In the process of crystal formation, it is often influenced by the environment and always contains some impurities. When we look at the sun, we can see light, uniform and fine stripes or catkins. However, fake crystals are mostly made of inferior crystal slag and glass slag, which are melted, polished and colored, without uniform stripes and catkin-like substances. When the crystal stone is placed in the sun, it can emit beautiful light from any angle. Fake crystals can't.

Putting natural amethyst in the palm of your hand will give you a cold feeling. If you wear it on your body, the temperature of natural amethyst will gradually increase with your body temperature, but the final temperature will be limited to the same temperature as the human body and will not rise upwards. After wearing fake amethyst for a period of time, it will feel higher than the body temperature.

The origin of amethyst in China can be divided into the following categories:

Amethyst mining in Shanxi has a history of one hundred years, mainly distributed in Wutai Mountain, Hengshan Mountain, Yanbei Mountain and Luliang Mountain. In Xinghe county, Inner Mongolia, crystals are produced in the granite pegmatite vein, mainly smoky crystals and a small amount of amethyst; Moreover, Allaben and Guyang counties, the former banner of Bayannaoer League, also produce amethyst. The origin of amethyst in Xinjiang is located at the edge of Tarim platform, and amethyst is mainly produced in granite and hydrothermal time veins.

Yunnan amethyst is distributed in Shigu and central Yunnan in the southern section of Ailao Mountain, as well as Lijiang, Feng Ke, Mashidi, Honghe, Longmuhe Dam, Bimiao and Luojiazhai in Yuanyang, with large crystals and good quality. The origin of Henan amethyst is mainly distributed in Nanyang area, with a small amount of output in Xinyang and Zhumadian. In Shandong, amethyst is mainly produced in Yishui Mazhan Township Water Plant.