Cinnabar, also known as Cinnabar, cinnabar, red lead, mercury sand, etc. , is a natural mineral of mercury sulfide. Bright red, with diamond luster to metallic luster, belonging to the tripartite crystal system. Its main component is mercuric sulfide, which is often used as a good medicine to calm the nerves in traditional Chinese medicine, but it is often mixed with realgar, apatite and asphaltene.
Cinnabar species
1, natural raw ore cinnabar
It is characterized by coarse and uneven grains, uneven color, high brittleness, white or black impurities and irregular cross section.
2. Reduction of cinnabar ore
Referred to as reduced sand, it is made by grinding cinnabar returned by mercury and mercury sulfide. It is characterized by fine and regular particles, no impurities, and a little silver wire under strong light, which is darker than the original ore.
3. Powder cinnabar
Extract cinnabar powder with the purity of 100% from natural cinnabar ore, and then add a small amount of amber powder to shape it. The surface is beautifully carved and polished.
4, cinnabar crystal
High collection value, but low hardness and easy to break.
5, rootless sand
Rootless sand is cinnabar that falls off the vein due to crustal movement. After falling off, it grows in the sediment and is eroded by the sediment, which will form various honeycomb holes. Its shape is very natural and beautiful, and its impurity content is less.
The above contents refer to Baidu Encyclopedia-Cinnabar.