A Novel Solid Solution between Wagnerite and Arsenowagnerite

N. N. Koshlyakova; I. V. Pekov; M. F. VigasinaA. A. AgakhanovM. A. Nazarova

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A Novel Solid Solution between Wagnerite and Arsenowagnerite

机译：A Novel Solid Solution between Wagnerite and Arsenowagnerite

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A novel solid solution between isostructural Mg arsenate and phosphate of the wagnerite group and a new As~(5+)-rich variety of wagnerite were discovered in sublimates of the active Arsenatnaya Fumarole, Tol-bachik Volcano (Kamchatka, Russia). The minerals of the wagnerite Mg_2(PO_4)F-arsenowagnerite Mg+2(AsO_4)F isomorphic series were formed by the interaction of fumarolic gas and basalt scoria under the oxidizing conditions at temperatures of ＞300℃. The only significant substitution in minerals of this series is As~(5+) ? P~(5+), with the composition of the tetrahedrally coordinated components varying within the interval of (As_(0.98)P_(0.01))-(P_(0.54)As_(0.42)V_(0.01)), with a gap between (As_(0.93)P_(0.06)) and (As_(0.57)P_(0.34)V_(0.07)). Isomorphism in the tetrahedral sites (P, As~(5+)) in wagnerite-group minerals and related natural or synthetic compounds was previously unknown.

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来源
《Doklady earth sciences》 |2022年第1期|900-903|共4页
作者
N. N. Koshlyakova; I. V. Pekov; M. F. VigasinaA. A. AgakhanovM. A. Nazarova;
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作者单位

Moscow State University, Moscow, 119991 Russia;

Fersman Mineralogical Museum, Russian Academy of Sciences, Moscow, 119071 Russia;

Institute of Volcanology and Seismology, Far East Branch, Russian Academy of Sciences, Petropavlovsk-Kamchatsky, 683006 Russia;

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正文语种英语
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wagnerite; arsenowagnerite; wagnerite group; isomorphic substitutions; Raman spectrum; fumarolic sublimates; Tolbachik Volcano;

A Novel Solid Solution between Wagnerite and Arsenowagnerite

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