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LAPIDARY ARTS and FACETERS DIGEST
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Issue No. 224 - Friday, October 10, 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,

Another week is past. Have a great weekend and if
anyone wanted some of the blue telephone insulator
glass that I mentioned yesterday please contact me
off list at redmud@caprock-spur.com .

Thurmond

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Index to Today's Digest

01  RE: What is a gemstone?
02  RE: Hiddenite HELP!!
03  RE: how to polish moissanite
04  RE: Hiddenite HELP!!
05  RE: how to polish moissanite
06  Re: Valuing custom cutting
07  Re: What is a Gemstone?
08  RE: electricinsulaterite

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Message:01

Subject: A gemstone is........
Date: Thu, 9 Oct 2003 20:12:02 -0400
To: <faceters@caprock-spur.com>
From: "Bill Zoppi" <wjzoppi@bmts.com>

Hi all.
       What is a gemstone? In my humble opinion it can be whatever
pleases a person, be it rough, cut or cabbed and polished, pretty,
fascinating, desirable to the individual or a combination of those and
many more - much like a painting, if you like it you look at it, hang it
up in your favorite spot and enjoy it. Value is a different matter and
the two are not necessarily connected. Rarity, origin, who cut it and
how well as well as the above factors will determine the value, but to
me, if it makes me happy " it's a gem of a stone."

Bill from Kincardine........ where summer is back with us for another
week or two, we hope!

__________________________________________________________
Message:02

Subject: Hiddenite/Kunzite/Spodumene
Date: Thu, 09 Oct 2003 20:20:56 -0400
To: lapidary@caprock-spur.com (LapidaryArtsDigest)
From: "Jonathan L. Rolfe" <jon@gearloose.com>

At 05:36 PM 10/9/2003 -0500, you wrote:
>polishing Kunzite.  Evidently both are problematic materials to work
>with, having uneven cleavage planes and being prone to splintering,
>fracturing, and chipping at the slightest pressures on these planes.
>             Good luck, you're a far bolder person than I am to try
>something as fractious (pun intended) as Spodumene.

I used to think that way about it, but it has turned out to be pretty easy,
though I was nervous on the first piece.

1: NEW, SHARP #600 plated lap..The Lopaki ones are so cheap, there's no
point in doing without.  Dull laps only appear to give fine
finishes.  Blunt diamonds stress that material too much.  Dull, worn laps
are a cabber's trick.  Throw them away..Or stay away from the spodumenes
and rhodochrosite, etc.

2: 3,000 on copper, and use enough water to keep the swarf off the
lap.  CUT the actual facets on the copper.

3: Polish 50K on youknowwhat.
http://www.battlap.info/redstones.html

Why cut the spodumenes?  Because though the optical properties, by the
numbers do not appear dazzling like zircon, there is something strange
about the fibrous nature of the crystal that gives distinctive, almost
eerie brilliance to the stones.  There's nothing exactly like it that I
have seen..Plus it cuts fast,* and is really easy to polish.
* Fast enough to generate swarf quickly enough to foul the lap.

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Message:03

Subject: Re: Issue No. 223 - Thursday, October 9, 2003
Date: Thu, 9 Oct 2003 23:06:35 EDT
To: lapidary@caprock-spur.com
From: Clabe@aol.com

In a message dated 10/9/2003 6:36:48 PM Eastern Daylight Time,
lapidary@caprock-spur.com writes:
i do not like moissanite for they are a not very clear market but i would
like to know how to polish them
thank you


Moissies polish well on ceramic with 50K diamond

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Message:04

Subject: Re: Issue No. 223 - Thursday, October 9, 2003
Date: Fri, 10 Oct 2003 00:34:25 EDT
To: lapidary@caprock-spur.com
From: Rocksinhed@aol.com

Thanks Todd

 I really needed a laugh after some of the things I found out about cutting
this material .... I highly recommend reading Jeff Grams link below, even if
you will never cut spodumene .... also Thank you Jeff for always being there
when we need you ..... Even if I will be putting a hole in my wall

http://www.faceters.com/askjeff/answer3.shtml
__________________________________________________________
Message:05

