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LAPIDARY ARTS and FACETERS DIGEST
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Issue No. 239 - Monday, November 3, 2003
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Moderated by: Thurmond Moore III
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Committed to carrying on the fine works of
Hale Sweeny and Jerry Dewbre
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POST TO EITHER LINK BELOW:
lapidary@caprock-spur.com
faceters@caprock-spur.com
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http://www.gemcutters.org
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Index to Today's Digest

01  NEW: OPTICON
02  RE: OPTICON
03  RE: book on Faceting in Portuguese wanted
04  RE: Funnies (Doug Smith)
05  NEW: American Opal Society 36th Annual OPAL & GEM SHOW
06  NEW: Computer Spyware (off topic)

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Message:01

Subject: Re: Issue No. 238 - Friday, October 31, 2003
Date: Sat, 01 Nov 2003 19:01:01 -0300
To: LapidaryArtsDigest <lapidary@caprock-spur.com>
From: David Stanley <davids@mail.cdlto.com.br>

    Re: subject opticon
         Optican works best when it is thinned by heat. Ideally you
would want a heat source inside of a desicator which would create
suction once the opticon was brought to about 180 degrees F . The most
practical (but not as efficient) way to use it with faceted stones or
cabs, is to put the opticon in a small cup and put a 100 watt lamp over
the cup and leave it over night.

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Message:02

Subject: Re: OPTICON
Date: Sat, 01 Nov 2003 18:46:37 -0500
To: faceters@caprock-spur.com
From: "Douglas Turet" <anotherbrightidea@hotmail.com>
Cc: tmiller2.2@juno.com

Tom Miller wrote:
"I am using Opticon to seal fractures in gemstones.
So far i am not having too much success,
   I am using reccommended mixtures but it does not seem to seal the
fractures.
  Can anyone suggest a better approach?
      Sincerely,Tom Miller"


Hi Tom,

     There are two approaches to using Opticon, depending upon what you need
or want it to do. The first approach is to use the mixtures you've described
trying already, but that method is not used for sealing fractures; it's used
for sealing fractured stones into a block of Opticon (like those
scorpion-in-plastic paperweights you may have seen). The alternative route
is to use part A (the resin) alone, WITHOUT any hardener. This is
accomplished by either submerging the stone in the resin and then placing
both in an oven (where it'll stink up the entire house, but'll do the best
job), or simply heating the stone in the oven, then painting the resin
onto/into the fissures, then returning the stone to the oven and, finally,
letting the stone and oven cool down. (When this happens, the cooling will
create a vacuum and a natural contraction of the resin into the fissures
will take place. At that point, take a Q-tip (cotton swab) saturated with
the part B (hardener), "paint over" the resin-filled cracks and, after five
or ten minutes, wipe away the excess with a paper towel. Leave the stones or
slabs to cure under (about 6" beneath) a 60 watt bulb overnight. In the
morning, your pieces will be ready.
     By the way, I generally do this with my finished goods, when necessary;
not with roughs. My reason for this is that I want to exactly where my
problems are going to lie BEFORE I dop the stone, not while I'm addressing
the table or girdle. (In case you haven't already had the "pleasure" of
trying to cut and polish Emeralds or Amethysts that've been Opticoned in the
rough, let me assure you: it's far easier to deal with the "devil that you
know" than it is being surprised by the one that you don't, especially when
finishing tables and girdles. (Imagine trying to polish a girdle on a 2-ct
oval, only to have a large area break off of the stone, for example...)

Hope this helps!


Douglas Turet, GJ
Turet Design
P. O. Box 162
Arlington, MA 02476, U.S.A.
Tel. (617) 325-5328
Fax: (928) 222-0815
Email: anotherbrightidea@hotmail.com

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Message:03

Subject: Re: book on faceting in Portugese
Date: Sat, 01 Nov 2003 18:26:12 -0500
To: faceters@caprock-spur.com
From: "Douglas Turet" <anotherbrightidea@hotmail.com>
Cc: davids@mail.cdlto.com.br

David Stanley Epstein wrote:
"Re: book on faceting in Portugese
   Our buying offices and shop are in brazil's cutting center-Teofilo
Otoni. and has been for decades. I may have seen a pamflet but do not
remember seeing a book on faceting in Portugese. What I have seen was
about jamm pegging. Do you want me to try to track something down?"


