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Lamprophyllite-2O

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Formula:
(Sr,K,Ba)
 
2
(Na,Ti,Mn
2+
 
,Fe
3+
 
)
 
4
Ti
 
2
[O|(O,OH,F)|Si
 
2
O
 
7
]
 
2
A polytype of Lamprophyllite

Orthorhombic polytype of Lamprophyllite.

Originally reported from Gardiner complex, Kangerlussuaq complex, Kangerlussuaq Firth, Tunu (East Greenland) Province, Greenland.

Classification of Lamprophyllite-2O

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Chemical Properties of Lamprophyllite-2O

Formula:
(Sr,K,Ba)
 
2
(Na,Ti,Mn
2+
 
,Fe
3+
 
)
 
4
Ti
 
2
[O|(O,OH,F)|Si
 
2
O
 
7
]
 
2
All elements listed in formula:Ba, F, Fe, H, K, Mn, Na, O, Si, Sr, Ti

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 Lamprophyllite-2O

Reference List:

- +
Krivovichev,S.V., Armbruster, T., Yakovenchuk, V.N., Pakhomovsky, Y.A., and Men'shikov, Y.P. (2003) Crystal structures of lamprophyllite-2M and lamprophyllite-2O from the Lovozero alkaline massif, Kola peninsula, Russia. European Journal of Mineralogy: 15: 711-718.

Internet Links for Lamprophyllite-2O

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    • Localities for Lamprophyllite-2O

    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.
    Greenland
     
    • Tunu (East Greenland) Province
      • Kangerlussuaq Firth
        • Kangerlussuaq complex
    		[AmMin 82:820]
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 21st Jun 2011 20:33:13
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