Changhua frozen bloodstone is one of the bloodstone varieties, which is the product of late silicification of kaolinite and alunite.
Usually, the hard bloodstone seen in the market is mainly brownish yellow and reddish. Therefore, such a Changhua soft bloodstone seal can be regarded as the best variety of Changhua bloodstone.
Changhua bloodstone is famous for its rare output and moist and delicate texture, and has always been known as Princess Yin Shi and Queen Zhang Shi.
The price of Changhua hard ground bloodstone ranges from several hundred yuan to tens of millions.
Changhua bloodstone can be divided into four categories: frozen ground, soft ground, hard ground and hard ground.
Frozen bloodstone includes glass jelly, sheep fat jelly, ox horn jelly and peach blossom jelly. Which is slightly transparent or translucent and has a hardness of 2 to 3.
The hardness of bloodstone on soft ground is 2 ~ 4; Gangdi bloodstone is the product of late silicification of kaolinite and alunite, with hardness of 4-7.
Hard grinding bloodstone is the product of silicification in the process of mineralization. Its geological name is Cinnabar silicified tuff or siliceous rocks containing Cinnabar. Its main component is silicon dioxide, and its hardness is greater than 7.
The color of bloodstone is the most expensive from bright red, followed by scarlet and dark red.
Bright red is also called promoting blood circulation; Crimson is called dead blood because it looks like blood coagulation.
Soft bloodstone is the product of silicification during mineralization. Its geological name is Cinnabar silicified tuff or siliceous rocks containing Cinnabar. Its main component is silicon dioxide, and its hardness is greater than 7.
Hard ground bloodstone is composed of cinnabar and silicified tuff, which belongs to polychromatic jade. Common hard ground bloodstone are: black whirlwind, tile gray ground, pink ground, vermilion ground, sauce purple ground, Qiao Shi ground, white jade, topaz, sapphire, flower jade and so on.
Gangdi bloodstone is mainly brown and reddish, and most of it is not suitable for carving. Generally, it is a little processed to appreciate its natural beauty.
Hard grinding bloodstone is difficult to carve, and it belongs to low-grade products.
However, if some bloodstone with higher hardness can meet this standard, it is the best among the best, which is very valuable for collection.
Changhua bloodstone is divided into bright red, bright red and dark red according to the color of blood.
According to the shape, it can be divided into flake red, stripe red and dot red.
Generally speaking, the higher the degree of coagulation, the more concentrated the distribution, and the higher the quality of bloodstone.
Changhua hard ground bloodstone price Changhua hard ground bloodstone price ranges from several thousand yuan to ten thousand yuan.
Hard grinding bloodstone is the product of silicification in the process of mineralization. Geologically, it is called cinnabar silicified tuff or cinnabar-bearing siliceous rocks. Its main component is silicon dioxide, and its hardness is greater than 7.
The quality of Changhua bloodstone can be divided into four categories according to blood color, blood volume and concentration: frozen ground, soft ground, hard ground and hard ground. Among them, the bloodstone in the stone frozen ground includes glass glue, sheep fat glue, ox horn glue, peach blossom glue and so on. It is slightly transparent or translucent, and its hardness is 23.
Changhua bloodstone usually has a high market value, so there are many fakes. Pay attention to identifying the authenticity when buying.
Bloodstone is the rock-breaking stone in cinnabar, named after its bright red color like chicken blood.
Bloodstone, together with Shoushan Stone, Qingtian Stone and Balin Stone, enjoys the reputation of four national stones in China.
Mainly used as seal or craft carving material.
China first discovered Yuyanshan bloodstone in Changhua, Zhejiang.
Later, bahrain bloodstone was discovered in Bahrain Right Banner, Chifeng City, Inner Mongolia.
In 1990s, bloodstone was discovered in Guizhou, Shaanxi, Gansu, Sichuan, Hunan, Yunnan and Xinjiang.
Bloodstone is a unique gem in China. Because it is buried deep in volcanic solution, it forms vermilion as bright as chicken blood, commonly known as chicken blood stone, which is a good material for seals and ornaments.
The main components of Changhua bloodstone are dickite and cinnabar. In addition to these two parts, there are many secondary minerals. The blood color of Changhua bloodstone far exceeds that of Tielongsheng jadeite and other colored stones, and there is no conclusion at present.
However, some people prefer Changhua bloodstone, which leads to many fakes on the market.
First of all, look at the luster: the application of polishing technology of Changhua bloodstone makes Changhua bloodstone look soft, moist and delicate, with obvious wax light and bright color, like a layer of honey coated on the surface, which is very uniform and has a strong sense of grease.
When identifying Changhua bloodstone, just prepare a cutting saw blade, then soak the bloodstone in water for several hours and lift it up. If Changhua bloodstone can roll down from the bottom, the imitation bloodstone will easily slide down.