Sapphire (ไพลิน)

Sapphire or blue sapphire, the queen among the gemstones, the royal of the history. Sapphire or blue sapphire is the king of the blue gemstone. Because of its bright and clear blue color, blue sapphire is considered rare and expensive. It is within the corundum with 9 hardness levels in the Mohs Scale. In the […]

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