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Alexandrite

Tsarstone collectors guide

alexandrite crystal structure

1. Alexandrite Frequently Asked Questions
Answers to frequently asked questions about alexandrite gemstone identification and value.
HTML, 46 Kb, 2008-07-20 12:02:11
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2. Alexandrite Synthetics and Imitations
Guide to synthetic alexandrite production, alexandrite imitations and the differences between natural and synthetic alexandrite
HTML, 60 Kb, 2008-07-20 13:01:43
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3. Glossary of Terms for Alexandrite Gemstone Buyer and Collector's Guide
Glossary of terms that have been discussed or mentioned at Alexandrite gemstone buyer and collectors guide
HTML, 38 Kb, 2008-07-20 13:02:49
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4. Why does alexandrite appear to change color in sunlight and artificial light?
Alexandrite is a trichroic gemstone which absorbs and reflects light differently in each of its three optical directions. Spectroscopic analysis reveals a different absorption spectrum for each of the three optical directions. The differences in absorptio
HTML, 26 Kb, 2008-07-29 08:10:46
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