The specific situation transformed with the discovery of cupellation, a method that authorized silver metallic to generally be extracted from its ores. While slag heaps located in Asia Minor and around the islands from the Aegean Sea suggest that silver was staying separated from guide as early since the 4th https://wissenfakt.de/maximieren-sie-ihre-gewinne-der-ultimative-leitfaden-zum-verkauf-von-silber/