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LAPIDARY ARTS and FACETERS DIGEST
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Issue No. 291 - Monday, June 28, 2004
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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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VISIT OUR WEBSITE TODAY
http://www.gemcutters.org or
http://www.facetersdigest.org
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Hi all,

Surprise!

Here is TODAY'S List !

Thurmond

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Index to Today's Digest

01  NEW: Franton saw
02  RE: Polishing CZ
03  RE: Polishing CZ
04  RE: Polishing CZ
05  RE: Polishing CZ
06  RE: Gem Treatments - Opticon / Oiling - Vacuum
07  RE: Gem Treatments - Opticon / Oiling - Vacuum
08  RE: Gem Treatments - Opticon / Oiling - Vacuum
09  NEW: Looking for Good Rough for a Good Cause
10  NEW: olsen's omlets
11  NEW: FIPP show in Teofilo Otoni Brazil
12  RE: Backups (off topic but good advise)

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Message:01

Subject: Re: Issue No. 290 - Friday, June 25, 2004
Date: Fri, 25 Jun 2004 20:28:18 -0400
To: LapidaryArtsDigest <lapidary@caprock-spur.com>
From: Kreigh Tomaszewski <Kreigh@Tomaszewski.net>

LapidaryArtsDigest wrote:
> Message:01
>
> Subject: Franton saw
> Date: Fri, 18 Jun 2004 13:54:19 -0700
> To: lapidary@caprock-spur.com
> From: John & Shauna <ojaijns@direcway.com>
>
> Hope you can help.  I am in the process of restoring a
> Franton Model 10DVS saw, grinders, polisher.  Serial
> Number 6353.
> Do you know where I can find a picture or better yet a
> manual for it.  What year was it made?  Anyone have
> parts?
> Thanks, John Rupp
>

John,

Franton was acquired by Contempo, which was acquired by Diamond Pacific.
You can find this and other details of past lapidary manufacturers at
the very bottom of my lapidary page

http://Tomaszewski.net/Kreigh/Minerals/Homemade.shtml

And if anyone can contribute details not posted in my lapidary history,
please let me know.

Kreigh

__________________________________________________________
Message:02

Subject: Re: polishing cz
Date: Fri, 25 Jun 2004 20:30:47 EDT
To: lapidary@caprock-spur.com
From: Cutugem@aol.com

I have not cut cz for years but in the beginning my mentor had me purchase a
ceramic lap since that was the only lap that would easily and quickly polish
cz and beryls and it did and still does. I started cutting sapphires and have
had luck ever since using the ceramic with 50,000 diamond.Not being one to fix
something that isn't broken I have never tried polishing sapphires on my batt
with 50,000 so perhaps that would work also. I read Harv was polishing with
cerium and that I imagine was the problem. I did just recently attempt to cut a
stone for someone in cz and it was a miserable stone to say the least. It cut
quicker than I remember cz cutting and scratched like crazy on polish. I also
had a problem polishing the table because a corner of a 8mm round refused to
polish. It acted exactly like topaz cut on the axis. I finally in disgust
tweeked the angle  and polished the corner (looked like crap) and took the darn
thing off the dop and sent it on its way hopefully into the nether world. Has
there been introduced on the market perhaps a new species of cz that may be
manufactured differently from the cz of 10 years ago?  That is probably how long it
has been since I cut any and I don't remember it being difficult at all.
Dennis on the North Coast

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Message:03

Subject: CZ polishing.
Date: Fri, 25 Jun 2004 20:43:03 -0400
To: lapidary@caprock-spur.com (LapidaryArtsDigest)
From: "Jonathan L. Rolfe" <jon@gearloose.com>

>  Also tried cerium oxide charged Batt Lap.
>I do have a tin lap and some 1/2 micron diamond that I haven't tried.
>Nothing in my library seems to address this problem.
>Any opinions regarding whether my problem is due more to a flaw in the
>material or a flaw in the cutter? Suggestions?


Possibly that bad axis was close to a sawed surface?  Subsurface damage
from sawing may not show up till the polish stage.  CZ is usually supplied
with some cobbed and some sawed surfaces.
14,000 on BATT has been reccommended by lots of people for CZ...but myself,
I never have a problem with 50K on BATT with CZ....going from a GOOD 3K
prepolish.
Many times it is not the polishing step, but a step or two before it that
causes the problem.

