Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α- Al 2 O 3) with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon. Learn about sapphire , a corundum variety that comes in various colors and is the birthstone for September. Find out about sapphire history, lore, treatments, synthetics, and more. Sapphire is a precious gemstone that is a variety of the mineral corundum, which is composed of aluminum oxide. It is typically blue in color, but can also be found in other hues such as yellow, pink, purple, green, and colorless. The blue color of sapphire is due to the presence of trace amounts of iron and titanium in the crystal structure. Sapphire is one of the hardest naturally occurring substances, with a rating of 9 on the Mohs scale of mineral hardness, and is highly valued for its ... Sapphire Stone - Buy Sapphire Stone Online at India's Best Online Shopping Store. Check Sapphire Stone Prices, Ratings & Reviews at Flipkart .com. Free Shipping Cash on Delivery Best Offers
