Know all about Nephelinite and Dacite properties here. All properties of rocks are important as they define the type of rock and its application. Nephelinite and Dacite belong to Igneous Rocks.Texture of Nephelinite is Aphanitic whereas that of Dacite is Aphanitic to Porphyritic. Nephelinite appears Skeletal and Dacite appears Vesicular. The luster of Nephelinite is vitreous to metallic while that of Dacite is subvitreous to dull. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas Dacite is available in bluish - grey, brown, grey, light to dark grey colors. The commercial uses of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo) and that of Dacite are commemorative tablets, creating artwork.