__________________________________________________________
Message:04

Subject: Polishing CZ
Date: Sat, 26 Jun 2004 09:30:59 -0400
To: <faceters@caprock-spur.com>
From: "keith" <gemcuter@ezwv.com>

HI,
 I use a 1200 grit on my final cut and then use 100k diamond paste for
polishing on a batt or corian lap. You can use 50k for final polish I
just get better final polish with 100k diamond.

Keith Boggess

__________________________________________________________
Message:05

Subject: polishing cz
Date: Fri, 25 Jun 2004 19:59:51 -0400
To: faceters@caprock-spur.com
From: Denney Wilson <denney.wilson@att.net>

You really need to use diamond on either tin or BATT to polish cz.
 Cerium oxide is just  too soft to do the job in any reasonable amount
of time.  Try your 1/2 micron diamond, some diamond extender, and work
slowly.  There is quite a thread on this subject on the USFG list.  Good
luck.

Denney L. Wilson
Wilson Lapidary

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Message:06

Subject: (no subject)
Date: Fri, 25 Jun 2004 20:14:35 EDT
To: lapidary@caprock-spur.com
From: ACMEMINER2@aol.com

I've been wondering if anyone has tried one of these new food sealing
machines that produce a vacuum to assist in treating gems with fractures.
Either Opticon or Oiling.


    Hi Steve

       I would think any vacuum will help.  Opticon works pretty well if it's
warmed with the stone for a few hours.  A light bulb hanging just above will
do the trick as will a toaster oven, you don't want it too hot just warm
enough the opticon turns watery around 120 degrees.

  If you go to ebay and search vacuum pumps you will usually find all kinds
of them in just about any price range.

  I think a vacuum would be best for rough, thick pieces of whatever.  For
slabs and cabs I really don't think you need it.

  The other Steve

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Message:07

Subject: RE: VACUM PUMP
Date: Fri, 25 Jun 2004 23:05:38 -0400 (GMT-04:00)
To: lapidary@caprock-spur.com
From: Michael & Linda <lakeout@earthlink.net>

I purchased a vacum pump from Auto zone for about $30 that is
used to test vacum advance of cars. I plan on using it with a two
hole gas generating bottle.

__________________________________________________________
Message:08

Subject: Vacuum strength with Opticon application
Date: Sat, 26 Jun 2004 12:41:08 -0300
To: lapidary@caprock-spur.com
From: David Stanley Epstein <davids@cdlto.com.br>

   Dear Steven,
          In answer to  your question. After some experimation I found
ajusting desicators ( vacum cells) to 31-31.5  lbs. per sq. inch. seems
ideal  A cheap way I've seen used with mixed results here in Teofilo
Otoni is to put the Optican in a pressure cooker and use a low flame.
Not to precise (pressure not vacum) and sometimes breaks stones but it
works sometimes.
         David
--
David Stanley Epstein
Author: "The Gem Merchant
-How to be one, How to deal with one."
Website:www.gembuying.com

__________________________________________________________
Message:09

Subject: Looking for Good Rough for a Good Cause
Date: Sat, 26 Jun 2004 13:44:14 -0400
To: <faceters@caprock-spur.com>
From: "Clyde Gilbert" <clyde@emeraldrose.com>

Hi All-

I'm looking for some decent facet rough from Africa- primarily pastel
and color-change garnets, sapphire and spinel- for a new art project. If
anyone can help me find good rough at close to "mine-run" prices I'd be
most appreciative. I have contacted several licensed agents in Africa,
but they all sell in kilos and we just can't afford to do that as this
project is to help raise funds for three very worthy causes.

