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Alexandrite

Tsarstone collectors guide

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Color change garnet vs Alexandrite
Color change garnets are notable for their color change throughout the day as a function of their sensitivity to the different color temperatures
http://www.alexandrite.net/viewpage.html?id=FRM-341-00002
The Purkinje Effect
Color change in the Tavernier diamond could be actually the Purkinje effect
http://www.alexandrite.net/viewpage.html?id=FRM-323-00003
Alexandrite Garnet
Color change Garnet is a mix of spessartite and pyrope garnet from Africa
http://www.alexandrite.net/viewpage.html?id=FRM-341-00001
Are there any other gemstones which change color?
How do alexandrite and color change garnet differ in appearance?
http://www.alexandrite.net/viewpage.html?id=FRM-341
Chrysoberyl rough weighing over 2984.9 ct was valued at 175.000 USD
Natural alexandrite rough weighing over 2984.9 ct (597 gr) was found at the Malyshevskoye deposit's (Russia) in 2000 and was valued at 150.000 USD as as the opening bid.
http://www.alexandrite.net/viewpage.html?id=FRM-340-00002
A very large Alexandrite
Large chrysberyl
http://www.alexandrite.net/viewpage.html?id=FRM-340-00001
A very large Alexandrite
Huge 3,800 carat chrysoberyl rough
http://www.alexandrite.net/viewpage.html?id=FRM-340
Alexandrite mining in Ilakaka
The government recently moved the gemstone buying area a few kilometers out of Ilakaka.
http://www.alexandrite.net/viewpage.html?id=FRM-170-00001
The Alexandrite Effect
Discussion about the alexandrite effect as a non-color-constancy phenomenon from the color theory perspective
http://www.alexandrite.net/viewpage.html?id=FRM-323-00002
What is the june gemstone?
What is the june gemstone - alexandrite, pearl or moonstone?
http://www.alexandrite.net/viewpage.html?id=FRM-337
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