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Bicolor Sapphire



Bicolor Sapphire (Parti Sapphire) or TwoToned Sapphire is the result of the zoning of two colors in a single stone,that is the uneven distribution of color in a stone. Color Zoning is caused during crystal formation when conditions of trace elements responsible for the stone color, change.Bi color Sapphires have two colors that are obvious to the naked eye and do not change under different lighting conditions. These gemstones can range from dramatic color zoning with two very different colors present in the stone, to slight color zoning which shows two very similar but slightly off colors present in the stone.


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