Know all about Talc carbonate and Icelandite properties here. All properties of rocks are important as they define the type of rock and its application. Talc carbonate belongs to Metamorphic Rocks while Icelandite belongs to Igneous Rocks.Texture of Talc carbonate is Very Soft whereas that of Icelandite is Aphanitic to Porphyritic. Talc carbonate appears Soft and Icelandite appears Dull and Soft. The luster of Talc carbonate is pearly while that of Icelandite is vitreous. Talc carbonate is available in colourless, grey, white colors whereas Icelandite is available in bluish - grey, grey, pink, yellow colors. The commercial uses of Talc carbonate are manufacturing of baby powder and that of Icelandite are cemetery markers, creating artwork.