Know all about Teschenite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Teschenite and Nephelinite belong to Igneous Rocks.Texture of Teschenite is Phaneritic whereas that of Nephelinite is Aphanitic. Teschenite appears Veined and Shiny and Nephelinite appears Skeletal. The luster of Teschenite is not available while that of Nephelinite is vitreous to metallic. Teschenite is available in dark grey to black colors whereas Nephelinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Teschenite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).