A glass-ceramic of the lithium aluminosilicate type, containing a β-quartz solid solution as main crystalline phase, characterized in that: - its composition, free, except for inevitable trace amounts, of arsenic oxide, antimony oxide and rare earth oxide, contains, expressed as weight percentages of oxides: 64 to 70% of SiO 2, 18 to 24% of Al 2 O 3, 4 to 5% of Li 2 O, 0 to 0.6% of SnO 2, >1.9 to 4% of TiO 2, 1 to 2.5% of ZrO 2, 0 to 1.5% of MgO, 0 to 3% of ZnO, >0.3 to 1 of CaO, 0 to 3% of BaO, 0 to 3% of SrO, with BaO + SrO ≤ 3 %, 0 to 1.5% of Na 2 O, 0 to 2% of K 2 O, with 0.2 ≤ (MgO + Na 2 O + K 2 O)/ Li 2 O ≤1, 0 to 3% of P 2 O 5, less than 250 ppm of Fe 2 O 3; and - the crystallites present in said β-quartz solid solution have an average size of less than 40 nm, advantageously less than 35 nm, very advantageously less than 30 nm, and wherein the glass-ceramic has: - a total luminous transmittance, for a thickness of 5 mm, of more than 81%, advantageously more than 84%, a yellow index, for a thickness of 5 mm, of less than 14, advantageously less than 12, and a haze percentage, for a thickness of 5 mm, of less than 2.5 %, advantageously less than 1.5%; and - a thermal expansion coefficient between 25°C and any temperature between 300 and 700°C (CTE 25°C -[300-700°C]) between + and - 3.5. 10 -7 K -1. - its composition, free, except for inevitable trace amounts, of arsenic oxide, antimony oxide and rare earth oxide, contains, expressed as weight percentages of oxides: 64 to 70% of SiO 2, 18 to 24% of Al 2 O 3, 4 to 5% of Li 2 O, 0 to 0.6% of SnO 2, >1.9 to 4% of TiO 2, 1 to 2.5% of ZrO 2, 0 to 1.5% of MgO, 0 to 3% of ZnO, >0.3 to 1 of CaO, 0 to 3% of BaO, 0 to 3% of SrO, with BaO + SrO ≤ 3 %, 0 to 1.5% of Na 2 O, 0 to 2% of K 2 O, with 0.2 ≤ (MgO + Na 2 O + K 2 O)/ Li 2 O ≤1, 0 to 3% of P 2 O 5, less than 250 ppm of Fe 2 O 3; and 64 to 70% of SiO 2, 18 to 24% of Al 2 O 3, 4 to 5% of Li 2 O, 0 to 0.6% of SnO 2, >1.9 to 4% of TiO 2, 1 to 2.5% of ZrO 2, 0 to 1.5% of MgO, 0 to 3% of ZnO, >0.3 to 1 of CaO, 0 to 3% of BaO, 0 to 3% of SrO, with BaO + SrO ≤ 3 %, 0 to 1.5% of Na 2 O, 0 to 2% of K 2 O, with 0.2 ≤ (MgO + Na 2 O + K 2 O)/ Li 2 O ≤1, 0 to 3% of P 2 O 5, less than 250 ppm of Fe 2 O 3; and - the crystallites present in said β-quartz solid solution have an average size of less than 40 nm, advantageously less than 35 nm, very advantageously less than 30 nm, and wherein the glass-ceramic has: - a total luminous transmittance, for a thickness of 5 mm, of more than 81%, advantageously more than 84%, a yellow index, for a thickness of 5 mm, of less than 14, advantageously less than 12, and a haze percentage, for a thickness of 5 mm, of less than 2.5 %, advantageously less than 1.5%; and - a thermal expansion coefficient between 25°C and any temperature between 300 and 700°C (CTE 25°C -[300-700°C]) between + and - 3.5. 10 -7 K -1. - a total luminous transmittance, for a thickness of 5 mm, of more than 81%, advantageously more than 84%, a yellow index, for a thickness of 5 mm, of less than 14, advantageously less than 12, and a haze percentage, for a thickness of 5 mm, of less than 2.5 %, advantageously less than 1.5%; and - a thermal expansion coefficient between 25°C and any temperature between 300 and 700°C (CTE 25°C -[300-700°C]) between + and - 3.5. 10 -7 K -1.