FIELD: jewelry. SUBSTANCE: stones are alloyed from aqueous solutions of salts containing ions of p- and d-elements, e.g. bismuth, lead, neodymium, chromium in concentrations 0.0001-0.002 wt % by way of irradiating stones using laser technics with energy of order of 1 J in free generation mode with pulse duration 0.001 s and various irradiation frequency. EFFECT: improved quality and color of stones. 1 dwg
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