The turquoise of China's four famous jade

Generally speaking, China's "four famous jade" refers to the "Hetian jade" produced in Xinjiang, the "Yuyu" produced in Liaoning's Xiuyan County, the "Dushan jade" produced in Henan Nanyang, and the output of Hubei Jixian. Turquoise.

Turquoise is named for its color and shape resembling green pine cones. It is one of the rare gemstones in the world. Turquoise products have become an important collection. It is a secondary mineral consisting of copper and aluminum. Phosphorus groundwater is leached from early granite rocks, and precipitates in the near-surface veins, which are surrounded by the matrix of the veins. Turquoise is the first mineral variety used as a decoration. In 1900, four turquoise gold-clad bracelets were unearthed in an ancient tomb in Egypt.

As a decoration, people love turquoise green and texture. In ancient times, people linked it to religion and superstition. Tibet in China is particularly revered for turquoise and is still a sacred decorative item for religious ceremonies. American Indians think that turquoise is the elf of the sea and the blue sky, a symbol of divine power. Most ancient civilizations admire turquoise, such as Egypt, Persia, and Aztec (the Mexican Indians). Turquoise is different in color due to the elements contained in it. The copper-containing oxide is blue, and the iron-containing oxide is green. Color is an important factor affecting the quality of turquoise. Turquoise origins mainly include the southern states of the United States, the northeastern part of Iran, and the Sinai Peninsula of Egypt. China, Australia, Chile, Afghanistan, and Russia also produce a small amount of turquoise. However, the world's largest turquoise gem is produced in Yungai Mountain, which is more than 1,200 meters above sea level in Jixian County, Hubei Province. This turquoise is 82 cm long, 29 cm high and 29 cm wide and weighs 66 kg. It is blue and green, with a complete structure and fine texture.

The Xiangyang area of ​​Hubei Province is known as the hometown of emeralds in the east. The abundance of turquoise is pure, bright and dazzling. The colors are mostly sky blue, turquoise, gray blue and pink green. It is extremely rare. The turquoise grade of the Yungaishan turquoise mine in Jixian County is the best and most precious. This largest piece of turquoise, now located in the Puyang Turquoise Development Corporation of Hubei Province, is to be carved into precious works of art.