Tanzanite is a relatively new gemstone, discovered in 1967 in the Merelani Hills of Tanzania. It is a variety of the mineral zoisite and is noted for its stunning blue-violet color. Tanzanite is believed to be a million years old and is only found in one place in the world, the foothills of Mount Kilimanjaro. It is believed to have been formed by a combination of heat and pressure from volcanic activity. Tanzanite is a relatively soft gemstone, with a hardness of 6.5 to 7 on the Mohs scale, and is best suited for earrings, pendants, and other jewelry that is not subject to a lot of wear and tear. It is a popular choice for engagement rings and other special occasions. Tanzanite is a beautiful and unique gemstone that is sure to add a touch of elegance to any piece of jewelry.