Pure quartz can pass ultraviolet light, visible light and infrared light of a certain wavelength range, and has properties such as optical rotation, piezoelectricity and electrostriction. The following Xiaobian introduces the knowledge of quartzite jade.
The difference between quartzite jade and jade:
Quartzite jade and jade identification method, quartzite jade is composed of granular quartz mass composed of dense blocks, quartz content of more than 90%. Jade has two kinds of soft and hard, usually jade refers to nephrite, jadeite has another popular name - Jade. Quartz jade and jade are different in physical properties, which is the main method to identify quartzite jade and jade.
Quartzite jade mainly becomes silica. Nephrite is a water-containing calcium magnesium silicate with a hardness of 6.5 or less, excellent toughness, and translucent to opaque, fibrous crystal aggregates. Jadeite, a sodium aluminosilicate, hardness 6.5-7, translucent to opaque, granular to fibrous aggregate, dense block. The two jade shapes are very similar. The proportion of jadeite (3.25-3.4) is greater than nephrite (2.9-3.1).
Quartz jade and jade identification method:
How to identify quartzite jade and jade, quartzite jade are more dense blocks or significant particulate aggregates, and some appear beautiful colors due to the presence of colored minerals. Among them, there are many jade varieties such as Jingbaiyu, Donglingshi, Mixianyu, Guicui, Taiwancui, and placer stone. Most of the quartzite jade are fine-grained quartz aggregates, and the encased minerals are ceramisite, lepidolite, chromite mica and hematite.
The quality of quartz rock is mainly evaluated from the aspects of texture, color, transparency, impurities, cracks, etc. Usually, the jade is delicate and uniform, the color is bright and uniform, there is a certain degree of transparency, less sand eyes or the naked eye is not easy to find, impurities, cracks are less good.
Quartzite jade is mainly composed of quartz because of its compositional minerals. Therefore, it is easy to distinguish it from jadeite and nephrite depending on its hardness, glass luster and the lightness of quartz. At the same time, quartzite jade is brittle and not as tough as nephrite and emerald. Therefore, the identification of quartzite jade and jade is mainly the difference between the quality of quartzite jade and jade. From the appearance, it is easy to identify quartzite jade and jade.
Difference between quartzite jade and jadeite:
1. The color distribution of quartzite jade and jadeite is different. Generally, after dyed quartzite jade, its color distribution is very even and mostly oil cyan. Its background looks very clean and there is no huangse tone, but for jadeite, its color distribution is differentiated according to shades of shades. Its distribution is different in shape.
2. The structure of quartzite jade and jadeite is different. Like quartzite jade, there is no greenery and color root. These are the main features of jadeite, and they are also the biggest differences between quartzite jade and jadeite.
3, quartzite jade and emerald drum polishing pit is different, quartzite jade is mostly made ring surface, made after its bottom surface is concave, but jade is rarely made ring surface, the bottom surface is not the shape Concave.
4, quartzite jade and jade loofah different structure. The reason for this difference is that during the process of dyeing of quartzite jade, the dyestuffs used are concentrated in the interstices of the particles, so that the loofah structure has emerged.
5. The refractive index of quartzite jade and jadeite is different. The refractive index of quartzite jade is 1.55, but the refractive index of jadeite is 1.66. It can be seen that the refractive index of quartzite jade is smaller than that of jadeite.
6. The relative density of quartzite jade and jadeite is different. The density of quartzite jade is 2.80, and the density of jadeite is 3.32. It can be seen that the density of quartzite jade is smaller than that of jadeite.
Xiao Bian concludes: The above introduced quartzite jade for everyone and hopes to help everyone. For more relevant knowledge, please continue to pay attention to this website information platform. Follow-up will bring more exciting content for everyone.
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