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Febr. 5-11,
2008 |
TUCSON
, AZ. (USA). AGTA GEM FAIR 2008. For
22th time, Ted and associates exhibited at Tucson Gem Fair and
met with old friends, colleagues and clients. He presented his
new book Gems & Mines of
Mogok and the new innovative gemological microscopes
portaLEDscope and
maxxiLEDsopes.
A limited number of beryllium-treated, lead and beryllium treated
and lanthanum chromate treated rubies
were for sale for educational purposes. He also attended the
AGA Gemological conference as a panelist on gem treatments;
he was the final nominee for the Bonanno Award for Gemological
Excellence. The award went to Jim Shingley. |
|
Febr. 2-7,
2008 |
TUCSON
, AZ. (USA). AGTA GEM FAIR 2007. For
21st time, Ted and associates exhibited at Tucson Gem Fair and
met with old friends, colleagues and clients. His books “Flux-Enhanced
Rubies & Sapphires”, Beryllium-Treated
Rubies & Sapphires , Mogok
- Valley of Rubies & Sapphires were available
for sale. A limited number of beryllium-treated and lead and
beryllium treated rubies were for sale for educational purposes.
He
also attended the AGA Gemological conference as a guest speaker
on the latest gem treatments; he was the final nominee for the
Bonanno Award for Gemological Excellence. The award went to
R. Drucker. |
 |
April,
15, 2006 |
INTERNATIONAL
GEMOLOGICAL FORUM BY www.yey.be
On-line
guest speaker for an international gemological forum covering
the areas of gemstone treatments and discussion of Ted's new
book Gems & Mines of Mogok.
Everybody with love in gemology is welcome. Moderator Mr.
Alain Van Acker |
|
Febr.
1-6, 2006
|
TUCSON
, AZ. (USA). AGTA GEM FAIR 2006. For
20th time, Ted and associates exhibited at Tucson Gem Fair and
met with old friends, colleagues and clients. His books “Flux-Enhanced
Rubies & Sapphires”, Beryllium-Treated
Rubies & Sapphires , Mogok
- Valley of Rubies & Sapphires were available
for sale. A limited number of beryllium-treated and lead-+beryllium
treated rubies were for sale for educational purposes. |
 |
Nov.
23 to
Dec.7,
2005
|
MOGOK,
MYANMAR (BURMA). Geological expedition and field trip collecting
gems & minerals from Mogok, Upper Burma. Dumortierite, rhodocrosite
and other gemstones were discovered at Mogok and will be presented
on Ted's forthcoming book Gems
& Mines of Mogok to be published soon. |
 |
May
29, 2005
|
MILAN
(ITALY). COLLEGIO ITALIANO GEMMOLOGI.
A highly important presentation with "hands-on"
practical session on the latest gem treatments was presented
by Ted at the Italian Gemmological Institute (IGI). Topics:
Glass-filled rubies, Update on Be-treated ruby-sapphire, geuda
heat-treatment. Also, an account on Mogok gems was presented.
Details: info@collegio-gemmologi.it
|
|
|
Febr.
3, 2005
|
TUCSON
, AZ. (USA). TED
THEMELIS SEMINAR. A seminar titled “An Update
on Gem Treatments & Enhancements” was given by Ted
at the Marriot University Park Hotel, Tucson, AZ 85719. Tickets
US$30. Details
|
|
Febr.
4-8, 2005
|
TUCSON
, AZ. (USA). AGTA GEM FAIR 2005. For
24th time, Ted and associates exhibited at Tucson Gem Fair
and met with old friends, colleagues and clients. His books
“Flux-Enhanced Rubies &
Sapphires”, Beryllium-Treated
Rubies & Sapphires , Mogok
- Valley of Rubies & Sapphires were available
for sale. A limited number of beryllium-treated rubies and
sapphires sets suitable for educational purposes were also
available for sale.
|
|
|
Sep.
19-23, 2004
|
HONG
KONG (CHINA). A special presentation of the LIBS method
for the detection of beryllium, lithium and boron was given
privately by Ted to a selected group of gem dealers at the
Hong-Kong Gem and Jewellry Fair.
|
|
|
Sep.
12-18, 2004
|
WUHAN
(CHINA). Ted presented his latest research work on Laser
Induce Breakdown Spectroscopy (LIBS) in Gemology to the
International Gemmological Conference (IGC)
|
|
|
March
29, 2004
|
PAILIN
(CAMBODIA). Ted, his son Angelo Themelis and Peter Grumitt
were one of the few foreigners who visited the ruby and sapphires
mines at Pailin in Cambodia. This is the stronghold of the
notorious Pol Pot (Brother Number One), leader of
the Khmer Rouge's cruel experiment on radical Maoism. A fascinating
-and quite dangerous- gem adventure trip where many new information
were obtained. Click here to
browse a photo gallery.
|
|
|
Feb.
27, 2004
|
BANGKOK
(THAILAND). CIBJO CONGRESS 2004. Ted presented his latest
research work on diffusion and related topics to the leaders
of the international gem & jewelry community at the CIBJO
Congress.
|
|
|
Feb.
