Emerald

There are many jade stones of the same color as the jade, but their green tones are obviously different and can be recognized by the naked eye. In addition, their physical and optical properties such as specific gravity and hardness refractive index absorption spectrum are very different and easy to identify. There are the following varieties: emerald (emerald), garnet (calcium iron garnet), beryl (green variety in aquamarine), tanzanite (dragon stone), calcium aluminum garnet, grape stone , Fushan Stone (California stone), green lead stone, green crystal, green vermiculite, green tourmaline, green olivine, Tianhe stone (feldspar), Dongling stone, Australian jade (green chalcedony), and Transparent green garnet containing vanadium nitrogen compounds, and the like.

Emerald

Emerald

Emerald

Emerald

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