Chinese name: Turquoise is also known as turquoise, turquoise, and Turkic jade. English name: Turquoise Happy Buddha

Chemical formula: CuAl6(PO4)4(OH)8·5H2O Turquoise has different colors due to different elements contained in it. It is mostly sky blue, light blue, green-blue, green, and greenish pale. The oxides containing copper are blue and the oxides containing iron are green. Color is an important factor affecting the quality of turquoise. The best turquoise is sky blue porcelain pine, like glazed porcelain. If there are irregular iron wires, the quality is poor. The value of white turquoise is lower than that of blue and green. Those with iron "black lines" in the block are called "iron line turquoise", and abroad they are called "blue turquoise". Also known as emerald and turquoise, it is named after its color and shape like a green pine cone. It is one of the rare precious gemstones in the world. Because it is imported into European countries through Turkey, it is called "Turkish Jade", also known as "Turkic Jade". Turquoise products have now become important collections. It is a secondary mineral that was leached from groundwater containing copper, aluminum, and phosphorus in early granite stones. It precipitated in the veins near the surface to form nodules, and was formed by the veins. wrapped in a matrix. Turquoise is the earliest mineral variety used as jewelry. Turquoise is one of the ancient jade stones that is loved by people both at home and abroad in ancient and modern times. It has been used for decoration as far back as the Neolithic period. Among the cultural relics unearthed from the Yangshao Culture (6500-4000 years ago) site in Dahe Village, Zhengzhou, Henan Province, there are two turquoise fish-shaped ornaments. Twenty turquoise stones dating back 3,800 years were unearthed in Dahezhuang, Yongjing, Gansu, China. On the arm of the mummy of the Egyptian Queen (Queen Zer) 5,000 years ago, there were four turquoise gold-filled bracelets. Turquoise products have beautiful colors and are deeply loved by people at home and abroad, especially Muslims and people in the western United States. At present, turquoise-processed jewelry and handicrafts in China are selling well all over the world, and all raw materials are produced in China. Gem-grade turquoise is a dense massive aggregate mainly composed of turquoise minerals that reaches jade grade and is formed during geological processes. This definition emphasizes that it is formed during geological processes and is different from synthetic turquoise and other jade. (Chemical formula of turquoise: CuAl6(PO4)4(OH)8·5H2O) There is a beautiful legend: Nuwa patched the sky with colorful stones, turquoise is one of them, and it is now distributed in Baofeng Town, Zhushan County, Shiyan City, Hubei Province The comparison