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