Jade " Jade" in Chinese is also known as "Heaven Stone ." In many nuances of green , but also in shades of white, black , gray, orange, yellow and purple hues , Emerald is a precious protection in China for thousands of years necessary authority and healing qualities of the stone. It is also said to stimulate creativity and mental agility , and enhance one's health. Measuring the width of your palm , and find the correct size bracelet The size of your palm width = your bracelet size ( Please measure your palm widest part ) Your palm size 62 mm - 66 mm width = diameter 50MM-52MM bracelet Your palm width 66 mm - 70 mm = 52 mm diameter bracelet size - 54 Your palm width 70MM - 74 mm diameter 54 mm bracelet - 56 mm Your palm size 74 mm - 78 mm with a width of 56 mm -58 mm diameter Bracelet Your palm width 78 mm - 82 mm = 58 mm diameter bracelet size - 60 mm Your palm size 82 mm width - 86 mm diameter bracelet size 60mm - 62 Your palm size 86 mm - 90 = bracelet diameter 64 mm , 62 mm width Your palm width 90 mm - 94 mm = 64 mm diameter bracelet - 66 mm Your palm width 94 mm - 100 mm = 66 mm diameter bracelet - 68 mm Product Details - Shape / Type: pink chalcedony - Material / gems :/ natural pink pink chalcedony - Shipping / Handling : International shipping standards ( 10-18 Days Delivery ) - Level / Model : 100 A / A type / A type - Country of Origin: China - Refractive index: 1.66 - 1.67 - Specific gravity: 3.33 - 3.34 - Colors and varieties: pink, icy varieties - Weight ( g / CT): ~ 14.9 g / 74.3 kt - Luster: vitreous luster - Surface texture : COFCO - Condition: Excellent