FIELD: jewelry. SUBSTANCE: surface of natural materials is preliminarily modified by 3-15-% aqueous solution of alkali metal iodate at 40-80 C and, when conducting sulfide layers are formed on the surface and aged in air, metal coatings are deposited. Electroplated coatings are completely continuous, are firmly adhered to surface, have uniform glitter and no pitting. In addition coatings reproduce microrelief of natural surface. EFFECT: improved appearance of coated items. 5 cl, 1 tbl
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