The iridescent, Schiller or aventurine optical effects obtained in the surface layers of novel glass ceramics processed from minerals and rocks have been investigated and shown to be related to oxidation reactions at the surface causing precipitation of iron oxides or spinodal decomposition.
Origin
Instituto De Ceramica Y Vidrio, Madrid
Journal Title
Rivista Della Staz Sper Vetro 1989 1 153-158
Sector
Glass Ceramics
Class
GC 50