27, 2004
|
BANGKOK
(THAILAND). LABORATORY MANUAL HARMONIZATION COMMITTEE (LMHC).
An
update on the latest developments and related research and
disclosure issues on beryllium-treated gems was presented
by Ted Themelis to the LMHC.
|
|
|
Feb.
4, 2004
|
TUCSON
,
AZ. (USA). ACCREDITED GEMOLOGISTS ASSOCIATION (AGA).
At the annual AGA Conference, Ted participated in the forum
titled “Bulk-diffusion Treatment of Corundum: An Update”
and expressed his views in the issue. He also presented his
new book “Flux-Enhanced Rubies
& Sapphires” which was available for sale.
|
|
|
Feb.
4-9, 2004
|
TUCSON
, AZ. (USA). AGTA GEM FAIR 2004. One more time,
Ted exhibited at Tucson Gem Fair and met with old friends,
colleagues and clients. Ted has been exhibiting at the Tucson
for 23 consecutive years. His new book “Flux-Enhanced
Rubies & Sapphires” which will be available for
sale along with his other three books Beryllium-Treated
Rubies & Sapphires , Mogok
- Valley of Rubies & Sapphires and The
Heat Treatment of Ruby & Sapphire. A limited
number of beryllium-treated rubies and sapphires suitable
for educational purposes were also available for sale.
|
|
Feb.
3, 2004
|
TUCSON,
AZ. (USA). LABORATORY MANUAL HARMONIZATION COMMITTEE (LMHC).
An
update on the latest developments and related research and
disclosure issues on beryllium-treated gems presented by Ted
Themelis to the LMHC.
|
|
|
Oct.
26, 2003
|
BANGKOK
(THAILAND). GEMMOLOGICAL ASSOCIATION OF HONG KONG. An
update on the latest developments and related research on
the beryllium-treated gems presented by Ted Themelis in Bangkok
to 18 members of the Hong-Kong Gemmological Association. This
day-long seminar in conjunction with "on hands"
workshop revealed updated methodology with emphasis in inclusion
characteristics and identification features observed in beryllium-treated
corundums produced at hislab.
|
|
Oct.
1 -20, 2003
|
MOGOK,
MYANMAR (BURMA). Another geological expedition and field
trip collecting gems & minerals from Mogok, Upper Burma.
More information on the geology of Mogok will be revealed
on the forthcoming book Gems
& Mines of Mogok.
|
 |
May
31, 2003
|
|
|
Apr.
6 -19, 2003
|
MYANMAR (BURMA). Geological expedition
and field trip collecting gems & minerals from Mogok,
Upper Burma. Much new information obtained on the rocks, genesis
of gems, and discovery of new gem species from Mogok. All
these new data is now included in Ted's new forthcoming book
Gems & Mines of Mogok.
|
|
Feb.
5-10, 2003
|
|
|
Feb.
5, 2003
|
TUCSON, AZ. (USA)ACCREDITED GEMOLOGISTS
ASSOCIATION (AGA). A powerful presentation was given by
Ted on the ongoing beryllium research experiments on rubies
and sapphires.
|
|
Dec.
4, 2002
|
NEW YORK CITY, NY. (USA). GIA/ALUMNI ASSOCIATION.
The latest developments on the ongoing research on the beryllium-treated
gems presented by Ted Themelis in New York City to the GIA/Alumni
titled "2002: A Gemological Odyssey". An
updated proposed classification system for treated gems presented
for the first time.
|
 |
Oct.
30 to
Nov. 1, 2002
|
KUALA LUMPUR, MALAYSIA.
Ted is getting involved in a corundum heat treatment project
performed at ultrahigh temperatures.
|
 |
Oct.1
-9, 2002
|
HANOI, YEN-BAI, LUC-YEN, QUY-CHAW, VIETNAM.
Scientific expedition to the gem mines at Luc-Yen, Quy-Chau
and elsewhere in Vietnam. Old and new gem mines surveyed and
documented. Ted gave a lengthy presentation on the latest
development in various heat treatment issues to local gemologists.
|
 |
Sept.
19, 2002
|
BANGKOK, THAILAND. GEMSTONE INDUSTRY &
LABORATORY CONFERENCE (GLIC). One more time Ted presented
his work to GLIC held in Bangkok his views and opinion on
the latest developments of the controversial "new"
treatment of ruby and fancy sapphires. A proposed disclosure
statement was presented. The successful treatment of Madagascan
rubies, Australian blue-green sapphires among other gems heat-treated
under the "new" process were announced.
|
 |
Sept.
16, 2002
|
SYDNEY, AUSTRALIA. AUSTRALIAN GEMMOLOGICAL
ASSOCIATION. Ted presented his latest
work on gem treatments to the Australian Gemmological Association.
The controversial issue of the heat-treated rubies & fancy
sapphires treated by the "new" method was discussed
and new information presented. New gem treatments practiced
in Myanmar (Burma) on scapolite, moonstone, danburite, ruby
and sapphire also presented. A gemmological brainstorm presentation!
|
 |
Sept.
