The green color of emeralds is unparalleled in the gem kingdom. Its beautiful green, combined with its rarity, makes emerald one of the world's most valuable gemstones. Interestingly, its name comes from the Greek word smaragdos, meaning "green gem."
Colombian, Muzo Mine, Coscuez Mine, Chivor Mine, Brazilian, Pakistani, Russian, Zambian
Emerald |
May's Birthstone |
Major Sources |
Afghanistan, Brazil, China, Colombia, Pakistan, Russia, Zambia & Zimbabwe |
Colors Found |
Green |
Family |
Beryl: Be3Al2Si6O18 |
Hardness |
7.5 - 8 |
Refractive Index |
1.56 - 1.60; Uniaxial (-) |
Specific Gravity |
2.67 - 2.78 |
Crystal System |
Hexagonal |
©2011 America's Collectibles Network Inc. ♦ Gerald D. Sisk, JR. ♦ Guide to Gems & Jewelery ♦ Jewelry Television™