Glittering Stones >> Precious
Stones >> Emerald
Precious Stone Emerald
Emerald is a green variety of the mineral beryl. Other
gemstone color variety that normally belongs to beryl
includes aquamarine, Morganite, and
heliodor. Other colors of beryl are simply referred as to by their color,
such as red beryl.
The wonderful green color of emerald
is unparalleled in the gem history. Emerald's precious
green color is caused by its small amounts of chromium and enhanced by
traces of iron. Unlike other beryl’s, emeralds are
often contain inclusions and other flaws. These flaws are not looked on
as negative aspects for emerald like that they would be for other gemstones.
Indeed, these flaws are considered as part of its character of the stone
and are used to assure the purchaser of a natural stone.
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Historical Facts of Emerald
| Refractive Index |
1.577(+-.016), 1.583 (+-.017) |
| Chemical Composition |
Be3Al2(SiO3)6 |
| Crystal Group |
Hexagonal |
| Hardness |
7.5-8 |
| Density |
2.72 (-.05, +.12) |
| Sign of the Zodiac |
Taurus |
| Month of the year |
May |
| Color information |
Blue, Green Blue |
| Occurence |
Brazil, Pakistan,Russia, East Africa, India, Madagascar, Columbia |
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Precious Emerald Jewelry
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