OH)
 
6
 · 3H
 
2
O
7.DF.30Slavíkite
(H
 
3
O
+
 
)
 
3
Mg
 
6
Fe
 
15
(SO
 
4
)
 
21
(OH)
 
18
 · 99H
 
2
O
7.DF.35Metavoltine
Na
 
6
K
 
2
FeFe
 
6
(SO
 
4
)
 
12
O
 
2
 · 18H
 
2
O
7.DF.40Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
 · 32H
 
2
O
7.DF.45Peretaite
Ca(SbO)
 
4
(SO
 
4
)
 
2
(OH)
 
2
 · 2H
 
2
O
7.DF.50Gordaite
NaZn
 
4
(SO
 
4
)(OH)
 
6
Cl · 6H
 
2
O
7.DF.55Clairite
(NH
 
4
)
 
2
Fe
 
3
(SO
 
4
)
 
4
(OH)
 
3
 · 3H
 
2
O
7.DF.60Arzrunite
Cu
 
4
Pb
 
2
(SO
 
4
)(OH)
 
4
Cl
 
6
 · 2H
 
2
O (?)
7.DF.65Elyite
Pb
 
4
Cu(SO
 
4
)O
 
2
(OH)
 
4
 · H
 
2
O
7.DF.70Yecoraite
Fe
3+
3
Bi
 
5
(Te
6+
 
O
 
4
)
 
2
(Te
4+
 
O
 
3
)O
 
9
 · 9H
 
2
O
7.DF.75Riomarinaite
Bi(SO
 
4
)(OH) · H
 
2
O
7.DF.80Dukeite
Bi
3+
24
Cr
6+
8
O
 
57
(OH)
 
6
 · 3H
 
2
O
7.DF.85Xocolatlite
Ca
 
2
Mn
4+
2
(Te
6+
 
O
 
6
)
 
2
 · H
 
2
O

Other Names for Vlodavetsite

Synonyms:
IMA1993-023
Other Languages:
German:Vlodavetsit
Russian:Влодавецит
Spanish:Vlodavetsita

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 Vlodavetsite

Reference List:

- +
Vergasova, L.P., S.K. Filatov, G.L. Starova, G.L. Matusevich, and T.M. Filasova (1995): Vlodavetsite AlCa2(SO4)2F2Cl•4H2O – a new mineral from volcanic exhalations. Doklady Akademii Nauk SSSR, 343, 358–360 (in Russian).

Mineralogical Record: 28: 404-405.

Starova, G.L., S.K. Filatov, G.L. Matusevich, and V.S. Fundamensky (1995): The crystal structure of vlodavetsite, AlCa2(SO4)2F2Cl•4H2O. Mineralogical Magazine, 59, 159–162.

Volcanology and Seismology: 17: 649-660.

Internet Links for Vlodavetsite

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    • Localities for Vlodavetsite

    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.
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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.
    Italy
     
    • Sicily
      • Messina Province
        • Lipari
          • Eolie Islands (Aeolian Islands)
            • Vulcano Island
    		Campostrini, I., Demartin, F. & Gramaccioli, C.M. (2010): Vulcano: ein außergewöhnlicher Fundpunkt von neuen und seltenen Mineralien. Mineralien-Welt, 21 (3), 40-57 (in German).
    Russia
     
    • Far-Eastern Region
      • Kamchatka Oblast'
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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