This sedimentary rock which is composed primarily of Calcium Carbonate is integrally a multi-functional mineral used in industries for centuries. Limestone as one of the oldest minerals due to its very enduring geological evolution possesses different forms in nature and exhibits different colors. Its properties such as hardness, compactness, imperviousness, and durability have a significant role to play when it comes to its uses which are vast and versatile. This oldest component of ancient landmarks in the world is still practically an inseparable part of industries today. Middle East is amongst the top commodity traders of this mineral. And Arij is honored for having supplied the highest quality of Limestone and specifically the highest purity of 99% at a cost-effective price to different countries. This mineral has enormous diversity of industrial applications and what follows are some key uses of Limestone: Steel industry Construction Materials Refractory Sugar Refining Agriculture Paper manufacturing Glass Manufacturing Leather Tanning Pharmaceutics Food Industry