The crystal structure of a mineral with composition Pd(Bi,Sb)

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Abstract

A mineral with composition Pd(Bi0.54Sb0.46) – intermediate between sobolevskite, ideally PdBi, and sudburyite, PdSb, from the Chineisky Deposit (Transbaikal region, Russia) was studied by SEM and XRD methods. Its crystal structure solved and refined (R = 3.02%) based on the single crystal X-ray diffraction data. The structure is orthorhombic, and the space group is Cmcm. The unit-cell parameters are a = 4.1465(4), b = 7.1782(6), c = 5.6843(4) Å, V = 169.19(2) Å3, Z = 2. The series of the structures β-PdBi – Pd(Bi0.6Sb0.4) – PdSb and sobolevskite – sudburyite are discussed.

About the authors

A. A. Mezhueva

Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry Russian Academy of Science

Author for correspondence.
Email: oxana.karimova@gmail.com
Russian Federation, Moscow

O. V. Karimova

Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry Russian Academy of Science

Email: oxana.karimova@gmail.com
Russian Federation, Moscow

L. A. Ivanova

Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry Russian Academy of Science

Email: oxana.karimova@gmail.com
Russian Federation, Moscow

N. D. Tolstykh

Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Science

Email: oxana.karimova@gmail.com
Russian Federation, Novosibirsk

A. A. Zolotarev

Institute of Earth Sciences, State University of Saint-Petersburg

Email: oxana.karimova@gmail.com
Russian Federation, Saint-Petersburg

N. N. Eremin

Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry Russian Academy of Science; Lomonosov Moscow State University

Email: oxana.karimova@gmail.com

Corresponding Member of the RAS

Russian Federation, Moscow; Moscow

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