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200th Anniversary Meeting of the Russian Mineralogical Society
Saint Petersburg, Russia
9-12 October 2017
2017minsoc.ru
http://www.minsoc.ru/2017/
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First natural hexaferrite with mixed b'''-ferrite (b-alumina) and magnetoplumbite structure

RMS-DPI code:  2017-1-30-1
Scientific session:  2. Mineralogical crystallography and crystal chemistry.
Author listing:  Galuskin E.V., Galuskina I.O., Widmer R., Armbruster T.M.
Principal author:  Galuskin Evgeny Vadimovich
Language:  Russian
Abstract - Summary 
(short description):
Ferrites of K and Ba close in composition to the synthetic compounds KFe2+2Fe3+15O25 and BaMg2Fe3+16O27 and mixed K-Ba-ferrite were found in hornfels of the Hatrurim Complex, Palestinian Autonomy. The hexagonal space-group symmetry of K-Ba-ferrite (P-6m2, Z = 2) with a = 5.9137(2), c = 33.1450(15) Å is different to that (P63/mmc) of the K and Ba end-members and yields alternate stacking of -alumina type KMg2Fe15O25 and magnetoplumbite type BaMg2Fe16O27 supermodules, each extending ½ of the unit cell along c. K-Ba-ferrite from Palestinian Autonomy is the first natural modular ferrite with mixed -alumina and magnetoplumbite structure.
 
Date of presentation:  11/10/2017
Presentation Place:  ,
 
RMS-DPI code:  2017-1-30-1
Pages:  29-31
File of proceedings 
(PDF): 
 213 K
Status:  printed
Recieved:  31/08/2017
Accepted:  15/09/2017
Published on-line:  06/12/2017
Permanent address of publication:  http://www.minsoc.ru/2017-1-30-1/
Contact author(s):  Galuskin, Evgeny Vadimovich
 

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