Know all about Nepheline Syenite and Adakite properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite and Adakite belong to Igneous Rocks.Texture of Nepheline Syenite is Granular whereas that of Adakite is Porphyritic. Nepheline Syenite appears Banded and Foilated and Adakite appears Dull and Soft. The luster of Nepheline Syenite is greasy to dull while that of Adakite is grainy, pearly and vitreous. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Adakite is available in black, brown, light to dark grey colors. The commercial uses of Nepheline Syenite are cemetery markers, creating artwork and that of Adakite are commemorative tablets, pottery, used in aquariums.