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Seelite

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Talmessi Mine (Talmesi Mine; Telmessi Mine; Telmesi Mine), Anarak District, Esfahan Province (Isfahan Province; Aspadana Province), Iran
© Stephan Wolfsried

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Formula:
Mg(UO
 
2
)(AsO
 
3
)
 
0.7
(AsO
 
4
)
 
0.3
·7H
 
2
O
System:MonoclinicColour:Canary yellow to bright ...
Name:Named after Paul (1904-1982) and Hilde (1901-1987) Seel, mineral collectors.
This page provides mineralogical data about Seelite.

Classification of Seelite

IMA status:Approved
Strunz 8th edition ID:4/J.05-20 (
Nickel-Strunz 10th (pending) edition ID:4.JD.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
D : Arsenites, antimonites, bismuthites; with additional anions, with H2O
Dana 8th edition ID:46.2.9.1

46 : ANTIMONITES AND ARSENITES CONTAINING HYDROXYL OR HALOGEN
2 : Miscellaneous
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Type Occurrence of Seelite

Co-type Localities:Rabejac, Lodève, Hérault, Languedoc-Roussillon, France
Talmessi Mine (Talmesi Mine; Telmessi Mine; Telmesi Mine), Anarak District, Esfahan Province (Isfahan Province; Aspadana Province), Iran
Year of Discovery:1993

Physical Properties of Seelite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Canary yellow to bright yellow

Crystallography of Seelite

Crystal System:Monoclinic
Cell Parameters:a = 18.2Å, b = 7.06Å, c = 6.66Å
β = 99.65°
Ratio:a:b:c = 2.578 : 1 : 0.943
Unit Cell Volume:V 843.65 ų (Calculated from Unit Cell)

Chemical Properties of Seelite

Formula:
Mg(UO
 
2
)(AsO
 
3
)
 
0.7
(AsO
 
4
)
 
0.3
·7H
 
2
O
Essential elements:As, H, Mg, O, U
All elements listed in formula:As, H, Mg, O, U

Relationship of Seelite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.JD.05Nealite
Pb
 
4
Fe
2+
 
[Cl
 
2
|AsO
 
3
]
 
2
 · 2H
 
2
O
4.JD.15Tooeleite
Fe
3+
6
(AsO
 
3
)
 
4
(SO
 
4
)(OH)
 
4
· 4H
 
2
O

Other Names for Seelite

Other Languages:
German:Seelit
Russian:Зеелит
Spanish:Seelita

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 Seelite

Reference List:Mineralogical Record (1993): 24: 463-467.

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

Internet Links for Seelite

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  • Raman and XRD data at RRUFF project
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    Localities for Seelite

    Hide Locality List
    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.
    (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.
    France
     
    • Languedoc-Roussillon
      • Hérault
        • Lodève
    		Min. Rec. 24 (1993), 463-467
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Kandern
          • Endenburg
    		Lapis 23(12), 46 (1998)
        • Schenkenzell
          • Wittichen
            • Böckelsbach valley
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		WALENTA, K. (1996): Seelit aus dem Schwarzwald. - Chem. Erde 56, 273-280
    Iran
     
    • Esfahan Province (Isfahan Province; Aspadana Province)
      • Anarak District
    		Le Règne Minéral, Hors Série IV, 1998; Min.Rec.: 24: 463-467.
    Mineral and/or Locality
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