All about Coquina and Chalk Properties
Know all about Coquina and Chalk properties here. All properties of rocks are important as they define the type of rock and its application. Coquina and Chalk belong to Sedimentary Rocks.Texture of Coquina is Clastic whereas that of Chalk is Clastic or Non-Clastic. Coquina appears Layered, Banded, Veined and Shiny and Chalk appears Soft. The luster of Coquina is dull to vitreous to submetallic while that of Chalk is dull. Coquina is available in beige, buff, orange colors whereas Chalk is available in grey, white, yellow colors. The commercial uses of Coquina are creating artwork 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.