Hi David,

     Just out of curiosity, have you seen anything written in English on
jam-pegging, down there (or elsewhere)? I've seen Gerry Wykoff's manuals, of
course, but what I'm seeking is something a bit more comprehensive, if such
exists. For that matter, are there established methods of teaching/training
the various techniques of jam pegging, or is that usually accomplished
through one-on-one study with a Master? Having cut numerous cabochons,
intarsia and carvings, and faceted on both modern and "tripod" machines, one
of the few challenges in lapidary I've never really tackled has been jam
pegging, and as such, it's always held a great deal of allure for me. If
there are any lessons, insights or shortcuts you could direct me towards,
I'd really appreciate leaning about them.

Many thanks and best regards,
Doug
P.S. - While I think of it, are you still doing those "negative faceting"
-type carvings you used to do, back in the 1980's? (I remember seeing some
of them back at either Tucson '88 or '94, when some of my carved and faceted
works were being exhibited at the AGTA and Holidome shows. Nice stuff!)


Douglas Turet, GJ
Turet Design
P. O. Box 162
Arlington, MA 02476, U.S.A.
Tel. (617) 325-5328
Fax: (928) 222-0815
Email: anotherbrightidea@hotmail.com

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Message:04

Subject: RE: Issue No. 238 - Friday, October 31, 2003
Date: Sat, 1 Nov 2003 16:04:10 -0500
To: "LapidaryArtsDigest" <lapidary@caprock-spur.com>
From: "Naomi Sarna" <nsarna@earthlink.net>

to doug smith: many thanks for some of the funniest quips I've ever read -
made me laugh out loud! Naomi in New York



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Message:05

The American Opal Society proudly presents its:

36th Annual OPAL & GEM SHOW

WHAT:
7 Dozens of Opal & Gem Dealers under One Roof!
7 Opal Jewelry, Loose Finished Opals, & Opal Rough
7 Other Gemstones, Jewelry, Minerals & Specimens, Books, Tools, etc.
7 Demonstrators on Making Cabochons, Faceting Gemstones, Wire-wrapping, etc.
7 Seminars on Opal Mining, Opal Cutting, Opal Identification, Opal Inlay, and Yowah Opal.
7 The Show is open to the public.

WHEN:
Saturday, 10am-6pm, November 8, 2003
Sunday, 10am-5pm, November 9, 2003

WHERE:
Clarion Hotel Anaheim Resort
616 Convention Way, Anaheim, California 92802, Phone 714-750-3131
1 Block South of Katella Ave. on Harbor Blvd. (Near Disneyland Convention Center)

ADMISSION:
Adults $3.50, Seniors $3.00, Students with I.D. $1.50, Children under 12 FREE
Two-day Admission $5.00
Bring a copy of this e-mail for $0.50 off any paid admission.
Seminars - $3 per session or $15 for all 6
Sunday Opal Show admission included with Purchase of all Opal Seminars

INFORMATION:
Contact Jay Carey, e-mail at jaycarey@gte.net or phone (714) 525-7635.
http://www.opalsociety.org
American Opal Society, Inc., P.O. Box 4875 Garden Grove, CA 92842-4875

__________________________________________________________
Message:06

Subject: NEW: Incredimail ?
Date: Sat, 01 Nov 2003 15:25:35 -0600
To: LapidaryArtsDigest <lapidary@caprock-spur.com>
From: Doug Smith <gembin@spiff.net>

Hi All,,

Have you heard of Incredimail? I just received an email from a guy
that's been using Incredimail for his emails. He says his friends are
telling him that it may be spy ware. It will allow the Incredimail
software to enter both the sender's and receiver's computer to snoop
around. They have told him they don't want to receive his emails when he
uses Incredimail. They say some of the Incredimails lock up their
computers and they must use CTL+ALT+DELETE to kill it. Do you know
anything about this?

Doug "Rhodolite" Smith
Alton, Illinois, USA (Where the goblins were put to rest last night)

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TODAY'S FUNNY ~

A horse breeder story
This Kentucky horse breeder had a filly that won every
race in which she was entered. But as she got older
she became very temperamental. He soon found that
when he raced her in the evening, she would win handily,
but when she raced during the day she would come in
dead last. He consulted the top veterinarians and horse
psychologists to no avail. He finally had to give up
because it had become a real night mare.


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TIDBITS AND REFLECTIONS~

In life, as in chess, forethought wins.
 
---Charles Buxton 1823-1871, British Author--- 


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