Li2O—Al2O3—SiO2-based crystallized glass

A Li2O—Al2O3—SiO2-based crystallized glass comprising:

• in a mass basis, SnO2:
• 0.01% to 5%;
• HfO2+Ta2O5:
• 0.01% to 10%;
• HfO2:
• 0.01% to 10%, ZnO:
• 0% to 0.6%;
• TiO2:
• 0% to 2%;
• and Fe2O3:
• 0.001% to 0.03%,
• wherein a β-quartz solid solution is precipitated as a main crystal, and
• wherein a transmittance thereof at a thickness of 3 mm and a wavelength of 300 nm is 10% or more.