Chalcedony glass. Sculpture technique on chalcedony glass. Handmade in Murano Island. Venice Italy.
The Chalcedony glass workmanship and its preparation are still today a secret. A few families in Murano create using it and currently one of the best families, specialized right in Chalcedony glass sculptures is Tagliapietra. About the Chalcedony glass we can say that it is A vitreous paste with a dark base, red when transparent, with
multicoloured veins, imitating a variety of natural chalcedony, zoned
agate. Invented on Murano in the mid-XVth century. Its difficult preparation requires the addition of
various metallic compounds to the glass mixture, in specific ways and at
specific intervals. The secret of its manufacture, lost around the end
of the XVIIIth century to be rediscovered on the first half of the XIXth.
Several sizes. Handmade in Murano Island, Venice Italy. Certificate of origin and signed by the Master Andrea Tagliapietra.