Pi Yao is to create a powerful and auspicious luck. Pi Yao has the ability to help people who are having a bad feng shui because offending the Grand Duke Jupiter (Jupiter). If a person moves to a new home after a series of bad luck, or just completed any renovation show Pi Yao at home. Yu is considered to help a person in contact with it. Yu said, in order to improve the feeling of cool, clean thoughts, quiet the mind and induce a meditative state. It has also been led to believe that growth often deal with more beautiful luster of jade. According to a Chinese proverb, "Jade is cool because it comes from a clear mountain stream essence." Science "says Jade is a cool feeling, because it is a non-conductor. Product Details Product Details Shape / model :/ Charm / Pendant Material / Gem: Obsidian Level / Type: 100% A grade / A genotype / A Class Shipping / Handling: Standard international shipping (10-18 days delivery) Condition: Excellent Accessories: adjustable necklace cord Shipping Policy According chargeable weight (NW), transport / handle is to be charged, chargeable weight is listed in the item description, S / H rates are listed in the chart below EMS: express mail service, 4-8 days to USA, Canada, UK, Australia and other places, S / H charges, other counties different Standard International Shipping: Global 10-18 days package 2kg or less. S / H in the United States than in other countries different from 2 kg bag fee Registered mail (free online tracking number) All of our package will be shipped with online tracking number, by registered mail, I'm sorry, we do not send packages unregistered. 100% Satisfaction Guaranteed If you are not completely satisfied with our products, please email us immediately and return them within 7 days of the date you receive them for a full refund. No restocking fee will be charged.