Subject: Re: how to polish moissanite
Date: Fri, 10 Oct 2003 01:01:15 -0700
To: lapidary@caprock-spur.com (LapidaryArtsDigest)
From: Tony <lightbender@thegemdoctor.com>

Hello Bruno,

I have just this week repaired yet another SiC that was passed on
to me by one of our local diamond cutters. This princess cut was
chipped by the setter and needed a full crown to remove it and
return symmetry. This is the first 'Moissanite' that I have
polished with my new BATT lap and the results were quite
remarkable. I have repolished several SiC's using my standard
sapphire routine, 600 - 8,000 in oil prepolish - 50,000 in oil
on zinc polish - Linde A on tin (if customer wants to pay
extra).

I have been attempting a little stunt polishing with my BATT and
I won't go into details but I have to admit I did transgress all
of Jon's instructions and have certainly voided my warranty but
have had surprising results. This 6mm crown was recut and
polished in 15 minutes. I achieved an instant polish from 600. I
can also now polish sapphire from 600 but it takes a little
longer up to 3 seconds per facet. I have no idea what would
polish with 50k on copper but my experience has shown it to be
useless on any stone I tried although I have not attempted  it
again in the last 20 years.

I must confess my BATT is consuming some 6-7 times the amount of
diamond and Linde I am used to but it seems to be paying for
itself over and over with the dramatic time savings. I doubt
whether the consumption would be anywhere near as high as this
if I followed Jon's directions but I'd rather do it my way.


Tony,
In Vancouver where the rain has finally returned.

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Message:06

Subject: Re: Valuing custom cutting
Date: Fri, 10 Oct 2003 01:22:23 -0700
To: lapidary@caprock-spur.com (LapidaryArtsDigest)
From: Tony <lightbender@thegemdoctor.com>

Hello Robert,

> I intend to take the " Master Valuer Program " class as soon
> as finances permitting .

I guess I'm a little confused. I understand the usefulness of an
appraisal course if you intend to appraise other peoples stuff
but this information is worse than useless for custom cutting
even more so if the cutter's name and contact information is
known. Anyone with the temerity to tell me how much my time is
worth on signed goods will be shown the door with my foot. I can
not understand why any competent cutter who can sign a
certificate of origin cares what the great unwashed considers a
fair price nor why they would want to compete for their
patronage. 'Casting pearls before swine' has never been a
successful marketing model.

Tony.


__________________________________________________________
Message:07

Subject: Re: What is a Gemstone?
Date: Fri, 10 Oct 2003 01:27:58 -0700
To: lapidary@caprock-spur.com (LapidaryArtsDigest)
From: Tony <lightbender@thegemdoctor.com>

My favourite definition, if you can pick it up and say "This is a
thing of beauty and a joy to behold" you have a gem.

Tony

__________________________________________________________
Message:08

Subject: Re: Issue No. 223 - Thursday, October 9, 2003
Date: Fri, 10 Oct 2003 12:05:20 -0500
To: "LapidaryArtsDigest" <lapidary@caprock-spur.com>
From: "Ken Kipnis" <kkipnis@knology.net>

Hi Thurmond:

Hey can get in on that offer of electricinsulite?
I'd seen a lot of it cut but haven't been able to obtain same.
Thanks

Ken Kipnis

_______

No problem Ken and anyone else on the list, Just send me your address
so I can mail it out. All I ask in return is a piece of rough anything that
you want to part with. (Aquarium gravel is acceptable as well. LOL)

Thurmond
===================================
MESSAGES FORWARDED FROM HALE SWEENY

Hale receives questions from time to time and I have agreed to
handle them via the list. If any member can help any of these
folks please respond to them directly as they are not yet members.
Remember to copy the list for the information archives.

Thx. Thurmond
_________________________________

From: T. Trimm" ttrimm@dragonbbs.com
  Sent: Thursday, October 09, 2003 7:27 PM
  Subject: Message from Website


  I am looking for information on how to do lapidary the old way.
  Without the modern day tools.
  If you could point me in the right direction I would appreciate it.
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 A carpet layer had just finished installing carpet for a lady. He stepped out for a
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In the middle of the room, under the carpet, was a bump.

''No sense pulling up the entire floor for one pack of smokes,'' he said to himself.
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