1. Characteristics of kyanite
Kyanite is a transparent or translucent gem, and its color mainly depends on the content of copper and iron. Its color ranges from light green to deep blue, and sometimes even purple. This kind of gem is full in color, good in luster, high in refractive index and refractive index, and shines in the sun.
Kyanite has a high hardness, about 7.5 to 8, which belongs to the higher hardness category of gemstones. This makes kyanite can be used in various jewelry making, such as rings, necklaces, earrings and so on. Kyanite is relatively expensive in the market because of its rarity and beauty.
2. The source of kyanite
The main producing areas of kyanite include Brazil, Russian, Australian, American and China. Among them, Brazil is one of the most important kyanite producing areas in the world, and its kyanite is famous for its full color and high transparency. Russian kyanite is also favored for its dark blue and unique texture.
China's Yunnan, Sichuan, Guizhou and other places also produce a certain amount of kyanite. Among them, kyanite in Yunnan Province is famous for its dark green and high transparency, and is known as the "hometown of jadeite". Kyanite from Sichuan province is loved by gem lovers for its dark blue and unique texture.
3. Processing of kyanite
The processing of kyanite includes mining, cutting and grinding. First, miners will use special tools and equipment to mine kyanite in the mine. Then, the rough stone will be sent to the processing plant for cutting and polishing. In this process, craftsmen will choose the appropriate cutting method according to the shape, size and texture of the original stone to present the best color.
The cut kyanite will be polished to make its surface smooth and delicate. In the process of polishing, craftsmen will use grinding wheels and polishing materials with different particle sizes to gradually polish kyanite into a bright mirror. Finally, after strict inspection and screening, kyanite that meets the quality requirements will be used for jewelry making.
4. Maintenance of kyanite
In order to keep the beauty and luster of kyanite, we need to maintain it correctly. First of all, avoid kyanite being exposed to high temperature and sunlight to prevent its color from fading or fading. Secondly, avoid kyanite contacting with chemical substances, such as acid and alkali. , so as not to cause damage to it. Besides, we should also clean kyanite regularly. We can gently clean its surface with mild soapy water and a soft brush.
Finally, kyanite should be stored in a dry and clean place to avoid rubbing with other precious stones or hard objects to prevent scratches or damage. If kyanite is properly maintained and preserved, it will show dazzling light for a long time.