Volborthite and strengite – rare minerals from the Mednorudyanskoe malachite deposit (Urals)
V.I. Popova, V.A. Popov, V.A. Kotlyarov, P.V. Khvorov, M.V. Shtenberg
History of volborthite and strengite findings in Russia and the World is discussed. The chemical composition of these minerals from the Mednorodyanskoe deposit, as well as morphology of volborthite crystals, x-ray pattern of strengite and its IR spectrum are characterized for the first time.
Figures 8. References 15.
Key words: volborthite, strengite, Mednorudyanskoe deposit, Urals.
МINERALOGY № 3 2015