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Tips for Judging jade’s good or bad by jade flashlight

Tips for Judging jade’s good or bad by jade flashlight

2016-02-19

The purpose of lighting is judging jade’s good or bad by jade flashlight. Flashlight jade jewelry commonly used as an auxiliary tool, applications is wide. By lighting a preliminary analysis of Huanglong jade.
Flashlight mostly used in two case, one, buy jade products, two, jade identification of the original stone. when using flashlight to purchase jade finished products,single purpose is to observe whether there are flaws jade finished, lock crack, if there is an acceptable Fringe, Obscure, and so on. When buying jade finished products, you can borrow a flashlight from stores to lighting observation jade finished products , lighting method is lay jade finished flashlight and lighting from bottom to surface, the light from bottom to top throughout jade products, for transparent or semi transparent jade finished products, whether there are patterns crack at a glance.
HuangLongYu made of Aphanitic quartz,light hitting its surface, have different imaging findings. When light is incident on the translucent grains HuangLongYu, part of reflection and refraction, part absorbed, and part can be transmitted. to judging jade must from various considerations, one of method to judging  Huanglong jade’s good or bad is lighting, and there is no uniform standard, this approach is only a secondary method for exploring the general situation HuangLongYu inside, according to the backlit light penetration and formation can be roughly know whether pure and delicate jade, lighting has become an important means of identification of jade.
Lighting observe Huanglong finished products is not the only way to judging Huanglong jade stone, observed Huanglong jade most important method is to observe with the naked eye. Look skin, skin should be smooth, thickness affordable. Look ribbons, ribbon formation, arrangement rules, instructions jade fine and smooth and moist, clean and uniform color. There are a few not obvious HuangLongYu ribbon, very difficult to observe visually, in fact, opened a ribbon of color and grain blend is to share. Look at the color, to the naked eye can see the surface color is uniform, whether the color is good, whether there is much difference with the internal real jade.
Applicable Flashlight, master the characteristics of light, to help the election of the satisfaction jade.