Native and secondary cracked jade knowledge
Jade knowledge of primary cracks: Primary cracks are formed in the process of jade formation, followed by emeralds.
Jade knowledge of secondary cracks: There are two kinds of secondary cracks in jade: one is that after the formation of jade, it is driven by geological action and transported to the surface, so it is in the role of nature in the later weathering, It caused the crack of the jade. There is also a secondary jade crack. When the jade is artificially mined, some jadeite is difficult to be mined. It is necessary to use explosives to blast, so when it is blasted, it will easily cause cracks in the jade.
There is also a situation in which the artificial in the process of transportation, because of carelessness, the jade will collide with each other or the jade will fall off, resulting in dark cracks inside the jade stone.
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