Latest Lapidary Stories
Rubies, emeralds and tourmalines can only sparkle with the right cut. Since early this year, a fully automatic machine has undertaken this grinding process for Paul Wild GmbH. It saves up to 30 percent of the precious material and grinds the gems with greater precision. Not until they are given the right cut do precious stones reveal their true value. And they only fetch the highest prices if the facets are even and exact. However, the grinding process "“ which has hitherto been...
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