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Vorlanite

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Big Photo

Lakargi Mt., Verkhnechegemskaya caldera (Verkhni Chegem caldera; Upper Chegem caldera), Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
© E. Galuskin




Formula:
(Ca(U
6+
 
)O
 
4
System:Isometric
Name:Named for Mt Vorlan, near whose peak it was found.


Fluorite-type structure

Classification of Vorlanite

IMA status:Approved 2009
Dana 8th edition ID:5.3.4.

5 : OXIDES CONTAINING URANIUM OR THORIUM
3 : AXO4·xH2O
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Type Occurrence of Vorlanite

Type Locality:Lakargi Mt., Verkhnechegemskaya caldera (Verkhni Chegem caldera; Upper Chegem caldera), Kabardino-Balkarian Republic, Northern Caucasus Region, Russia
Geological Setting of type material:Calcareous skarn xenolith in ignimbrite.

Crystallography of Vorlanite

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Fm3m {F4/m 3 2/m}
Cell Parameters:a = 5.3813(2) Å
Unit Cell Volume:V 155.83 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
3.107 (100)
2.691 (30)
1.902 (63)
1.623 (54)
1.235 (24)
1.203 (16)
1.098 (22)
0.910 (18)

Chemical Properties of Vorlanite

Formula:
(Ca(U
6+
 
)O
 
4
Essential elements:Ca, O, U
All elements listed in formula:Ca, O, U

Other Names for Vorlanite

Synonyms:
IMA2009-032
Other Languages:

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 Vorlanite

Reference List:

- +
Evgeny V.Galuskin1, Thomas Armbruster, Irina O. Galuskina, Biljana Lazic, Antoni Winiarski, Viktor M. Gazeev, Piotr Dzierżanowski, Aleksandr E. Z (2011): Vorlanite (CaU6+)O4 – a new mineral from the Upper Chegem caldera, Kabardino-Balkaria, Northern Caucasus, Russia. Am. Mineral. 96,188-196.

Internet Links for Vorlanite

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    • Localities for Vorlanite

    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.
    Germany
     
    • Rhineland-Palatinate
      • Eifel
        • Mayen
          • Ettringen
            • Bellerberg volcano
    		 EMPA data V. V. SHARYGIN (Novosibirsk, Ru)
    Russia
     
    • Northern Caucasus Region
      • Kabardino-Balkarian Republic
        • Verkhnechegemskaya caldera (Verkhni Chegem caldera; Upper Chegem caldera)
    		IMA Approvals - July 2009
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