1, composition and source
Blue-and-white jet is a kind of black jade dyed by natural ferromanganese ore, and its color mainly comes from ore composition. Jet is a silicate mineral, which is different from blue and white jet in composition. Blue and white black jade is mainly produced in Shanxi, Henan, Jiangxi and other places in China, especially in Yanggao County, Datong City, Shanxi Province. The producing areas of jet are widely distributed all over the world, among which Hotan jet in Xinjiang, China is the most famous, and there are also jet producing areas from Myanmar, Canada, Australia and other countries and regions.
2. Color and texture
The main feature of blue-and-white jet is cyan tone, which usually appears light green or light cyan, among which light green is more common. It is named after adding oxidant in the production process to make it green. And jet has a wider range of colors, mainly dark black, gray, green and white. The texture of blue-and-white jet is usually a gradual texture like water waves, which presents a unique texture effect under light. The texture of jet is more diverse, showing stripes and cloud-like textures. Each jet has a unique texture and pattern.
3. Source and rarity
Blue and white jet is usually produced in China, especially in Xinjiang, and jet is spread all over the world. However, high-quality blue-and-white jet and jet are relatively rare, which have high collection and investment value. Blue and white jet is mainly produced in China, especially in Shanxi, Henan and Jiangxi provinces of China. Among them, Yanggao County in Datong City, Shanxi Province is the most famous. Xinjiang, China is one of the most famous producing areas of jet in the world, especially in Hotan area. Hetian jade (a kind of jet) here is known as the emerald capital of the East.
4. Precious degree and use
Generally speaking, because the processing and dyeing technology of blue-and-white jet is relatively complex and requires high technology, blue-and-white jet has higher preciousness and collection value than ordinary jet. Blue and white jet is often used to make decorations, ornaments and handicrafts, and its unique color and texture add artistic value to the works. Ink jade is widely used in the field of jewelry and handicrafts, and its hardness and texture make it very suitable for cutting, carving and polishing into various shapes of jewelry and ornaments.