Know all about Ganister and Minette properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Minette belongs to Igneous Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Minette is Porphyritic. Ganister appears Rough and Minette appears Dull, Banded and Foilated. The luster of Ganister is dull while that of Minette is subvitreous to dull. 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 Minette is available in black, bluish - grey, brown, dark greenish - grey, green, grey 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 Minette are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).