The World's Most Useful
Gem & Jewelry Monthly Newsletter
Written by Carolyn Doyle for customers of
The Dorado Company
and other visitors to the azgem.com website who subscribe.
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Usable Gems... and a little opinion.
- Australian Diamonds
Gem origins are of interest to many gem
fanciers. This is another in our occasional series highlighting gem
producing countries and regions.
This month it's back to Australia, a major
player in the diamond industry, as well as the colored stone trade.
Within the last twenty years Australia
has become a major source for diamonds. This came about as the Argyle Mine
was discovered, developed, and brought into commercial production.
Have you noticed how colored diamonds
are now being promoted? The Argyle is well known for
yielding natural colored diamonds.
In addition to whites, the most (and
best) pink diamonds are mined here, along with pleasing variations of yellows and
browns (cognac, champagne).
Most Argyle diamonds fluoresce blue
under ultra-violet light. This comes in handy when separating the
gems from the ore.
The Argyle mine is the largest producer
of diamonds in the world. As with most diamond mines, the source is a
A kimberlite pipe is the core of
an ancient volcano. Think of it as the volcano's plugged-up plumbing.
The chemical mixture present in the
active volcano, along with heat and
pressure, created the conditions needed for diamonds to crystallize in the pipe as the volcano
Over eons the volcano eroded away until the volcano
scattering diamonds, rock, and gravel down the slopes .
However, the rest of the volcano's core was still there at, or just below
Diamond mines are often discovered by
prospecting washes upstream until the kimberlite pipe is located. This
technique led to the discovery of the Argyle deposit in northern Western
Australia, some miles southeast of Derby.
Most of Australia's commercial diamond
mines are in the states of Western Australia and Northern Territory, but
other diamond prospects are
being pursued in several location throughout Australia.
One of the largest diamonds ever discovered was
recently unearthed in Siberia.
Lemon yellow, internally flawless, and 301 carats,
it sounds like an incredible stone. It was mined by Alrosa, the Russian
Now is the time to build your inventory for the coming
You should be buying...
- finished jewelry pieces
- loose gems
- gold chain
You can buy some finished pieces from us or one of the
other suppliers listed in your dealer information.
You know how to buy a loose gem from us and a compatible
mounting from a listed manufacturer and have your trade shop set the gem to make
a custom piece.
You should also have a few gold chains in stock. Look in
your dealer info for a supplier... or check with me. Send an e-mail to firstname.lastname@example.org.
P.S. If you want to build a
profitable website, I recommend SBI! http://buildit.sitesell.com/az.html.
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AZGem.com is the Web presence of:
The Dorado Company
P.O. Box 8232
Scottsdale, AZ 85252-8232