This is a polished chunk of real Malachite stone.

(US Imperial Ruler in pictures for scale)

Each stone and crystal has metaphysical properties that can help aid in specific situations, help boost certain body functions/body parts, and can even offer different insight into the seen and unseen world around us.

Malachite: It is a powerful stone to protect you from negative entities. These green crystals have an excellent action to aid you to take action, and to make changes in your life where required. It aids creativity, enhances the development of your intuition, and is a strong stone for the heart, both for the physical heart and to aid your healing emotionally.