Know all about Picrite and Ijolite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Ijolite belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Ijolite is Earthy, Granular. Picrite appears Rough and Shiny and Ijolite appears Banded and Foilated. The luster of Picrite is subvitreous to dull while that of Ijolite is greasy to dull. Picrite is available in black, brown, colourless, green, grey, pink, white, yellow colors whereas Ijolite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Picrite are as a feed additive for livestock, as armour rock for sea walls, metallurgical flux, pottery, source of magnesia (mgo) and that of Ijolite are cemetery markers, creating artwork.