Malachite Crystal Tumbled Stone, Chakra Stone, Manifest Transformation, Wards off Danger. These are Natural, Tumbled Green Malachite Crystals. They are the stone of Transformation as they help guide you through life to become the best version of yourself! They're tumbled stones, meaning they are uniquely shaped and smooth across their surfaces! Malachite helps with emotional healing and getting through tough transitional periods. Malachite is a mineral that has been used since the days of the ancient Egyptians to overcome mood swings, cramps and depression. The bright green colour of this stone helps people feel confident and motivated. This necklace isn't too heavy, so it won't pull on your neck or restrict your movement.