Tiger : implication mighty brave, is a symbol of strength . Jade buried underground for thousands or even millions of years , jade contains large amounts of mineral elements , the human body good. If the person's physical condition is good, long-term wear jade jade to moisturize , jade head is the refractive index will grow better and brighter. If the person's physical condition is not good, long-term wear jade , jade mineral elements will gradually be absorbed by the body to achieve health effects , such as Ms. jade bracelet usually worn on the left , as good for the heart . "Yu Cong for the pillow and the brain ," like most of the ancient emperor to do with jade pillow . Furthermore , in view of Jade contain elements beneficial to humans , often wear and use jade ( such as bracelets , necklaces , rings, jade seats, jade pillow , etc. ) , Jade will rub the skin with acupuncture points on the meridian blood skin, etc. There are many benefits disease prevention and effect play , it will jade as a talisman , it is very useful. As the saying goes : "People keep three jade , jade raise a person's life ." Jade is a kind of spiritual mineral , commonly used in self-cultivation, so wear the longer the better, be sure to bring in the left hand , because the left into the human meridian direction right out of the ( left or the right lower ) , the body organs functioning very helpful. Product Details - Shape / Type : Pendant / Charm - Material / Gemstone : Emerald / - Shipping / Handling : Standard international shipping ( 10-18 days delivery ) - Level / Type: 100 A / A type / A type - Country of Origin: China - Dimensions ; Gao W 40MM * 58MM * 6MM thick manual measurement error is inevitable , please receive the real size reference only thank ! - Refractive index: 1.66 - 1.67 - Specific gravity: 3.33 - 3.34 - Colors and varieties : green, icy varieties - Weight ( g / CT): ~ ~ 2.6 g / 13 kt - Luster: vitreous luster - Surface texture : medium grain Shipping Policy : Standard international shipping :10- 18 days to deliver to you Yes, we provide tracking number , so you can keep track of all the information . Registered mail All of our packages with online tracking number by registered mail . Thank you for reading , if you have any questions, please contact me.