How does black agate distinguish between authenticity and falsehood?
The high-grade black onyx is black, pure, and has a natural texture; the proportion of plastic is much worse than that of agate, and it does not fall like agate. The feel and specific gravity of the glass is similar to that of agate, but the surface of the black onyx can be scored with a small steel knife. The real agate is not scratched because the hardness of the agate is 7, and the hardness of the small steel knife is about 5.5. Black lacquered glass will have scratches. In addition, the black agate is warm in winter and cool in summer, while synthetic agate will change with the outside temperature.
Black has always given people a mysterious impression. It is regarded as a "heterogeneous" in the bright and colorful jewel world, but on the other hand, black onyx is as strong as "black hole". It is a very good guardian stone to absorb nearby gas or negative energy, also known as "avoiding evil spirits." Black agate can also strengthen individual courage and courage, eliminate negative energy, and have the effect of calming the nerves.
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