Actes du premier colloque international de l'association Verre et Histoire, Paris-La Défense / Versailles, 13-15 octobre 2005

Dr Marco VERITÀ, Stazione Sperimentale del Vetro, Venice (Italy)

Italian window glass chemical composition from the Roman time to the 18th century

Table 5 – Abbey of San Fruttuoso of Camogli (Genova), 12th-13th centuries:
composition in wt% of the oxides of window glass fragments

    SiO2 Al2O3 Na2O K2O CaO MgO SO3 P2O5 Cl TiO2 Fe2O3 MnO BaO CuO SnO2 ZnO
SFC-1green46,11,251,1518,917,55,800,175,700,280,130,850,670,151,200,070,10
SFC-2olive green48,01,451,2318,716,85,950,185,500,280,180,950,700,10   
SFC-3colourless47,01,451,4017,518,86,000,215,500,350,150,820,650,13   
SFC-4colourless45,51,201,1020,218,05,700,225,900,400,180,850,600,15   
SFC-5colourless46,81,401,3016,919,36,300,305,600,350,170,780,650,10