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Chesofiite

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Formula:
Ca
 
9
(Si
 
2
O
 
7
)
 
3
·CaCl
 
2
Also written as Ca10(Si2O7)3Cl2
System:MonoclinicColour:Reddish brown, colourless


A substance of anthropogenic origin (burning coal mine dump). Current IMA regulations do not allow such substances to be approved as valid mineral species.

Related to rusinovite.

Classification of Chesofiite

IMA status:Published without Approval
Explanation of status:Anthropogenic origin.
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Physical Properties of Chesofiite

Colour:Reddish brown, colourless

Crystallography of Chesofiite

Crystal System:Monoclinic
Cell Parameters:a = 18.656(1) Å, b = 14.112(1) Å, c = 18.1396(5) Å
β = 111.65(1)°
Ratio:a:b:c = 1.322 : 1 : 1.285
Unit Cell Volume:V 4,438.77 ų (Calculated from Unit Cell)

Chemical Properties of Chesofiite

Formula:
Ca
 
9
(Si
 
2
O
 
7
)
 
3
·CaCl
 
2


Also written as Ca10(Si2O7)3Cl2
Essential elements:Ca, Cl, O, Si
All elements listed in formula:Ca, Cl, O, Si

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 Chesofiite

Reference List:

- +
Chesnokov, B.V., Vilisov, V.A., Bushmakin, A.F., Kotlyarov, V.A., Belogub, E.V. (1994): New minerals from a fired dump of the Chelyabinsk coal basin. Ural. Mineral. Sb. 3, 3-34 (in Russian).

Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).

Internet Links for Chesofiite

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    • Localities for Chesofiite

    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.
    Russia
     
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Chelyabinsk coal basin
    		Cesnokov, B., M. Kotrly, and T. Nisanbajev (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
              • Coal Mine No. 42
    		Chesnokov, B.V., Vilisov, V.A., Bushmakin, A.F., Kotlyarov, V.A., Belogub, E.V. (1994): New minerals from a fired dump of the Chelyabinsk coal basin. Ural. Mineral. Sb. 3, 3-34 (in Russian).; Igor Pekov (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Igor Pekov (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Exotic Minerals of Russia.
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