Sculpture made of chalcedony glass, using the massello technique. Sculpture has shifting hues of blue, white, green, and more. Crafted and signed by ZANETTI OSCAR. Stickers read ZANETTI MURANO, VETRO ARTISTICO MURANO. Piece is weighty. The piece is formed into a love knot and affixed to a black cylindrical stand. Approx. 15H x 7W in. Some discoloration/ imperfection to the glass on one of the sides of the sculpture. ‘Chalcedony glass-making technique was invented in the middle of the fifteenth century. This technique involves mixing scraps of colored and white opaline or iridescent glass and Cristallo glass and fusing them together under high temperatures. Once the pieces fuse completely, various mineral oxides are added repeatedly to the glass mixture and dispersed to create unique color effects.’(GlassofVenice.com) Chalcedony glass, Italian MURANO glass, massello glass, ZANETTI MURANO love knot, ZANETTI Oscar love knot, ZANETTI MURANO glass sculpture, decorative glass object, glasswork, artisan glass, art glass, art,