Silicate Surprises: the Discovery of Two New Minerals with a Layered Structure
- Authors: Rastsvetaeva R.K1, Gridchina V.M2
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Affiliations:
- Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics”, Russian Academy of Sciences
- Shubnikov Institute of Crystallography, Federal Scientifi c Research Centre “Crystallography and Photonics”, Russian Academy of Sciences
- Issue: No 11 (2023)
- Pages: 48-51
- Section: Articles
- URL: https://journals.eco-vector.com/0032-874X/article/view/627863
- DOI: https://doi.org/10.7868/S0032874X23110054
- ID: 627863
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Abstract
This paper reports on the discovering of two new layered-silicate mineral species, kalyuzhnyite-(Ce) NaKCaSrCeTi(Si8O21)OF(H2O)3 and letnikovite-(Ce) (Na )Ca2Ce2[Si7O17(OH)]F4(H2O)4. They are found in the Darai-Pioz alkaline massif in the Tien-Shan mountains of Tajikistan. The structure of these minerals includes two new types of layers formed by SiO4-tetrahedra, the kalyuzhnyite double [Si8O21]10–-sheet and letnikovite [Si7O17(OH)]7--sheet. The specific features of these minerals are described and compared with related layered minerals. Both of minerals with large channels potentially can be used as a model for synthesis of microporous materials of industrial interest.
About the authors
R. K Rastsvetaeva
Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics”, Russian Academy of Sciences
Email: rast.crys@gmail.com
Moscow, Russia
V. M Gridchina
Shubnikov Institute of Crystallography, Federal Scientifi c Research Centre “Crystallography and Photonics”, Russian Academy of Sciences
Email: gridchina@crys.ras.ru
Moscow, Russia
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