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LAPIDARY ARTS and FACETERS DIGEST
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Issue No. 185 - Tuesday August 12, 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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VISIT OUR WEBSITE TODAY
http://www.gemcutters.org
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Hi all,

Effective immediately: For commercial entities
that sell rough, equipment, etc., You must post 5
informative post for each AD posted to this digest.
If the ratio drops below that level your AD will NOT
be posted in the daily digest. This does not affect
any members that have personal items to sell. I like to
see items for sale but this forum is NOT a sales vessel
for commercial entities. It is a forum for learning and helping
others in lapidary. If you have items for sale then post them but
make sure you are a contributor of informative post as well.

Thurmond

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Index to Today's Digest

01  NEW: Tumbling Rutilated Quartz
02  NEW: Synthetic Sapphire Pear.
03  NEW: Golden Jubilee  facet pattern information
04  FS: GREEN TOURMALINE

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Message:01

Subject: RE: Issue No. 184 - Monday August 11, 2003
Date: Mon, 11 Aug 2003 23:05:35 -0400
To: "LapidaryArtsDigest" <lapidary@caprock-spur.com>
From: "Naomi Sarna" <nsarna@earthlink.net>

Hello and a very merry summer to all! I'm fiddling with rutilated quartz and
rose quartz nuggets, tumbling in my new vibratory tumbler.  However, my
tumbling experience is limited; I wonder when you go off the coarse to the
medium, etc.  My nuggets have very fine pits and I wonder if they have to be
completely smooth to go down a grit, or does the finer qrit take care of it?
The pits do not seem to be from the rutile.  Thanks, Naomi in New York

_______

Hi Naomi, Two things come to mind. Tumble longer with coarse grit till the pits
are removed and / or the tumbling action is too rough and causing pitting. Finer
grits are to remove the scratches from the coarser grits and should not be depended
on to significantly alter the shape or larger texture features of a tumbled stone.

Thurmond
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Message:02

Subject: Synthetic Sapphire Pear..
Date: Mon, 11 Aug 2003 22:43:56 -0600
To: <faceters@caprock-spur.com>
From: "Todd" <td_gunz@yahoo.com>

Hi all,
            I hadn't been faceting much as I'm struggling with high pain
levels from my failed spinal fusion surgery.  I can't sit for more than
about 45 minutes or an hour, and that's in the good chair I bought to
sit at the faceting machine! 
            I had a friend call me and ask if I'd cut a stone for his
girlfriend's daughter.  She just inherited a beautiful Sapphire and
Diamond pendant/earring set from a grandmother who'd passed away.  He
wanted me to cut a ring sized stone for her out of synthetic sapphire.
She's only 14 and that way if she lost it, he wouldn't be out too much
at all, mostly just the price of the setting.
            The pendant/earring set has pear shaped stones in it, and I
tried to talk him out of a pear shaped stone for a ring.  I've had pears
catch clothing and such in a solitaire setting. 
            We finally agreed on a modified pear shape of one of Jeff
Graham's designs.  Quite a few of his pear shapes are modified rounds
and they don't have as pronounced a drop as a 'normal' pear.
            It was the first stone I'd cut in a while, and the first I'd
ever worked with synthetic corundum.  It seemed like some of the facets
cut easier than others, like the material had a defined 'grain' to it.
That was something I didn't expect in a synthetic material.  I also got
what I can only call an "orange peel" on several of the facets, tiny
'ripples' or 'wrinkles'.  The first time it happened, in order to polish
it out, I had to over cut the facet.  Then I had to go and re-cut/polish
the entire tier over again.  As the stone was so little (for me anyway)
I just polished the facets after every tier was cut.  I'd angle the
quill a tiny bit with a mast adjustment to polish only the bottom half
or so of the facet face.  I didn't want to polish something which would
be cut off on the next tier of facets.
            Overall, it came out well, although I've yet to cut a stone
I'm completely proud of and I've cut well over 100 stones so far, I
think.  Every stone has this or that which I know, doing it again, I
could have done better.  Is that how it is for everyone, or does one
finally reach a proficiency level where they come out great every time??
If so, I'll never get there in this lifetime, hehee..
            The stone came out at 1.5 carats and finished close to 8mm X
6.5mm.  It should fit into a round 6.5mm setting if I can find a 4 prong
one.  I want the drop to point a specific way and a 6 prong setting
won't let me do it.  
            I don't know if there's a way to post the 2 pics of the
stone for the digest or not.  I have no website to do it.  I've included
them and if Thurmond can post them somewhere I'd like you all to see it.

            I've learned so much reading this digest, getting answers to
questions, and learning about the lapidary arts.  This is a great
resource, especially for a novice cutter, and I appreciate the work
Thurmond does to post it.
           
Take care all, thanx Thurmond,
 
todd    

_______

Hi Todd,  The software used for collecting the post for the list does not allow pictures
or attachments due to virus issues. PICS have to be sent seperately to the list owner
address so I can upload them to the web page and post a link in the digest.
The address for pictures is owner-lapidary@caprock-spur.com .

Thurmond

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Message:03

From: "Greg Thompson" <gthompson@mail.utexas.edu>
Subject: Request for:   Golden Jubilee  facet pattern information

Thurmond,

would you be so kind as to ask your readers if anyone, especially in the
Omaha area, in May of 1996,  saw the Golden Jubilee diamond on display .

Specifically, we are looking for a better idea of the facet pattern so that
we might include it's pattern (GEMCADed) in the next edition of our famous
diamond replicas book.

We have a pretty good outline shape, from a GIA? photo (Gems and Gemology)

One or two crown? facets highlighted in a photo of Gabi Tolkowsky
inspecting the stone.   A news story photo.

Another photo may show a chisel like culet ? and one big pavilion main?
That is actually the photo shown in the following link.

 http://www.cnn.com/US/9605/02/newsbriefs


__________________________________________________________
Message:04

Subject: GREEN TOURMALINE BLOWOUT!
Date: Tue, 12 Aug 2003 08:53:07 -0700
To: <faceters@caprock-spur.com>
From: "b-daw" <b-daw@pacbell.net>

greetings gang!
i have to be proud of myself right now.  i just finished up a 6.35ct san
carlos peridot.  a good friend of mine sent me the rough in a trade
deal.  the diagram came from another friend in tenessee, a nice round
called "spinner".
anyhow, wanted to let you all know i am blowing out green tourmalines at
$5/g right now.  give or take they are all around 1g/each.
get yours while they last, first come first served!
take care everybody,
patty
so cal

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TODAY'S FUNNY ~

It was a particularly tough football game, and nerves were on edge.
The home team had been the victim of three or four close calls, and
they were now trailing the visitors by a touchdown and a field goal.
When the official called yet another close one in the visitors' favor,
the home quarterback blew his top.

 "How many times can you do this to us in a single game?" he screamed.
"You were wrong on the out-of-bounds call, you were wrong on that last
holding call, and you failed to say anything about a late hit in the
first quarter."

The official just stared.  The quarterback seethed, but he tried to
suppress language that might get him tossed out of the game.  "What it
comes down to," he bellowed, "is that YOU STINK!"

The official stared a few more seconds.  Then he bent down, picked up
the ball, paced off 15 yards, and put the ball down. He turned to face
the steaming quarterback.  "And how do I smell from here?" he asked.

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REFLECTIONS AND TIDBITS:

"If everything seems under control, you're just not going fast enough."

---Mario Andretti---

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LAPIDARY ARTS and FACETERS DIGEST
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owner-lapidary@caprock-spur.com

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