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