Know all about Jasperoid and Variolite properties here. All properties of rocks are important as they define the type of rock and its application. Jasperoid belongs to Sedimentary Rocks while Variolite belongs to Igneous Rocks.Texture of Jasperoid is Earthy whereas that of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Jasperoid appears Glassy or Pearly and Variolite appears Dull and Soft. The luster of Jasperoid is vitreous and pearly while that of Variolite is not available. Jasperoid is available in black, brown, colourless, green, grey, pink, white colors whereas Variolite is available in black, brown, light to dark grey 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 Variolite are cemetery markers, creating artwork.