Know all about Siltstone and Diamictite properties here. All properties of rocks are important as they define the type of rock and its application. Siltstone and Diamictite belong to Sedimentary Rocks.Texture of Siltstone is Clastic whereas that of Diamictite is Clastic. Siltstone appears Rough and Diamictite appears Banded. The luster of Siltstone is dull while that of Diamictite is grainy, pearly and vitreous. Siltstone is available in brown, red, reddish brown colors whereas Diamictite is available in brown, buff colors. The commercial uses of Siltstone are raw material for the manufacture of mortar, soil conditioner and that of Diamictite are commemorative tablets, creating artwork, production of lime.