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According to one embodiment, a glass composition may include from 67 mol. % to about 75 mol. % SiO2; from about 6 mol. % to about 10 mol. % Al2O3; and from about 5 mol. % to about 12 mol. % alkali oxide. The alkali oxide may include K2O in an amount less than or equal to 0.5 mol. %. The glass compos

According to one embodiment, a glass composition may include from 67 mol. % to about 75 mol. % SiO2; from about 6 mol. % to about 10 mol. % Al2O3; and from about 5 mol. % to about 12 mol. % alkali oxide. The alkali oxide may include K2O in an amount less than or equal to 0.5 mol. %. The glass composition may further include from about 9 mol. % to about 15 mol. % of alkaline earth oxide. The alkaline earth oxide may include greater than about 0 mol. % and less than or equal to 3 mol. % MgO, from 2 mol. % to about 7 mol % CaO, at least one of SrO and BaO. The glass composition may further include less than 1 mol. % B2O3. A ratio of a concentration of MgO to the sum of the concentration of divalent cations (MgO:ΣRO) may be less than 0.3.

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1. A glass composition comprising: from 67 mol. % to 75 mol. % SiO2;from 6 mol. % to 10 mol. % Al2O3;from 5 mol. % to 12 mol. % alkali oxide, wherein the alkali oxide comprises K2O in an amount greater than 0 mol. % and less than or equal to 0.5 mol. %;from 9 mol. % to 15 mol. % of alkaline earth ox

