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LAPIDARY ARTS and FACETERS DIGEST
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Issue No. 83 - Tuesday March 11, 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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From the Moderator:  The post today cover more
different topics than usual. Tomorrows digest
should be very interesting due to this fact.

I would also like to add a weekly topical item
that would be intended to focus on one area
for that week. If you have a topic (or list of topics)
that you would like to see in the "weekly spotlight"
please send them to owner-lapidary@caprock-spur.com

On another note:  I live in Texas and have cut a "Lone Star"
cut from quartz. I see dealers in this area and state wide
marketing a "Texas Star" cut. As a matter of fact the Texas
Parks and Wildlife catalog has carried such stones. My question
is this, Are the Lone Star and the Texas Star the same cut?
The "Lone Star" cutting diagram is specified by Official Texas
Government documents. The "Texas Star" cuts I have seen (for sale)
(even at my clubs annual show) use 5 facets to define the Star (5 points)
and sometimes frost the star facets or outline the star facets with
a frosted area..
The "Official Lone Star" cut uses 10 facets to define the Star (5 points).
The Offical Lone Star cut if I understand it correctly was cut at angles
intended to dump most light out the back of the stone. The "Star"
angles were designed to reflect back almost 100 percent of the light
they intercept thus giving the appearance of a Silver mirrored star
floating in the gem. Is this correct?

Thurmond
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Index to Today's Digest

01  RE: Tumblers
02  NEW: Doping Question
03  NEW: Tin Oxide
04  RE: filtering saw oil (was:Disposing of Cerium oxide, etc.)
05  NEW: Off the Dop
06  NEW: Refractometer cleaning

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Message:01

Subject: Tumblers
Date: Mon, 10 Mar 2003 15:35:19 -0500
To: lapidary@caprock-spur.com, nsarna@earthlink.net
From: "Douglas Turet" <anotherbrightidea@hotmail.com>

Hi Naomi,


     As a fellow subscriber of Thurmond's list and a Mentor on the one
hosted by the U.S. Faceter's Guild, I've been reading some of your postings,
these past few days, and wondering which kind of tumbler you own. (i.e. Is
it a rotational or vibratory model?) Perhaps you've posted this on a day
when my keen powers of observation were a bit less keen ( {:o)! ); if so,
please update me, aagain? In today's list, you'd mentioned that you have
both 1/2 and 1 gallon capacity barrels, and "only a few rocks to be
tumbled"; what size are those rocks, and are they of similar sizes and
hardnesses? In order to answer you as well as possible, I'll need a little
more information. If you'd prefer, you can call me at the number below, this
evening. Either way,

All my best,
Doug

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

__________________________________________________________
Message:02

Subject: Doping Question
Date: Mon, 10 Mar 2003 16:16:59 EST
To: lapidary@caprock-spur.com
From: Rocksinhed@aol.com

Hi Thanks for the Digest

 I am faceting about two years and still have a problem every now and then
with hot wax dop transferring (I am using Brown by Leeco or Black by Diamond
pacific)
 I use an Ultra Tech machine and brass dops
 My transfer jig is a twin post by Jarvi .... about every fourth stone I
transfer has a problem with off center or indexing
 I can't seem to find my error and need to redop and find a facet to realign
the stone ... Which is a real pain in the butt!

 Is there something novices do wrong all the time or an easy way to do this?

 I was also told about a new glue called Zap-A-Gap and a hardener called
Zip-kicker .... you use Attack to release the stone ..... What do you think
of this glue and its capacity to hold larger stones  (biggest about 20 carats)

 Oh yeah one more Question .... Can you ruin stones by soaking them in
Acetone, Alcohol or Attack?

 I soaked an Andalusite in acetone to release it from the wax and lost some
of its color (It had colors in the facets in the dop (yellow, pink, green,
red)) but lost the colors when soaked and appears to be (yellow) but was
green like the same piece of rough it came from.

Thanks ....... Have a great day!

 Jimmy         Rocksinhed@aol.com            

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Message:03

Subject: Tin Oxide
Date: Mon, 10 Mar 2003 21:21:52 +0000
To: lapidary@caprock-spur.com
From: "Keith Torckler" <titotal@hotmail.com>

Question:

I note that members posting on this list rarely mention using tin oxide as a
polishing medium.

Is this because of cost, perceived unsuitability, unavailability or has it
just dropped out of knowledge as an excellent polishing medium?

I have tried all the other compounds for cabbing, tumbling and lap polishing
and always gone back to tin oxide.  The only other medium I use is diamond
paste on jade carvings.

Tin oxide is obviously not toxic or harmful as I recall buying tin oxide
tablets from a pharmacy for skin eruptions on one of my children.

Keith Torckler, Cornwallis New Zealand.


