CC BY 3.0 DEEl-Shennawe, Ahmed W. A.Abdel-Hameed, Salwa A. M.2024-01-052024-01-052003https://oa.tib.eu/renate/handle/123456789/13949https://doi.org/10.34657/12979Osumilite-type phases, which have high temperature stability and low linear thermal expansion coefficients, were crystallized from modified basalt glass composition. To satisfy the compositional requirements of osumilite molecules, a deliberate amount of kaolin, sand, magnesite and TiO2 should be added to the basalt. The crystallization process was investigated by DTA, X-ray diffractometry and SEM. The effect of compositional changes on bulk crystallization and growth morphology was also studied. The linear thermal expansion coefficient was measured to characterize the produced glass-ceramics.enghttps://creativecommons.org/licenses/by/3.0/de/660Article