Sha Tai Cui, also known as "Beauty Jade" (also called She Tai Yu). It is said to be the oldest natural stone in China. Origin: Inner Mongolia, China Size: Free size The main component of She Tai Cui is silicon dioxide, SiO2 quartz rock jade. The density is 2.659/cm3 and the hardness is 7, belonging to the category of jadeite. It is also often used for carving. Excavated since 2007, it has properties similar to jade, and was officially named "She Tai Cui (shē, tài, cuì)" after the local name "She Tai Zhen" with the addition of "翠 (cui)", meaning jade. It shows aging more prominently than jade, and you can enjoy a greater sense of moisture and luster. Compared to jade, it has a richer color palette, is easier to bring out the luster, and is relatively more affordable. It contains a variety of trace elements and is said to balance the mind and body, and provide a calming effect. It becomes more lustrous with daily handling. ☆Photographed with indoor lighting, and no photo processing filters have been used. All the accessories handled here are made by carving natural stones from the raw stone. There is no dyeing, composite material, heat treatment, or oil impregnation treatment. Due to the nature of natural stones, there may be fine scratches, cloudiness, and minor cracks that occur over time. Please make your judgment based on the photos. These items were selected one by one by family members and obtained overseas. They are being offered for sale because they have not been used. There may be some errors due to amateur measurements. Please understand this before purchasing. Each item is one-of-a-kind, so refunds, returns, and exchanges are not possible. When shipping, the item will be sent with a box, but the box is only for preventing breakage, and the box itself cannot be selected. Please note that it is not a product box.