Know all about Felsite and Icelandite properties here. All properties of rocks are important as they define the type of rock and its application. Felsite and Icelandite belong to Igneous Rocks.Texture of Felsite is Arborescent Patterned, Vitreous whereas that of Icelandite is Aphanitic to Porphyritic. Felsite appears Layered, Banded, Veined and Shiny and Icelandite appears Dull and Soft. The luster of Felsite and Icelandite is vitreous. Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors whereas Icelandite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Felsite are mirror, jewelry and that of Icelandite are cemetery markers, creating artwork.