This term comes from the ancient east, where chakras play an important role in the creation of a perfect balance between body and mind. Material: brass with turquoise origin: asia noosa amsterdam chunks are handmade in nepal and peru, using mostly natural products such as stone, wood, shell and bone. Due to the handmade nature of the designs, every chunk is unique in it’s own way. There may be slight variations in colour, this is deliberate and unique to noosa products. To care for your chunks, try to avoid getting them wet and knocking them against hard surfaces. All of the chunks and metal press studs are nickel free.