"BC goods" is a professional term in the jadeite industry, B goods are jadeite processed by artificial coloring, C goods are jadeite processed by artificial filling, BC goods are both coloring and filling, so how should we identify whether jadeite is BC goods?Here are some commonly used test methods:
1.Observation: Use the naked eye to see if the color of the jadeite is too bright. The color of the jadeite will be too bright in some parts, the color distribution is uneven or there are some different shades of color spots inside the jadeite. C jadeite, because the color will be improved as a whole after filling, and it will look "perfect".
2.Listening: Knocking on the BC goods, the sound will sound more hollow or hoarse, while the A goods jade has a crisp sound.
3.Touch: Hetian jade does not do any artificial treatment of a goods jadeite feel lubricated, while BC goods jadeite feel slightly waxy or sticky.
4.Light transmission: BC jadeite through strong light, the edge will show obvious white edges or color changes.
5.Inspection: Testing institutions with professional equipment can detect whether jadeite has been treated through certain methods (such as Raman spectroscopy, infrared spectroscopy, etc.).
It should be noted that these are only basic identification methods, and the real judgment of whether the jadeite is BC goods still needs to rely on professional knowledge and experience. If you have doubts when purchasing, it is best to find a professional testing agency for identification.
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