Translations:Tula/2/en
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The tula is an alloy of silver, lead, copper and sulfur, its color is dark gray, almost black. It's characterized by a low melting point (500 °C) compared to the silver one (about 800 °C). The process involves etchings on the silver overlay, which are then filled by the molten alloy, in order to obtain a decorative contrast between the white of the silver and the dark engravings covered by the tula alloy.