The technique of manufacturing Chalcedony or Calcedonio glassware was first utilised in Egypt during the Roman era, and it was later rediscovered in Murano in the fourteenth century.
The technique of manufacturing Chalcedony or Calcedonio glassware was first utilised in Egypt during the Roman era, and it was later rediscovered in Murano in the fourteenth century. The method's secret became lost for a while before being rediscovered in the late 1800s by a Murano professional glassmaker, Lorenzo Radi.