According to the website of Jade Jewelry, the coffee color of turquoise is usually considered as a rare and precious color, because it has a deep mystery and is used for jewelry and decorations, which is suitable for high-end market purchase.

Turquoise is a common jade, also known as "turquoise", which is named because of its almost loose green color. It belongs to high-quality jade material, which was called "the pearl in the sky" in China in Qing Dynasty, and also called "Turkish jade" or "Turkic jade" in Europe.