Know all about Foidolite and Icelandite properties here. All properties of rocks are important as they define the type of rock and its application. Foidolite and Icelandite belong to Igneous Rocks.Texture of Foidolite is Earthy whereas that of Icelandite is Aphanitic to Porphyritic. Foidolite appears Dull and Icelandite appears Dull and Soft. The luster of Foidolite is subvitreous to dull while that of Icelandite is vitreous. Foidolite 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 Foidolite and Icelandite are cemetery markers, commemorative tablets, creating artwork.