Amethyst is a kind of purple crystal in the crystal family. People like crystal clear, amethyst in the crystal family is the kind that emits purple light, giving people a noble and beautiful feeling. Amethyst is made of silicon dioxide, which can be blue or red-purple from different angles.

Amethyst can appear purple because it is mixed with minerals such as iron and manganese. This color is special, so it is considered to be a good product that can enhance spirituality and wisdom. Amethyst with gem value is produced in caves such as shale, pegmatite or volcanic rock.

"Although the birefringence of amethyst is similar to that of cordierite (0.008 to 0.0 12), the difference between color and multicolor is obvious. The color of lapis lazuli is purple-blue, and the purple of amethyst rarely appears. Leather bluestone is obviously multicolored and visible to the naked eye, and different colors can be seen from different directions. Amethyst is the same color with different shades (blue and purple to purple shades are different). In addition, amethyst is a uniaxial crystal with a bull's-eye interference pattern, while Dong Qingshi is a biaxial crystal. " -Quoted from Baidu Encyclopedia.

The color of amethyst is still different from others. The identification of amethyst can be touched by hand. Generally, the temperature in the crystal stone is cool, and there will be natural ice cracks or white clouds impurities. Rock crystal, in particular, has massive inclusions that modern products cannot imitate.

You can also observe its dichroism and look at facets from different angles. Even the top amethyst has chromatic aberration. Hold amethyst up and look at the sun, and you can see that there are light horizontal stripes or catkin-like objects inside. Even with a magnifying glass, it is impossible to find bubbles.