Know all about Hornblendite and Icelandite properties here. All properties of rocks are important as they define the type of rock and its application. Hornblendite and Icelandite belong to Igneous Rocks.Texture of Hornblendite is Banded, Foliated, Massive whereas that of Icelandite is Aphanitic to Porphyritic. Hornblendite appears Foliated and Icelandite appears Dull and Soft. The luster of Hornblendite is vitreous to dull while that of Icelandite is vitreous. Hornblendite is available in black, brown, green, grey colors whereas Icelandite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Hornblendite and Icelandite are cemetery markers, commemorative tablets, creating artwork.