MALACHITE Composition: Cu2CO3(OH)2 Alternative names: Stone of Guidance. Atlas Ore, Green Copper, Green Malachite, Mountain Green Healing: Alleviates physical pain or tightness. Reduces swelling and helps with arthritis related discomfort. Balances the body and can help with chronic illness. Helps in times of alteration and change. Clarifies emotions and eases responsibility. Size: 20-30mm Price per stone. This is a high grade stone.