Rubies have always been fascinating from the ancient times till now a days. In this article will try to introduce you to the world of rubies so that you know a little bit more in your next ruby shopping.
Of the natural gem materials, ruby is second only to diamond in hardness and is considered one of the four precious stones, together with sapphire, emerald and diamond.
Ruby is the red variety of corundum and it occurs as bright red, red, purplish or brownish-red and deep pinkish-red colors. The red color is caused mainly by the presence of the element chromium.