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The quality of tourmaline can be carried out in terms of weight, color, clarity and cut.
Tourmaline bracelet color: Rose red, purple, green and pure blue are the best, pink and yellow are the second, colorless. In the necklace and bracelet, the color is better, the color of each bead can be different, with red, yellow, blue, green and other colors; more valuable is the presence of two or more colors on the same tourmaline , that is, two-color tourmaline or multi-color tourmaline, the inner infrared green watermelon tourmaline is also more precious. Western countries are more fond of black tourmaline.
Clarity: requires less internal enthalpy, the highest price of crystal clear tourmaline, and the tourmaline containing many cracks and gas-liquid inclusions is usually used as jade carving material.
Weight: The higher the weight, the higher the price.
Cut: The cut should be regular, the ratio is symmetrical, and the polishing is good. Otherwise it will affect the value.
Natural: Western countries prefer natural, unrecognized original tourmaline.
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