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Volume 10
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10.3390/min10080702
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Article

Fedorite from Murun Alkaline Complex (Russia): Spectroscopy and Crystal Chemical Features

by
Ekaterina V. Kaneva
*,
Roman Yu. Shendrik
,
Tatiana A. Radomskaya
and
Ludmila F. Suvorova
Vinogradov Institute of Geochemistry, Siberian Branch of Russian Academy of Sciences, 1A Favorsky Street, Irkutsk 664033, Russia
*
Author to whom correspondence should be addressed.
Minerals 2020, 10(8), 702; https://doi.org/10.3390/min10080702
Submission received: 20 July 2020 / Revised: 5 August 2020 / Accepted: 6 August 2020 / Published: 7 August 2020
(This article belongs to the Special Issue Layered Minerals and Materials: Crystal Structures, Properties and Applications)
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Abstract

Fedorite is a rare phyllosilicate, having a crystal structure characterized by SiO4-tetrahedral double layers located between continuous layers formed by edge-sharing (Ca,Na)-octahedra, and containing interlayer K, Na atoms and H2O molecules. A mineralogical-petrographic and detailed crystal-chemical study of fedorite specimens from three districts of the Murun alkaline complex was performed. The sequence of the crystallization of minerals in association with fedorite was established. The studied fedorite samples differ in the content of interlayer potassium and water molecules. A comparative analysis based on polyhedral characteristics and deformation parameters was carried out. For the first time, EPR, optical absorption and emission spectra were obtained for fedorite. The raspberry-red coloration of the mineral specimens could be attributed to the presence of Mn4+ ions.
Keywords: fedorite; layered double silicate; phyllosilicate; Murun alkaline complex; mineral association; crystal chemistry; IR spectroscopy; electron paramagnetic resonance; photoluminescence fedorite; layered double silicate; phyllosilicate; Murun alkaline complex; mineral association; crystal chemistry; IR spectroscopy; electron paramagnetic resonance; photoluminescence
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MDPI and ACS Style

Kaneva, E.V.; Shendrik, R.Y.; Radomskaya, T.A.; Suvorova, L.F. Fedorite from Murun Alkaline Complex (Russia): Spectroscopy and Crystal Chemical Features. Minerals 2020, 10, 702. https://doi.org/10.3390/min10080702

AMA Style

Kaneva EV, Shendrik RY, Radomskaya TA, Suvorova LF. Fedorite from Murun Alkaline Complex (Russia): Spectroscopy and Crystal Chemical Features. Minerals. 2020; 10(8):702. https://doi.org/10.3390/min10080702

Chicago/Turabian Style

Kaneva, Ekaterina V., Roman Yu. Shendrik, Tatiana A. Radomskaya, and Ludmila F. Suvorova. 2020. "Fedorite from Murun Alkaline Complex (Russia): Spectroscopy and Crystal Chemical Features" Minerals 10, no. 8: 702. https://doi.org/10.3390/min10080702

APA Style

Kaneva, E. V., Shendrik, R. Y., Radomskaya, T. A., & Suvorova, L. F. (2020). Fedorite from Murun Alkaline Complex (Russia): Spectroscopy and Crystal Chemical Features. Minerals, 10(8), 702. https://doi.org/10.3390/min10080702

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