14-15, 2002
|
AUCKLAND, NEW ZEALAND. GEMMOLOGICAL ASSOCIATION
OF NEW ZEALAND. A gemological educational program presented
to Gemmological Association of New Zealand hosting this major
national event. The controversial "new" treatment
of rubies & fancy sapphires was presented in full detail
during a 4-hour animated powerpoint presentation followed
by a 5-hour "hands-on" practical experience on treated
and untreated ruby & sapphires from various localities
gemmologist's bonanza.
|
|
Aug.
26 to
Sept. 2, 2002
|
BANGKOK, THAILAND. THAI GEM & JEWELRY
TRADERS ASSOCIATION. The controversial issue on the"new"
treatment of ruby & fancy sapphires was presented to Thai
Gem & Jewelry Traders Association (TGJTA) where Ted proposed
the disclosure wording "HEAT-TREATED (with catalyst)
TM" later revised to "HEAT-TREATED (with Be-additive)".
|
|
Jul.
29 to
Aug. 8, 2002
|
MYANMAR (BURMA). Geological expedition
to Upper Burma at Kyauk-se, Taung-ni, Kalewa, Mahu Hills and
elsewhere. In this field trip, agates from Mount Popa as well
as other gems & minerals from various localities were
collected and new data of geological interest was revealed,
now part of Ted' s collection.
|
 |
Jun.
20-21, 2002
|
VIENNA, AUSTRIA. GOSTERREICHISCHE GEMMOLOGISCHE
GESELLSCHAFT (GEMMOLOGICAL INSTITUTE OF AUSTRIA). An update
on the latest gem treatments was presented by Ted Themelis
at the Gemological Conference in Linz (Austria) hosted by
the Austrian Gemmological Institute. Emphasis was given to
new technologies on flux-treated rubies and on the latest
treating methods of " healing" fractures on yellow,
pink and orange sapphires using hydrothermal processes. The
latest news on the mad-pad sapphire treatment and the definition
of term diffusion, bulk diffusion, surface diffusion was discussed.
A powerful presentation.
|
 |
May
5-10, 2002
|
MOSCOW and other regions, RUSSIA. RUSSIAN
ACADEMY OF SCIENCE. Ted met with Russian scientists and
colleagues in brainstorm sessions where the latest gem treatments
and crystal growth techniques were presented and discussed.
Ted visited a number of Russian research laboratories in the
Moscow region specializing in crystal growth and experimental
mineralogy. An enlightening experience where limited information
on the new gem treatments would be presented in the near future.
|
 |
May
4-5, 2002
|
PERTH, SCOTLAND (UK). SCOTTISH BRANCH OF
THE GEMOLOGICAL ASSOCIATION. In this Seventh Annual Conference
(a major educational gemological event at Perth, Scotland,
Ted Themelis presented his latest gemological research work
on the new treatment method for yellow, golden-yellow, orange,
orange-pink sapphires and an update on Mogok, its people,
and its gems. Plenty of new information, were presented for
the first time. Also hands-on session using gemological microscopes
was taken place where 50 specimens treated by old and new
methods were examined and key features discussed in detail.
Firsthand experience, first-class presentation.
|
 |
Apr.
4-11, 2002
|
BASEL, SWITZERLAND. BASEL, SWITZERLAND.
Ted met leaders of the gem & jewelry industry and discussed
the latest developments of the orange sapphire and related
issues. His new book Mogok -
Valley of Rubies & Sapphires was displayed at the
SSEF booth and autographed copies were sold over the counter.
|
 |
Mar.
21-25, 2002
|
MUNICH, GERMANY. CIBJO CONGRESS 2002.
Ted presented his latest gemological research lab work on
the new treatment of yellow, pink, orange sapphires from Thailand.
New light shed and suggestions were made by Ted to a fully
packed ballroom attended by over 100 industry representatives
of major laboratories (GIA, AGTA/GTL, SSEF, Gubelin, GTLGB
(UK), GIT (Thailand), CISGEM (Italy), LFG (France), ICA, World
Gold Council, Jewelers of America, Jewellers Vigilance Committee
(JVC), Diamond Trading Company, Hong Kong Jewelry Manufacturer's
Association, etc., as well as delegates from over 30 countries.
Read the upcoming stories in the leading international magazines...
A truly world-class event!
|
|
Feb.
27, 2002
|
BANGKOK,
THAILAND. TG&JTA MEETING. Ted participated at the meeting
hosted by the Thai Gem & Jewelry Traders Association (TGJTA).
His views on the hot topic of the diffusion-treated padparadscha
sapphires was privately discussed with major gem treaters of
Chantaburi (Thailand) and representatives of major gem laboratories.
|
|
Feb.
3, 2002
|
TUCSON, AZ. ACCREDITED GEMOLOGISTS ASSOCIATION
(AGA). At the annual AGA Conference, Ted provided an early
gemological report and made a powerful "wake-up call"
presentation on the new treatment method of the orange padparadscha
sapphire. First-hands experience directly from Ted's lab in
Bangkok
|
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