Ruby is a pinkish-red to reddish-purple gemstone variety of the mineral corundum. Ruby is one of the most popular and powerful gemstones. Another type of fine corundum is called sapphire.
Ruby is a pinkish-red to reddish-purple gemstone variety of the mineral corundum. Ruby is one of the most popular and powerful gemstones. Another type of fine corundum is called sapphire.