In my perfect world, I'd be able to buy in 10-20 gram lots with stones
ranging from 2-6 cts (larger for the garnets). I'm looking for eye-clean
stones or rough with "interesting" inclusions. These stones are destined
to be faceted and set as eyes in anthropomorphic precious art (sculpted
in exotic wood, stone, meteorite and other materials) designed by
Greenwood Studio, so uniformity in size is a big plus.20

A significant portion of all proceeds from profits (50%) will go in
three directions:20

The Bionic Priestess Project, a 501(c)3 Organization which is raising
funds for Jodi Monogue, a teacher and counselor in the Atlanta, GA area.
Jodi is suffering from liver failure and needs a transplant. Her
condition was diagnosed during a lapse in her insurance coverage and so
she must provide all the money for her transplant. The Bionic Priestess
Project must raise the money to cover the operation as well as provide
for medication for the rest of Jodi's life. Should Jodi not need the
transplant due to a miracle the money will be used to set up a
foundation to help others who need assistance of this type. For those
who wish to donate money to the Bionic Priestess Project, simply follow
the link.

The Heifer Project, an International hunger and poverty abatement
program which promotes agricultural, environmental, and economic
sustainability in developing nations worldwide. The Heifer Project has
led the way in fighting hunger, illiteracy and poverty for over sixty
years; this is a fantastic way to direct money where it is most needed
in the "third world". Again, for those who wish to donate money to The
Heifer Project simply follow the link.

The Mythic Imagination Institute, The Parent of Mythic Journeys, a
non-profit educational Conference with a grand mission: The Mythic
Imagination Institute seeks to enliven the human spirit, raise personal
and cultural consciousness, and increase cross-cultural tolerance by
working to promote mythic literacy in our modern world.20

I'll be beginning my purchasing in early August 2004- remember that half
the profits will be donated to non-profit organizations which actually
use the money to help people!


Thanks for the time and space-

Clyde Gilbert
Greenwood Studio

__________________________________________________________
Message:10

Subject: olsen's omlets
Date: Sun, 27 Jun 2004 17:25:29 EDT
To: lapidary@caprock-spur.com
From: JosephT828@aol.com

with the passing of Sumner Olsen's wife a couple of months back (Sumner
passed in 2000)  the web site that contains pics of his works has been changed by
his daughters so that they may still be available to see, included is a rough
set of guidelines for those who are inspired by his fabulous "eggs" and want to
try their hand at it. the new web site is at :
www.members.aol.com/olsenomlets/index.htm . check it out folks he did some
amazing work.
joe trusso, mountain
gemstones, woodstock ny

__________________________________________________________
Message:11

Subject: the FIPP show in Teofilo Otoni Brazil.
Date: Sat, 26 Jun 2004 10:01:24 -0700
To: <lapidary@caprock-spur.com>
From: "Tiffany Truong" <crystalvisioneyes@sbcglobal.net>

I am planning on taking a vacation trip to Brazil and was thinking about going
there when the FIPP gem fair is happening this August so see if I can stop by
the fair to buy some rough.  I have never been there.  Can you please tell me
if you know what the FIPP show in Teofilo Otoni has to offer for gem cutters?

Tiffany Truong

__________________________________________________________
Message:12

Subject: More on backup
Date: Fri, 25 Jun 2004 20:53:05 -0500
To: <lapidary@caprock-spur.com>
From: "Paul Newman" <Vet.Surgeon@verizon.net>

I have a great deal of experience with data loss from six veterinary
hospitals that were on a single server. Simple advice to all: backup and
backup often. I am amazed at how few computer vendors ever address this
issue and recommend backup devices or software. Windows XP Home does not
have backup utilities, but Professional does. I suggest simple software like
BackupMyPC or get a Maxtor external drive and it has it's own software.
Backup your entire hard drive about twice a year (more often if you do a lot
of software installations) and then backup only changed files since the last
full backup at least once a week. I have a program that saves files to a
backup every time I save a new file or change one. External hard drives are
the best way to do this. CD's simply do not hold enough information to back
up an entire drive.
Regarding your email, if you use Outlook, you can change your PST file's
location to My Documents and then just backup My Documents often and your
email will be included in your data backups.
Feel free to email directly if you have any questions about backups.....and
lastly....unless you are doing a "verify" of your backup you have not backed
up at all.

Paul Newman
Franklin, TN


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No flight ever leaves on time unless you are running
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If you are running late for a flight, it will depart from the
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If you arrive very early for a flight, it inevitably will be delayed.

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Only passengers seated in window seats ever have to get
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