One of the oldest fossils in the world, Stromatolite, also know as Sourrite can help in relieving physical and emotional stress, helping to understand life lessons. It can also aid in patience, strength, helping you overcome challenges, understand and see solutions, be steadfast and persistent, connect to the essence of life, having resilience and versatility. A beautiful dark and blacked striped stone. Sold by approximate weight - not stone size or count. From Peru.