The color of the sea sapphire is green, blue, sky blue, sea blue, and the value of the sea sapphire is generally determined by blueness and clarity.
The classification of the quality of the blue-and-white treasures in the market from low to high:
(In the case of a bead bracelet, the variegation does not affect the appearance)
1. Stone light blue
Discrimination: not transparent or blue is the feature
2. Stone dark blue
Discrimination: the darker the color, the more gray and blue, the surface has white fluorescence
3. Semi-transparent light blue
Discrimination: cotton split even and semi-transparent, color sky blue is lighter
4. Run-up light blue
Discrimination: semi-transparent like blue chalcedony, the difference is the internal cotton crack
5. Semi-transparent sky blue
Discrimination: cotton turbidity is uniform, the color is sky blue, and the interior has white fluorescence.
6. Semi-permeable blue
Discrimination: cotton cracks are uneven, color water blue is different from sky blue
7. Body cat eyes
Discrimination: the body is transparent and the cat's eye is more watery and moisturized than the chalcedony.
8. Translucent water blue
Discrimination: less cotton cracks, foam like sea water
9. Clean body water blue
Discrimination: The body is crystal clear, like calm sea water. Different from topaz
The above is an overview of the types of sea sapphire, not all, and the value is measured by the legend interval. (The color is the difference in shooting, the specific color is subject to the actual object)
Summary: stoneness, body strength, crystal transparency, color difference and depth to measure the value of the sea sapphire.
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