2. Thai gems: mainly produced in the Zhantawuli area bordering Thailand and Cambodia. It is a blue-black and extremely dark blue gem. Observing with a magnifying glass, we can see fingerprint-like gas-liquid inclusions and a water lily-like inclusion, with a black mineral in the center and a circle of cracks on the edge.
3. Sri Lankan gemstone: It mainly refers to a kind of sapphire, with various colors and bright colors, such as blue and sky blue. , high transparency, mainly produced in Sabaragamuwa area of Sri Lanka. Stars can be seen on the arc surface and bottom surface of starlight sapphire, which is translucent and thinner and more obvious than Burmese starlight sapphire.
4. Kashmir sapphire: This gem is mainly produced in Parda, southeast Kashmir. It is purple blue or cornflower blue, with milky white mist inclusions, like goose down, and the transparency is not absolutely high. It is a high-quality gem with bright color, but it has been out of use for many years after extensive mining, so it is very precious and has become synonymous with high-quality sapphire in jewelry industry.
5. Australian sapphires: Australia is a major producer of sapphires in the world, mainly produced in New South Wales, Victoria and Queensland. There are various variegated colors and light-colored series of sapphires, such as grayish blue or turquoise, orange brown and so on. Since the mining in 185 1 year, it has been continuously supplying the needs of the society.
6. China Sapphire: Dear friends, do you know? China is also the origin of sapphire. Many sapphire deposits have been found in China, Hainan, Fujian, Shandong, Anhui and other places. Among them, Shandong's sapphires are of the best quality, dark in color, and some are dark black, so some can only be used after changing color.