Alexandrite gemstone buyer and jewelry collector guide holds information on history, lore, value and properties of the chrysoberyl varieties, including alexandrite and cymophane gemstones.
Alexandrite gemstone buyer and jewelry collector guide is a comprehensive encyclopedia with articles, guides, glossary and bibliography covering all the major branches of alexandrite gemstone and jewelry knowledge.
Several other well known gemstones, including diaspore, sapphire, garnet and spinel may also change color as a function of the light source but the color change of top alexandrites is distinctive and attractive under any light conditions.