Emeralds, one of the world's most beautiful yet misunderstood gems, is one of only five precious stones. Learn more about green fire in this presentation featuring emeralds of Colombia - the world's best.
3. Emeralds are actually a variety of the mineral
beryl (Be3Al2(SiO3)6) colored green by small
amounts of chromium or vanadium
4. Emeralds are produced
in more than 30 countries
including:
Brazil , Colombia,
Afghanistan, Australia,
Bulgaria, Cambodia, Canada,
China, Egypt,
Ethiopia, France, Germany,
India, Italy, Kazakhstan,
Madagascar, Mozambique,
Namibia, Nigeria, Norway,
Pakistan, Russia, Somalia,
South Africa, Spain,
Switzerland, Tanzania, United
States, Zambia, and
Zimbabwe
5. Colombia is the world's largest producer of
emeralds, providing for more than 50% of the
world’s production
6. The three principal emerald mining areas
in Colombia are Muzo, Coscuez, and Chivor
7. Although the traditional rectangular cut is most
common, emeralds can be cut into a variety of
other shapes
8. Rare “trapiche” emeralds are found only in
Colombia and are distinguished by a six-pointed
radial pattern of dark carbon impurity spokes
radiating from the gem’s center
9. In the United States, emeralds have been
discovered in the states of North and South
Carolina, Nevada, Montana and Connecticut.
Emeralds were first discovered in the Yukon
in 1997.
10. By definition, true emeralds are green
The name comes from the Greek word
"smaragdus", meaning green
11.
12. Emeralds are graded using
four basic parameters:
Color,
Cut,
Clarity and
Crystal.
Crystal, is a synonym
for transparency,
which is also called
diaphaneity.
16. Read more on Emeralds here
SOCIAL MEDIA
Blog: http://bettereflteacher.blogspot.com/
Facebook:
http://www.facebook.com/larry.m.lynch.3/
LinkedIn: co.linkedin.com/pub/larry-mlynch/7a/661/261/
YouTube:
http://au.youtube.com/user/lynchlarrym
Pinterest: http://pinterest.com/lynchlarrym/
Prof. Larry M. Lynch
proflmlynch@gmail.com