Know all about Migmatite and Chalk properties here. All properties of rocks are important as they define the type of rock and its application. Migmatite belongs to Metamorphic Rocks while Chalk belongs to Sedimentary Rocks.Texture of Migmatite is Foliated whereas that of Chalk is Clastic or Non-Clastic. Migmatite appears Dull, Banded and Foilated and Chalk appears Soft. The luster of Migmatite is dull to pearly to subvitreous while that of Chalk is dull. Migmatite is available in black, bluish - grey, brown, brown- black, dark greenish - grey, dark grey to black colors whereas Chalk is available in grey, white, yellow colors. The commercial uses of Migmatite are cemetery markers, jewelry, tombstones, used to manufracture paperweights and bookends and that of Chalk are alumina refineries, creating artwork, drawing on blackboards, gymnasts, athletes and mountain climbers use for grip, in aquifers, paper industry, production of lime, raw material for manufacture of quicklime, slaked lime, soil conditioner, whiting, whiting material in toothpaste, paint and paper.