Know all about Lamprophyre and Icelandite properties here. All properties of rocks are important as they define the type of rock and its application. Lamprophyre and Icelandite belong to Igneous Rocks.Texture of Lamprophyre is Porphyritic whereas that of Icelandite is Aphanitic to Porphyritic. Lamprophyre appears Dull, Banded and Foilated and Icelandite appears Dull and Soft. The luster of Lamprophyre is subvitreous to dull while that of Icelandite is vitreous. Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Icelandite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Lamprophyre 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.