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