Jade " Jade" in Chinese is also known as "sky stone ." In the green , but also in white, black , gray, orange, yellow and purple hues in many shades of nuances, Emerald is a precious quality of China for thousands of years to heal the necessary authority and stone protection. It is also said to stimulate creativity and mental agility , and improve a person 's health. Tiger - ( Young arch , three fixed DUANMU ) : Unpredictable , rebellious , colorful , powerful , passionate, daring , impulsive, vigorous , stimulating, sincere , affectionate , humanitarian, generous. May be restless, reckless , impatient , quick-tempered , obstinate , selfish , aggressive, moody . Product Details - Shape / Type : Pendant / Charm - Material / Gem : Sapphire - Shipping / Handling : Standard international shipping ( 10-18 days for delivery ) - Level / Type : 100 A / A type / A type - Baby Size 12mm Length 34 mm Width 31 mm thick - Origin: China - Refractive index: 1.66 - 1.67 - Specific gravity: 3.33 - 3.34 - Colors and varieties are : blue, cold varieties - Weight (g / CT): ~ ~ 2.6 g / 13 kt - Luster: vitreous luster - Surface texture: COFCO