A glass of composition (wt%) TiO2 40-54, BaO 24-44, ZnO 5-15, ZrO2 3-13, CaO 0.2-3, MgO o.2-3, SiO2 0.2-2, Na2O/K2O 0.1-0.5 has RI of at least 2.10.
Origin
Unknown
Journal Title
Bp 1 566 989, 8/5/80
Sector
Refractive Indexes
Class
RI 2