Know all about Picrite and Hornblendite properties here. All properties of rocks are important as they define the type of rock and its application. Picrite and Hornblendite belong to Igneous Rocks.Texture of Picrite is Earthy, Rough whereas that of Hornblendite is Banded, Foliated, Massive. Picrite appears Rough and Shiny and Hornblendite appears Foliated. The luster of Picrite is subvitreous to dull while that of Hornblendite is vitreous to dull. Picrite and Hornblendite are available in black, brown, colourless, green, grey, pink, white, yellow 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 Hornblendite are cemetery markers, commemorative tablets, creating artwork.