Ordinary green tourmaline, savory stone, chrome diopside, etc. are all varieties that are easily confused with chrome tourmaline. The price of chrome tourmaline and savory stone is comparable, and the market value of chrome diopside is slightly lower than that of ordinary green tourmaline. Therefore, these gems must be identified to avoid unnecessary economic losses. What is the difference between chrome tourmaline Or green tourmaline?
Chrome tourmaline and ordinary green tourmaline: chrome tourmaline has several obvious characteristics, the fire color is generally high, with a dark color in the fire, which makes the gem overall more charming; and its size is also small, It is difficult to have a large chrome tourmaline; the general green tourmaline color appears dark from any angle, not as green as chrome tourmaline; in addition, the Charles filter can quickly distinguish between the two, chrome tourmaline under the Charles filter Will turn red.
Chrome tourmaline and saffronite: Visually, there is no pleochroism in the sandstone, while chrome tourmaline has obvious yellow-green to blue-green pleochroism.
Chrome tourmaline and chrome diopside: chrome tourmaline and chrome diopside have similar appearance. Under the Charles filter and spectroscopic phenomenon, if you want to distinguish accurately, you have to use conventional instruments such as refractometer.
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