Know all about Borolanite and Shale properties here. All properties of rocks are important as they define the type of rock and its application. Borolanite belongs to Igneous Rocks while Shale belongs to Sedimentary Rocks.Texture of Borolanite is Granular whereas that of Shale is Clastic, Splintery. Borolanite appears Banded and Foilated and Shale appears Muddy. The luster of Borolanite is greasy to dull while that of Shale is dull. Borolanite is available in brown, buff, cream, green, grey, pink, white colors whereas Shale is available in black, brown, buff, green, grey, red, yellow colors. The commercial uses of Borolanite are cemetery markers and that of Shale are creating artwork, pottery.