Standard

Thermal behaviour of filatovite – a rare aluminoarsenate mineral of the feldspar group. / Горелова, Людмила Александровна; Верещагин, Олег Сергеевич; Бочаров, Владимир Николаевич; Потехина, Надежда; Житова, Е. С.; Пеков, Игорь Викторович.

In: Mineralogical Magazine, Vol. 88, No. 2, 04.2024, p. 176-184.

Research output: Contribution to journal › Article › peer-review

Harvard

Горелова, ЛА, Верещагин, ОС, Бочаров, ВН, Потехина, Н, Житова, ЕС & Пеков, ИВ 2024, 'Thermal behaviour of filatovite – a rare aluminoarsenate mineral of the feldspar group', Mineralogical Magazine, vol. 88, no. 2, pp. 176-184. https://doi.org/10.1180/mgm.2024.10

APA

Горелова, Л. А., Верещагин, О. С., Бочаров, В. Н., Потехина, Н., Житова, Е. С., & Пеков, И. В. (2024). Thermal behaviour of filatovite – a rare aluminoarsenate mineral of the feldspar group. Mineralogical Magazine, 88(2), 176-184. https://doi.org/10.1180/mgm.2024.10

Vancouver

Горелова ЛА, Верещагин ОС, Бочаров ВН, Потехина Н, Житова ЕС, Пеков ИВ. Thermal behaviour of filatovite – a rare aluminoarsenate mineral of the feldspar group. Mineralogical Magazine. 2024 Apr;88(2):176-184. https://doi.org/10.1180/mgm.2024.10

Author

Горелова, Людмила Александровна ; Верещагин, Олег Сергеевич ; Бочаров, Владимир Николаевич ; Потехина, Надежда ; Житова, Е. С. ; Пеков, Игорь Викторович. / Thermal behaviour of filatovite – a rare aluminoarsenate mineral of the feldspar group. In: Mineralogical Magazine. 2024 ; Vol. 88, No. 2. pp. 176-184.

BibTeX

@article{cf62c36dec4c42e99f9606eba9768858,
title = "Thermal behaviour of filatovite – a rare aluminoarsenate mineral of the feldspar group",
abstract = "The high-temperature behaviour of a feldspar group mineral, filatovite (with the simplified formula: K(Al,Zn)2(As,Si)2O8), in which the Al:As:Si ratio is close to 2:1:1, was studied by in situ high-temperature single-crystal X-ray diffraction and in situ high-temperature (hot stage) Raman spectroscopy up to 600 °C. In the temperature range studied (25–600 ºС) filatovite does not undergo any phase transition, whereas at 800 °C it decomposes to X-ray amorphous phase(s). The evolution of twelve main Raman bands was traced during heating, which indicates a gradual change in the crystal structure. The thermal expansion coefficients (TECs) of filatovite demonstrate a sharply anisotropic character of thermal expansion: the maximal expansion is close to the a axis (α11 = 17.7(1) × 106 °C–1), whereas along the b and c axes the TECs are close to zero. Such behavior is typical for the minerals with a similar crystal structure topology; it indicates the dominant role of structure geometry in the thermal behavior of the mineral.",
keywords = "filatovite, feldspar, thermal expansion, X-ray diffraction, Raman spectroscopy",
author = "Горелова, {Людмила Александровна} and Верещагин, {Олег Сергеевич} and Бочаров, {Владимир Николаевич} and Надежда Потехина and Житова, {Е. С.} and Пеков, {Игорь Викторович}",
year = "2024",
month = apr,
doi = "10.1180/mgm.2024.10",
language = "English",
volume = "88",
pages = "176--184",
journal = "Mineralogical Magazine",
issn = "0026-461X",
publisher = "Mineralogical Society",
number = "2",

}

RIS

TY - JOUR

T1 - Thermal behaviour of filatovite – a rare aluminoarsenate mineral of the feldspar group

AU - Горелова, Людмила Александровна

AU - Верещагин, Олег Сергеевич

AU - Бочаров, Владимир Николаевич

AU - Потехина, Надежда

AU - Житова, Е. С.

AU - Пеков, Игорь Викторович

PY - 2024/4

Y1 - 2024/4

N2 - The high-temperature behaviour of a feldspar group mineral, filatovite (with the simplified formula: K(Al,Zn)2(As,Si)2O8), in which the Al:As:Si ratio is close to 2:1:1, was studied by in situ high-temperature single-crystal X-ray diffraction and in situ high-temperature (hot stage) Raman spectroscopy up to 600 °C. In the temperature range studied (25–600 ºС) filatovite does not undergo any phase transition, whereas at 800 °C it decomposes to X-ray amorphous phase(s). The evolution of twelve main Raman bands was traced during heating, which indicates a gradual change in the crystal structure. The thermal expansion coefficients (TECs) of filatovite demonstrate a sharply anisotropic character of thermal expansion: the maximal expansion is close to the a axis (α11 = 17.7(1) × 106 °C–1), whereas along the b and c axes the TECs are close to zero. Such behavior is typical for the minerals with a similar crystal structure topology; it indicates the dominant role of structure geometry in the thermal behavior of the mineral.

AB - The high-temperature behaviour of a feldspar group mineral, filatovite (with the simplified formula: K(Al,Zn)2(As,Si)2O8), in which the Al:As:Si ratio is close to 2:1:1, was studied by in situ high-temperature single-crystal X-ray diffraction and in situ high-temperature (hot stage) Raman spectroscopy up to 600 °C. In the temperature range studied (25–600 ºС) filatovite does not undergo any phase transition, whereas at 800 °C it decomposes to X-ray amorphous phase(s). The evolution of twelve main Raman bands was traced during heating, which indicates a gradual change in the crystal structure. The thermal expansion coefficients (TECs) of filatovite demonstrate a sharply anisotropic character of thermal expansion: the maximal expansion is close to the a axis (α11 = 17.7(1) × 106 °C–1), whereas along the b and c axes the TECs are close to zero. Such behavior is typical for the minerals with a similar crystal structure topology; it indicates the dominant role of structure geometry in the thermal behavior of the mineral.

KW - filatovite

KW - feldspar

KW - thermal expansion

KW - X-ray diffraction

KW - Raman spectroscopy

UR - https://www.mendeley.com/catalogue/f9a3130a-1942-398f-aeb6-1dbe9244c064/

U2 - 10.1180/mgm.2024.10

DO - 10.1180/mgm.2024.10

M3 - Article

VL - 88

SP - 176

EP - 184

JO - Mineralogical Magazine

JF - Mineralogical Magazine

SN - 0026-461X

IS - 2

ER -

ID: 117158703