Know all about Jasperoid and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Jasperoid belongs to Sedimentary Rocks while Nephelinite belongs to Igneous Rocks.Texture of Jasperoid is Earthy whereas that of Nephelinite is Aphanitic. Jasperoid appears Glassy or Pearly and Nephelinite appears Skeletal. The luster of Jasperoid is vitreous and pearly while that of Nephelinite is vitreous to metallic. Jasperoid and Nephelinite are available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Jasperoid are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).