Know all about Dacite and Ijolite properties here. All properties of rocks are important as they define the type of rock and its application. Dacite and Ijolite belong to Igneous Rocks.Texture of Dacite is Aphanitic to Porphyritic whereas that of Ijolite is Earthy, Granular. Dacite appears Vesicular and Ijolite appears Banded and Foilated. The luster of Dacite is subvitreous to dull while that of Ijolite is greasy to dull. Dacite is available in bluish - grey, brown, grey, light to dark grey colors whereas Ijolite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Dacite are commemorative tablets, creating artwork and that of Ijolite are cemetery markers, creating artwork.