Gossan and Trachyandesite
All about Gossan and Trachyandesite Properties
Know all about Gossan and Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Gossan belongs to Metamorphic Rocks while Trachyandesite belongs to Igneous Rocks.Texture of Gossan is Rough, Sandy whereas that of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Gossan appears Dull and Banded and Trachyandesite appears Dull and Soft. The luster of Gossan is metallic while that of Trachyandesite is earthy. Gossan is available in brown, brown- black, gold, green, rust colors whereas Trachyandesite is available in black, brown, light to dark grey colors. The commercial uses of Gossan are cemetery markers, commemorative tablets, gemstone and that of Trachyandesite are creating artwork, pottery.