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