First, the name of Su Jishi Su Jijing, Sugilite, consists of a variety of elements including potassium, sodium, manganese, lithium, iron, aluminum, and silicate. It is commonly known as “Shu Lilai Stoneâ€, also known as “Shanshuiâ€, to commemorate the first place. The discovery of Japanese oil exploration and rock mineralogist Ken-ichi Sugi, with very little production, is a rare gem and is regarded as a national treasure by South Africa. Second, the origin and characteristics of Su Jishi Su Jiushi currently produces South Africa, Japan and Canada, and also said that he was born in Brazil (Taiwanese scholar Tang Huimin). The discovery of gem-quality Su Jiushi is in the Kuruman manganese ore district of the Kalahari Desert in South Africa. There are many manganese ore deposits in this area, but only the only Wessels mine has such gem-grade sovierites. Currently, the Wessels mine is also larger in the world. The Su Ji Shi mining area must be drilled to a depth of 3,200 feet (about 975 meters), which is very difficult. Su Ji Shi is brightly colored and has many types of grape purple, which are different in depth and shade. Due to the presence of associated quartz, different shades of light are formed. The more famous and expensive color is the deep purple. Colors range from lavender to purple, often accompanied by the appearance of stone. This stone is usually translucent to opaque, and when it is purple, it is generally opaque and has a waxy luster. Other colors are yellow, brown, black and light pink. Third, the wearing and maintenance of Su Jishi Su Ji Shi is a jewellery accessory gem that is extremely good with other gemstones, especially with turquoise, malachite and coral. The Mohs hardness is usually 6-6.5, which is very suitable for jewelry processing and can be arbitrarily cut into various shapes and sizes. Su Jishi should pay attention to certain maintenance when inlaying and wearing, but it is more durable than some other popular popular gemstones. For example, Su Jishi is more resistant to chemicals than turquoise, and more resistant to heat or dry than opal. If it is a ring that you wear regularly, you can wipe it from time to time, and avoid touching hard objects. For most people, this variety is indeed a very durable piece of jewelry. Fourth, Su Jishi's market conditions and prospects analysis Over time, Su Jishi became popular after 2006, and a large number of opaque varieties were usually processed into sterling silver inlaid jewels and sold through home shopping and online auctions. Although a very small amount of rough is transparent or translucent, most of the market circulation is usually opaque. Translucent dark purple species (grass) are considered gem-quality Su-stones, which are extremely expensive due to their extremely rare presence. It is estimated that Su Shishi, which can be called gem-grade, accounts for less than 0.5% of the total mining volume. Therefore, the price of Su Jishi has been at a high level. Traditionally, the more pure the color, the more expensive it is. The more moisturized the better, the pink, royal purple, and cherry blossoms are currently more expensive. Blue, purple, green, and light purple are not cheap. The factors affecting price include personal preference. The rarity of color, the novelty of style, and so on. The same color, if the water is not good, is not enough moisture, the price will be lower, so sometimes there are examples of the picture that looks the same, but the price difference is very far. There are not many good materials, so the bracelet will be more expensive and the beads will be more expensive. The quality is the same, the larger the volume, the more valuable it is. A little bracelet with a pink color (impurities) will be more expensive than the usual light color. If it is a collection, the first to promote the color of pink, royal purple, cherry blossoms. In the end, it is still necessary to look at the buyer's personal preferences, radish cabbage, each have their own love, if you like it and do not cause economic burden, you can properly shoot. All in all, Su Jishi is suitable for jewelry processing, bright and relatively stable, not easy to break, so it is suitable for daily wear and other good characteristics, providing jewelry designers with countless kinds of purple choices, many jewelry industry people predict that they will become More popular. 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