Know all about Pegmatite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Pegmatite and Nephelinite belong to Igneous Rocks.Texture of Pegmatite is Pegmatitic whereas that of Nephelinite is Aphanitic. Pegmatite appears Layered, Banded, Veined and Shiny and Nephelinite appears Skeletal. The luster of Pegmatite is grainy, pearly and vitreous while that of Nephelinite is vitreous to metallic. Pegmatite is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors whereas Nephelinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Pegmatite are creating artwork, jewelry, source of corundum, tourmalines, beryls and topaz and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).