LI2O-AL2O3-SIO2-BASED CRYSTALLIZED GLASS AND METHOD FOR PRODUCING THE SAME

摘要

The pupose of the present invention is to provide a Li 2 O-Al 2 O 3 -SiO 2 -based crystallized glass, which is produced using SnO 2 as an alternative clarifying agent for As 2 O 3 and Sb 2 O 3 and rarely undergoes yellowish discoloration, at low cost. A Li 2 O-Al 2 O 3 -SiO 2 -based crystallized glass having a glass composition containing, in mass%, 0.01 to 0.9% of SnO 2 and 1000 ppm or less of each of As 2 O 3 and Sb 2 O 3 , said crystallized glass being characterized in that the V 2 O 5 content in the glass composition is 0.08 to 15 ppm.