All jade crustacean ring boys pull finger elders gift crustacean ring jade crustacean ring jewelry

Full jade ring Group 1: 24.8x10.3x thickness 3.5mm Inner Ring: 5.8-6.1cm Ring: #16HK Group 2: 24.1x8.9x Thick 3.5mm Inner Ring: 5.7-6cm Ring: #14HK Group 3 (with yellow material): 8.4x24x3.5mm inner ring circumference: 5.7-6cm ring circumference: #14HK It is a rare organic gemstone, a white jade, and a Buddhist relic. It is the largest of the marine shells and can be up to 1.8m in diameter. One of them began in the Han Dynasty. Because of the radial grooves on the surface of the outer casing, it is like an ancient rut. Later generations were stoned by the side of the car because of their hard rock. Pelicans, pearls, corals and amber are known as the four organic gemstones in the West. They are regarded as one of the seven treasures in Chinese Buddhism and gold, silver, glaze, agate, pearl and amber. 砗磲 type: It is divided into unyuhua (porcelain white), semi-jade (milk white), whole jade (white), jaundice, blood stasis, golden silk and filigree. Among them, filigree and jaundice, blood stasis and jade phlegm are the most precious. There are some "玉化" 市 on the market that are added with chemical bleaching agents, which cannot see the texture itself. It is also impossible for natural cockroaches to be exactly the same. 砗磲 Maintenance instructions: (1) It is an organic treasure, the main component is calcium carbonate, so it can not be used for a long time. It needs to be cleaned regularly with water to keep the gloss as good as possible. (2) Do not expose to the sun, it is prone to cracks. (3) Appropriate oil protection.