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