Chicken blood stone, is the ground-opening stone of the cinnabar strip, named for the bright red cinnabar (cinnabar) that resembles chicken blood. Chicken blood stone contains cinnabar (cinnabar), quartz, chalcedony 35%-45%. Magnetite, hematite 6%-12%. Cinnabar about 5%-8%. Along with Shoushan Stone, Qingtian Stone and Bahrain Stone, Chicken Bloodstone enjoys the reputation of being one of the "Four National Stones" of China. It is mainly used as a seal or craft carving material.
"Three treasures for seal" one of the bloodstone in the eyes of the collector's value is no less than Hetian jade, especially Changhua bloodstone with its unique charm to become the new darling of the auction market. Fujian Tianhuang is called "seal emperor", Changhua bloodstone is called "seal queen", Tianhuang bloodstone is "emperor and queen of the edge", in the past 10 years **** found more than a thousand pieces! The price is very expensive.
Expanded information:
Hematite identification tips:
1, look at the real stone! Hardness low surface "live blood". Chicken blood stone hardness is very low, the specific gravity is only 2.6 up and down, with the teeth bite its surface or use a carving knife to scratch its surface, will leave marks. With a spotlight flashlight on the surface of the stone, if the red appeared to be waves of light overflow phantom color scene, the real bloodstone, known as "live blood", if no waves of light overflow condition, is likely to be fake, may also be the bloodstone in the lower grade of the product.
2, the surface of the real thing without too many holes. True chicken blood stone surface is generally more delicate and flat, without too many holes; while the fake chicken blood stone is often stained using impregnation method, a long time, the pores of the skin will become thicker, with a magnifying glass to carefully observe the surface will be found in tiny brown eyes, which concludes that the fake goods.
3, chicken blood grafting method. One class is not originally chicken blood on the stone patch, leaving no trace. Another type is to use similar texture of the stone for collocation, making the original very small stone becomes large. There is another is in the original bloodless place to glue a piece, and then carve the colorful carving, will be glued at the clever treatment, the larger carvings are common this means, clever carving process to cover up the cracks, and thus this method is the most difficult to be recognized.
4, resin synthesis method. Some unscrupulous merchants use stone powder, resin or glue, and paint and other mixed "chicken blood stone". This "chicken blood stone" on the hands of the weight is generally lighter, but there will be inside the "sandwich" situation, will be mixed with iron inside the pressure, pit people in the invisible, this looks close to the "big red robe" The "chicken blood stone" is very confusing.
5, paint embellishment method. This method is in the original "blood" amount of small amount of red paint on the bottom, in order to achieve the purpose of increasing the "blood" color, and this method is usually with "blood powder" filling method and, in the fissure This method is often used in conjunction with the "blood powder" filling method, in which the cracks are filled and the concave surfaces are colored.
Baidu Encyclopedia - Chicken Blood Stone
People's Daily Online - Top Chicken Blood Stones Rise 20 Times In Three Years