[Sapphire]
Sapphire, clear, 1.37 cm high, 2.63 cm long, 2.08 cm wide. It weighs 13.68 carats.
The gem is oval, which is a bare stone that has been simply polished but not inlaid. The gem is dark blue, clear and transparent, and of pure quality. It is the best of sapphires
Sapphire, mineral name corundum, crystalline, Mohs hardness 9, is one of the five precious gemstones. It is mainly produced in Myanmar, Sri Lanka and India, among which the most beautiful is Indian sapphire, which is cornflower blue
![图片[1]-sapphire-China Archive](https://chinaarchive.net/Qing dynasty/Jade ware/50795[1024].jpg)
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