Limestone Flooring-Pros, Cons, Types, Installation Method Limestone is a sedimentary rock mainly composed of calcium carbonate. It has a uniform color and texture. Made-up of shell’s calcite and other debris ,it is a porous soft stone that […] Share this:FacebookWhatsAppRedditTelegramPocketEmailLinkedInTwitterTumblrPinterestLike this:Like Loading... thearchspace November 16, 2019 1 Comment