Malachite gets it's name from the Greek, word moloche, meaning mallow, a reference to the mineral's leaf-green color. Azurite and Malachite have been carved into ornaments and worn as jewelry for thousands of years. In some ancient civilizations Malachite was thought to be a protection from evil if worn as jewelry. Malachite was a popular decorative stone in Czarist Russia, and was used to make the columns of St. Isaac's Cathedral in Leningrad. Malachite also adorned many walls and even whole rooms of other religious and public buildings.