Discussion

The Alexandrite Effect

1. The Alexandrite Effect  /by  Karl K  at Mar 27 2009,1:03 PM/
Discussion about the alexandrite effect as a non-color-constancy phenomenon from the color theory perspective
2. Alexandrite Effect vs Usambara Effect  /by  Marisa Spano  at Mar 28 2009,7:03 AM/
Alexandrite Effect vs Usambara Effect in color change gemstones
3. The Alexandrite Effect  /by  Gustav  at Apr 2 2009,5:04 PM/
Discussion about the alexandrite effect as a non-color-constancy phenomenon from the color theory perspective
4. The Purkinje Effect  /by  Michael Vanevski  at Apr 4 2009,4:04 PM/
Color change in the Tavernier diamond could be actually the Purkinje effect
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