Amazon (Amazon for short; Nasdaq: AMZN) is the largest online e-commerce company in the United States, located in Seattle, Washington. Amazon was founded in 1994. At first, it only operated online book sales, but now it has expanded to a wide range of other products. It has become an online retailer with the largest variety of goods in the world and the second largest Internet enterprise in the world. The company name also includes AlexaInternet, a9, lab 126 and Internet Movie Database (Internet Movie Database).

Crystal is a rare mineral, a kind of gem, and a timely crystal, which belongs to the timely family in mineralogy. The main chemical composition is silicon dioxide, and the chemical formula is SiO2.

When pure, colorless and transparent crystals are formed. When containing trace elements such as aluminum and iron, it is pink, purple, yellow and brown. After irradiation, trace elements form different types of color centers and produce different colors, such as purple, yellow, brown and pink. Minerals containing associated inclusions are called inclusion crystals, such as hair crystal, green ghost, red rabbit hair and so on. Inclusions include rutile, tourmaline, actinolite, mica and chlorite.