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Message:04

Subject: Re: filtering saw oil (was:Disposing of Cerium oxide, etc.)
Date: Mon, 10 Mar 2003 17:40:00 -0600
To: LapidaryArtsDigest <lapidary@caprock-spur.com>
From: Downey <alckytxn@swbell.net>

>
> Subject: Disposing of Cerium oxide, etc.
> Date: Sun, 09 Mar 2003 22:02:46 -0500
> To: LapidaryArtsDigest <lapidary@caprock-spur.com>
> From: Walter Greenwood <walterg@nauticom.net>

Howdy Folks,
I have no experience with the following but remember reading that some
'old timer' used a method that had piece of rope (hemp?) pulled through
some close fitting tubing and would 'wick/siphon' the oil from one
bucket into one situated lower. Sounds like it would work.

Carl
1 Lucky Texan


>
> For filtering saw oil, I use a scheme similar to the paper bags and chicken-wire, but
> maybe a bit easier to construct and manage.  Stack two 4 or 5 gallon buckets, with a lid
> on the lower bucket.  (I get used buckets from a local donut shop.)  Cut a large circle
> out of the lid, leaving enough around the edge to support the upper bucket.   Then drill
> holes through the bottom of the upper bucket and nest two paper grocery bags in it.   Fill
> it up with saw sludge and let it sit a few weeks.  Clean oil slowly drains into the lower
> bucket and the rock sludge stays in the bag.  This would work with polishing compounds,
> too.
>
> -WG
>
>
> From: "Naomi Sarna" <nsarna@earthlink.net>
>
> Very funny, guys; Paxil sounds great! Tumbling results are starting to
> improve and so is my equanimity. Thanks for paper bags and chicken wire.
> Another question: if you have only a few rocks to be tumbled, which is
> better - lots of filler, or very small tumblers?  I have a gallon size and
> 1/2 gallon. Thanks again.  Naomi in New York
>

__________________________________________________________
Message:05

Subject: Re: Issue No. 82 - Monday March 10, 2003
Date: Mon, 10 Mar 2003 19:40:52 -0600
To: "LapidaryArtsDigest" <lapidary@caprock-spur.com>
From: "gemhunte" <gemhunte@frontiernet.net>

Hi Every One,

I finally got my stone done yeaaaa hoooooooo. I just put in soaking to get
it of the dop. Now I can try that Garnet I have on a dop. It tock me a long
time with after surgery and all last year. My arm is not 100% but it will
not stop me. I had trouble polishing the table but with persistence I
combated it and got a nice polish :O) TTYL  KOC(utting) Check it out at:
http://www.huntforgems.com/facet.html

Warm Regards
Carl Mauritz
http://www.huntforgems.com

__________________________________________________________
Message:06

Subject: Refractometer cleaning
Date: Mon, 10 Mar 2003 22:57:46 EST
To: lapidary@caprock-spur.com
From: Bellcha7@aol.com

Hello All:Last year I purchased a  SCHOTT LASF HEMICYLINDER (GEM PRO 
Refractometer) to help me identify rough gem material.Then was disarmed when
told lab grown material will give you the same refractive index as natural
will,-so you'll have to arm yourself with other aides ;[specific
gravity,dispersion,crystal system etc.] to I.D. the material in question.
My problem is the growth of what looks like crystal & dust particals clumping
at the bottom of the mirror or scale grid  within the lens system of the
refractometer .I think these particals are dried fragments of  the R.I.
liquid .
In time this growth is becoming a veiwing disraction ,and soon to be
obstacle.This unit appears to be hermitically sealed is there anyway  to
clean, short of sending it somewhere for that purpose?

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Lurking is fine, but participation is better for learning !
Post something from your experiences in gemcutting today!
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TODAY'S FUNNY ~

I believe five out of four people have trouble with fractions.

If quitters never win, and winners never quit, what fool came up
with, "Quit while you're ahead?"

What hair color do they put on the driver's licenses of bald men?

I was thinking that women should put pictures of missing husbands
on beer cans.

Why not modern Latin: VENI, VEDI, VISA - I came, I saw, I shopped.

If it's true that we are here to help others, then what exactly are the
others here for?

STRESSED spelled backwards is DESSERTS.

Strange! No one ever says "It's only a game," when their team is winning.

Isn't Disney World a people trap operated by a mouse?


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REFLECTIONS AND TIDBITS:

From: "Paul Miller" <phmiller@corlink.com>

If a cluttered desk is indicative of a cluttered mind, consider the
implications of an empty desk.

=====================================

CLASSIFIED ADVERTISEMENTS:


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China. Contact Kenaii@earthlink.net I do have Carving and Gem grade
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03072003
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Contact b-daw@pacbell.net

Honey, red & brown zircons, 10g parcels @$20/parcel
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