Know all about Adakite and Gritstone properties here. All properties of rocks are important as they define the type of rock and its application. Adakite belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks.Texture of Adakite is Porphyritic whereas that of Gritstone is Earthy. Adakite appears Dull and Soft and Gritstone appears Layered and Foliated. The luster of Adakite is grainy, pearly and vitreous while that of Gritstone is dull. Adakite is available in black, brown, light to dark grey colors whereas Gritstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Adakite are commemorative tablets, pottery, used in aquariums and that of Gritstone are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo), tombstones.