![Natural resources / Chrysocolla / Phyllosilicates / Brochantite / Chalcanthite / Crystallography / Chemistry / Sulfate minerals Natural resources / Chrysocolla / Phyllosilicates / Brochantite / Chalcanthite / Crystallography / Chemistry / Sulfate minerals](https://www.pdfsearch.io/img/456b9ca94faeb6488bd30fd7badd2c32.jpg)
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City St. Petersburg / Moscow / / Company Mineral Data Publishing / / Country Russia / Soviet Union / / Facility Fersman Mineralogical Museum / Moscow University / Mining Institute / / NaturalFeature River Valley / / Organization Moscow University / Moscow / Mining Institute / Academy of Sciences / / Person Yevgenii Mikhailovich Sergeev / / Position Professor / SiO2 CO2 Al2 O3 FeO CuO MgO CaO / geological engineer / / ProvinceOrState Tyrnyauz / / Region former Soviet Union / / Technology X-ray / /
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