1, the most common kind of white scorpion, is just a good seashore shell, nothing unusual, only a dozen to dozens. But if it is high-quality glutinous rice, it will not be so cheap. Like gold wire of general quality, an ornament costs at least 1000 yuan. Black agate is rare in nature. At present, the black agate seen in the market is natural agate, which turns black when heated. Because there is no other natural ingredient added, it will not fade, so it is usually considered natural. Agate is inferior in jewelry. Because black agate is hand-processed, the price is not too high, generally between 10 yuan and 1000 yuan, depending on the processing technology. The market price of ordinary black agate (with general processing technology) is between 10 ~ 30 yuan, and there are common black agate bracelets, bracelets and pendants. The price of necklaces made of black agate is relatively high, about 20 ~ 50 yuan. If you need to order in bulk, there are many sellers online, and the average price given is 8 ~ 20 yuan, which is cheaper than that of retailers. There are also black agate ornaments for sale in Story of the Stone, but the price is much higher, about 80 ~ 150 yuan. Of course, many famous luxury brands and jewelry associations have also raised the price of ordinary black agate to an amazing price through their unique production technology and "brand effect". It is rare for Ann to spend 365,000 yuan on a brand bright double C black agate ring in 2004. 2, generally there is no fake. Just different colors. Black agate should be white and smooth, not yellow. Transparency can be distinguished from three aspects: the transparency of real agate is not as good as that of synthetic agate, which is a bit messy, and some can see natural waterlines or "clouds", while synthetic agate has good transparency and is as transparent as a glass ball.

Weight: Real agate jewelry is heavier than synthetic agate jewelry.

Temperature: Real agate is warm in winter and cool in summer, while artificial agate changes with the outside temperature. It gets hot when it's hot and cool when it's cold. It depends on what kind of black agate and tortoise shell you bought. 4. Regular jewelry store