Ruby gemstone is the precious and valuable gemstones. Ruby made a loyal position from the ancient times. It is valuable gemstones due to its attractive color and hardness of 9.00 on Mohs scale. Rubies actually come from aluminum oxide or we can say from Corundum. Ruby gemstones come in different shades of red, which is determined by various elements. Chromic oxide gives the red color to ruby. A pink or light color ruby stone exists due to the presence of chromium and iron. The rubies with the most intense shade of red have high levels of titanium.https://issuu.com/rohit34/docs/different_types_of_ruby_gemstones_w_8eddab0e39bbe9