Purple represents nobility and is often the favorite color of nobles. In Christianity, purple stands for sadness. Purple also represents courage and courage. Concealed, melancholy, noble, mysterious, deep, mature and romantic.
For example, the Forbidden City in Beijing is also called the Forbidden City, and there is also the so-called "purple gas coming from the east".
Purple represents nobility and is often the favorite color of nobles. Amethyst: mysterious and romantic, it is the only purple gem.