Know all about Ganister and Hornblendite properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Hornblendite belongs to Igneous Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Hornblendite is Banded, Foliated, Massive. Ganister appears Rough and Hornblendite appears Foliated. The luster of Ganister is dull while that of Hornblendite is vitreous to dull. Ganister and Hornblendite are 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 Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Hornblendite are cemetery markers, commemorative tablets, creating artwork.