Jade or " jade" in Chinese is also known as "Heaven Stone ." There are many nuances of green , but differ in white, black , gray, orange, yellow and purple hues shades , Jade is a precious stone for thousands of years in China to protect the necessary powers and healing qualities . It is also said to stimulate creativity and mental agility , and improve a person 's health. Product Details - Shape / Type : Pendant / necklace / charm - Material / Gem : Natural Green Jade - Level / Type : 100% A grade / A type / A level Shipping / Handling : Standard international shipping ( 10-18 days for delivery ) - Refractive index: 1.66 - 1.69 - Specific gravity: 3.33 - 3.34 - Colors and varieties: green, icy varieties - Grassy Gloss: Gloss - Surface texture: medium grain - Condition: Excellent - Accessories: adjustable rope necklace [Specification] 35 * 30 * 8 mm Freight Policy Shipping / handle fee is based on chargeable weight ( not net) fee , chargeable weight is listed in item description above , S / H rate tables listed below Different courier mail service , 4-8 days to USA, Canada, UK, Australia , S / H fees and other counties : EMS Standard international shipping : within 10-18 days worldwide below 2kg package. S / H fee package over 2 kg in other countries different than the U.S. Registered Mail ( free online tracking number ) All our packages will be shipped by registered mail with online tracking number , I'm sorry , we do not send packages unregistered . 100% Satisfaction Guaranteed If you are not completely satisfied with our products , please email us and receive a full refund within seven days from the date of your return . No restocking fee will be charged .