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Change of Color

Natural Color Change Sapphire Ring Under Natural Daylight.
Natural Color Change Sapphire Ring Under Natural Daylight.
Natural Color Change Sapphire Ring Under Incandescent Light.
Natural Color Change Sapphire Ring Under Incandescent Light.

A phenomenon of some colored gemstones in which the gem material appears a different color in incandescent light than in daylight or fluorescent light.

As an example: the sapphire in these images appears blue to us in daylight and purple in incandescent light. Daylight contains a larger portion of blue & violet light compared to incandescent light which contains a larger portion of red light. This difference in intensity causes our eyes and brain to register a different color.

Natural Color Change Sapphire Ring Under Natural Daylight.
Natural Color Change Sapphire Ring Under Natural Daylight.
Natural Color Change Sapphire Ring Under Incandescent Light.
Natural Color Change Sapphire Ring Under Incandescent Light.
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