1. A glass composition comprising: from 67 mol. % to 75 mol. % SiO2;from 6 mol. % to 10 mol. % Al2O3;from 5 mol. % to 12 mol. % alkali oxide, wherein the alkali oxide comprises K2O in an amount greater than 0 mol. % and less than or equal to 0.5 mol. %;from 9 mol. % to 15 mol. % of alkaline earth oxide, wherein the alkaline earth oxide comprises greater than 0 mol. % and less than or equal to 3 mol. % MgO, from 2 mol. % to 7 mol % CaO, and at least one of SrO and BaO, wherein: a ratio of a concentration of MgO to the sum of the concentration of divalent cations (MgO:ΣRO) is less than 0.3; andthe glass composition comprises less than 1 mol. % B2O3. 2. The glass composition of claim 1, wherein the alkali metal oxide further comprises Li2O in an amount from 1 mol. % to 3 mol. %. 3. The glass composition of claim 1, wherein the alkali oxide comprises Na2O in an amount from 3.5 mol. % to 8 mol. %. 4. The glass composition of claim 1, wherein the alkaline earth oxide is present in an amount from 10 mol. % to 14 mol. %. 5. The glass composition of claim 1 comprising from 2 mol. % to 5 mol. % CaO. 6. The glass composition of claim 1, wherein the glass composition comprises: from 2 mol. % to 5 mol. % CaO; andfrom 3 mol. % to 6 mol. % SrO. 7. The glass composition of claim 1, wherein the alkaline earth oxide comprises SrO in an amount greater than 0 mol. % and less than or equal to 6 mol. %. 8. The glass composition of claim 1, wherein the alkaline earth oxide comprises SrO in an amount greater than or equal to 1 mol. % and less than or equal to 2 mol. %. 9. The glass composition of claim 1, wherein the glass composition is free from barium and compounds of barium. 10. The glass composition of claim 1, further comprising ZnO in an amount greater than 0 mol. % and less than or equal to 2.0 mol. %. 11. The glass composition of claim 1 further comprising ZrO2 in an amount greater than 0 and less than or equal to 1.5 mol. %. 12. The glass composition of claim 1, wherein the glass composition is susceptible to ion exchange strengthening. 13. The glass composition of claim 1, wherein MgO is present in an amount greater than 0 mol. % and less than or equal to 2.5 mol. %. 14. The glass composition of claim 13, wherein the glass composition is free from lithium and compounds containing lithium. 15. The glass composition of claim 13, wherein the glass composition further comprises Li2O in an amount greater than or equal to 1 mol. % and less than or equal to 3 mol. %. 16. The glass composition of claim 13, wherein the glass composition comprises: from 5 mol. % to 6 mol. % CaO; andfrom 2 mol. % to 4 mol. % SrO. 17. The glass composition of claim 13, wherein the glass composition is free from zinc and compounds containing zinc. 18. The glass composition of claim 13, wherein the glass composition further comprises ZnO in an amount greater than 0 mol. % and less than or equal to 2.0 mol. %. 19. A glass composition comprising: from 67 mol. % to 75 mol. % SiO2;from 6 mol. % to 10 mol. % Al2O3;from 5 mol. % to 12 mol. % alkali oxide, wherein the alkali oxide comprises Na2O and K2O and the K2O is present in an amount greater than 0 mol. % and less than or equal to 0.5 mol. %; andfrom 9 mol. % to 15 mol. % of at least one alkaline earth oxide, wherein the alkaline earth oxide comprises from 2 mol. % to 7 mol % CaO and at least one of SrO and BaO, the glass composition is susceptible to strengthening by ion-exchange, free from boron and compounds of boron, and has a CTE less than 60×10−7/K from room temperature to 300°. 20. The glass composition of claim 19, wherein a concentration of Al2O3 is greater than 7 mol. %. 21. The glass composition of claim 19, wherein the alkali metal oxide further comprises Li2O in an amount from 1 mol. % to 3 mol. %. 22. The glass composition of claim 19, wherein the Na2O is present in an amount from 3.5 mol. % to 8 mol. %. 23. The glass composition of claim 19, wherein the alkaline earth oxide is present in an amount from 10 mol. % to 14 mol. %. 24. The glass composition of any of claim 19, wherein the alkaline earth oxide further comprises MgO. 25. The glass composition of claim 24, wherein the MgO is present in an amount greater than 3 mol. % and less than or equal to 7 mol. %. 26. The glass composition of claim 19, wherein the alkaline earth oxide comprises SrO in an amount greater than or equal to 1 mol. % and less than or equal to 2 mol. %. 27. The glass composition of claim 19, wherein a ratio MgO:ΣRO is less than 0.3. 28. The glass composition of claim 19, wherein the glass composition has a liquidus viscosity greater than or equal to 85 kP. 29. The glass composition of claim 19, wherein the glass composition has at least a class S3 acid resistance according to DIN 12116. 30. The glass composition of claim 19, wherein the glass composition has a class A1 base resistance according to ISO 695. 31. The glass composition of claim 19, wherein the glass composition has a type HGA1 hydrolytic resistance according to ISO 720. 32. A glass composition comprising: from 67 mol. % to 75 mol. % SiO2;from 6 mol. % to 10 mol. % Al2O3;from 5 mol. % to 12 mol. % alkali oxide, wherein the alkali oxide comprises K2O in an amount greater than 0 mol. % and less than or equal to 0.5 mol. %;from 9 mol. % to 15 mol. % of alkaline earth oxide, wherein the alkaline earth oxide comprises from 2 mol. % to 7 mol % CaO and at least one of SrO and BaO, wherein: the glass composition is free from boron and compounds of boron;the glass composition has a CTE less than 60×10−7/K from room temperature to 300°; andthe glass composition is ion exchangeable to a depth of layer greater than or equal to 15 μm and less than or equal to 50 μm with a corresponding compressive stress greater than or equal to 200 MPa and less than or equal to 800 MPa. 33. The glass composition of claim 32, wherein a concentration of Al2O3 is greater than 7 mol. %. 34. The glass composition of claim 32, wherein the alkali metal oxide further comprises Li2O in an amount from 1 mol. % to 3 mol. %. 35. The glass composition of claim 32, wherein the Na2O is present in an amount from 3.5 mol. % to 8 mol. %. 36. The glass composition of claim 32, wherein the alkaline earth oxide is present in an amount from 10 mol. % to 14 mol. %. 37. The glass composition of claim 32, wherein the alkaline earth oxide comprises SrO in an amount greater than or equal to 1 mol. % and less than or equal to 2 mol. %. 38. The glass composition of claim 37, wherein the alkaline earth oxide further comprises MgO. 39. The glass composition of claim 38, wherein the MgO is present in an amount greater than 3 mol. % and less than or equal to 7 mol. %. 40. The glass composition of claim 32, wherein a ratio MgO:ΣRO is less than 0.3. 41. The glass composition of claim 32, wherein the glass composition has a liquidus viscosity greater than or equal to 85 kP. 42. The glass composition of claim 32, wherein the glass composition has at least a class S3 acid resistance according to DIN 12116. 43. The glass composition of claim 32, wherein the glass composition has a class A1 base resistance according to ISO 695. 44. The glass composition of claim 32, wherein the glass composition has a type HGA1 hydrolytic resistance according to ISO 720.