1, red is the best color.

In general, cinnabar has the best quality. When the texture is pure, its surface is vermilion and looks crystal clear. When containing impurities, it will be brownish red or dark red. The less variegated, the higher its value.

2, the crystal quality is good

The quality of cinnabar crystals in cinnabar is very good. The main feature is that the single crystal is thick plate or diamond. This cinnabar metal has good gloss, better permeability after polishing and the lowest hardness, so it is easy to break. This is the most precious and valuable variety of cinnabar.

Cinnabar selection skills

1, bright red color, diamond luster, crisp quality and no impurities are preferred.

2. Choose qualified merchants, and the products with complete product information such as trademark, manufacturer's address, approval number and factory date are printed on the packaging.

3. Artificially forged cinnabar is made of small particles of taupe or bluish brown ore wrapped with crimson pigment or crimson fine powder. It is a block of different sizes, and there are also transparent body with small particles. Its appearance is dark red, its color is rough, and it has no diamond luster.

4. The quality can't just depend on the color, but on the luster, texture, defects and other aspects. If the texture is moist and delicate, there are few defects, and the internal particle structure is exquisite, the quality is the best, which is rare in the market and the price is relatively high.