Chapter 5. The Alexandrite effect
Phenomenon of the alexandrite effect
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Fig. 13.: Incandescent lighting contains a higher balance of red light and alexandrite appears red to the human eye.
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Fig. 14.: Alexandrite effect phenomenon of an observed color change from greenish to reddish with a change in source illumination.
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Fig. 15.: Daylight contains high proportions of blue and green light and the stone appears green to the human eye.
