Know all about Jasperoid and Icelandite properties here. All properties of rocks are important as they define the type of rock and its application. Jasperoid belongs to Sedimentary Rocks while Icelandite belongs to Igneous Rocks.Texture of Jasperoid is Earthy whereas that of Icelandite is Aphanitic to Porphyritic. Jasperoid appears Glassy or Pearly and Icelandite appears Dull and Soft. The luster of Jasperoid is vitreous and pearly while that of Icelandite is vitreous. Jasperoid is available in black, brown, colourless, green, grey, pink, white colors whereas Icelandite is available in bluish - grey, grey, pink, yellow 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 Icelandite are cemetery markers, creating artwork.