Know all about Ganister and Felsite properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Felsite belongs to Igneous Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Felsite is Arborescent Patterned, Vitreous. Ganister appears Rough and Felsite appears Layered, Banded, Veined and Shiny. The luster of Ganister is dull while that of Felsite is vitreous. Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Felsite are mirror, jewelry.