A high refractive index glass has the composition (wt%): 20 TiO2, 20 BaO, 7 CaO, 8 Na2O, 25 SiO2, 9.5 B2O3, 10 ZnO. Many more examples of compositions are given.
Origin
Unknown
Journal Title
Usp 3 294 558, 27/12/66
Sector
Refractive Indexes
Class
RI 6