| abstract |
Provided is a Li 2 O—Al 2 O 3 —SiO 2 -based crystallizable glass characterized by comprising, as a glass composition in terms of mass %, 55 to 75% of SiO 2 , 19 to 24% of Al 2 O 3 , 3 to 4% of Li 2 O, 1.5 to 2.8% of TiO 2 , 3.8 to 4.8% of TiO 2 +ZrO 2 , and 0.1 to 0.5% of SnO 2 , and satisfying a relationship of 4≦Li 2 O+0.741MgO+0.367ZnO≦4.5. |