"Beauty, durability and rarity; such are the three cardinal virtues of a perfect gemstone. Stones lacking any of them cannot aspire to high place in the ranks of the precious stones."G.F. Herbert Smith (1872 - 1953)
By variety | By origin | By phenomena | By enhancement |
---|---|---|---|
Alexandrite (Chrysoberyl) Chrysoberyl (Chrysoberyl) Cymophane (Chrysoberyl) |
Andhra Pradesh (Asia) Balangoda (Sri Lanka) Deobhog area (India) Horana (Sri Lanka) Ilakaka (Madagascar) Tunduru (Tanzania) |
Adularescence Cat's eye (Chatoyancy) Change of color (Alexandrite effect) Chatoyancy Pleochroism |
Faceted Traditional (Cabochon) |