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