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LAPIDARY ARTS and FACETERS DIGEST
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Issue No. 208 - Thursday, September 18, 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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Hi All,

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Thurmond

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Index to Today's Digest

01  NEW: worth while web site
02  NEW: Wax Model supplier wanted.
03  RE: HR 2416: The Palentological Resources Preservation Act
04: NEW: Optical Bonding
05  RE: Flex Shafts
06  RE: HR 2416: The Palentological Resources Preservation Act
07  NEW: Tanzanian rubies
08  RE: torch

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Message:01

Subject: worth while web site
Date: Wed, 17 Sep 2003 20:21:07 -0500
To: <lapidary@caprock-spur.com>
From: "Larry" <ldavis32@cox.net>

Have a look at this web site if you are interested in fossils.
www.oceansofkansas.com  It belongs to a good friend of mine.
He and I are also in the Kansas Orchid Society.

Larry Davis

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Message:02

Subject: Wax Models
Date: Wed, 17 Sep 2003 21:28:21 EDT
To: lapidary@caprock-spur.com
From: JackHaslup@aol.com

I am looking for a supplier of wax models for jewelry. I used to see them
around all the time but now I don't. I would appreciate and suggestions.
Thanks

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Message:03

Subject: The Palentological resources Preservation Act
Date: Wed, 17 Sep 2003 21:00:33 -0700
To: <lapidary@caprock-spur.com>
From: Webb Long <webblong@mindspring.com>

Hi  All you Good People, I read the act on the web-sit posted. Believe me
this hit a hot button with me! This is not just the nose of the camel under
the tent, it is the whole darn camel! The educated jerk who was the author
of this act is pulling the wool over your eyes. Mark my words--when the
ninth circit court of apealls get a hold of this one, you won't be able to
dig carrots from your own garden! =C5ny of you who have ever dug petrified
wood will understand what I am saying. Years ago two friends and I were
exploring in the Owyhee Mountains of S,E. Oregon.  We discovered a small
deposit of some rather unique petrified wood.  When we came back a month
later, the educators from ORU. had been in there with back loaders an dump
trucks and cleaned it out.  You see they have all kinds of degrees and make
there own rules, we must only take 25 Lbs and no more than 50 lbs per year
using idiot sticks ( that's a pick and shovel for you youngsters)  I am too
disabled to go out in the field and too old to care, but you young men
should object to this in no uncertain terms or your rockhuntind days will be
over and the ruling elite will have robbed you of more of your freedom. In
case you wonder, I served my country in WW2 and in Korea and I believe that
I have paid my dues. I love my country but fear my government!  

Webb Long

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Message:04

Subject: Optical Bonding
Date: Thu, 18 Sep 2003 00:44:36 -0700
To: lapidary@caprock-spur.com
From: Phillip L Stonebrook <plstonebrook@juno.com>

Hi group...

I haven't posted in a while; glad to be back.

Some time ago, someone posted about materials used to "optically bond"
higher RI materials. Could someone refresh my memory? I'm aware of 330
epoxy that does an acceptable job on faceting grade quartz (RI=1.54).
However, someone mentioned glues (or maybe polymers) that were "set" with
UV light, and I was wondering how high their RI went. Is there anything
out there that would optically bond CZ at RI=2.15? Is the bond as tough
as epoxy or super glue?

Best regards...
Phil in Florida

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Message:05

Subject: Flex Shafts
Date: Thu, 18 Sep 2003 01:01:50 -0400
To: lapidary@caprock-spur.com
From: "Douglas Turet" <anotherbrightidea@hotmail.com>

Jack King asked:
"I am looking for advice on which brand, model and horsepower, flex shaft
machine  is best for delicate boulder opal work. Also best places to buy
new, and, if anyone has a good used one I would be interested."


Hi Jack,

     I hope I can be of help with this, since I've been carving for
something like twenty years, now. As you're probably aware, there are about
a half-dozen different brands and combinations of flex shafts out there,
nowadays. In order to best answer your question, I think it's improtant to
clarify what it is that you want your flex shaft to do. You've said you want
to do delicate carving of Boulder Opal; do you also have a saw and grinding
setup, to cut away your excess material, or are you counting on the
flexshaft to do all of the "heavy lifting"? (I'm not being facetious; that's
a serious question.) If you do have that other gear, I'd recommend picking
up the Buffalo Dental Flex motor and shaft, a Lucas Low-Boy footpedal and
either the tried and true Foredom #30 handpiece (which has a small Jacobs'
chuck at its business end, and can accommodate up to a 4mm diameter
bur-shank), or the Faro Dental quick-change handpiece, whose lever-action
collet release and 1/2" or 3/4" handpiece diameter make it vastly more
comfortable to work with over long periods of time, but which only accepts
3/32" burs. (Foredom also makes a quick-change handpiece, but, in my case,
it's $25 lower price was soon forgotten, and I soon paid the extra for one
of the Faros and donated the other to a friend.)
     The Buffalo Flex units -- which are also offered by Otto Frei, under
the "Ottoflex" label, and by Rio Grande, under their "Rioflex" moniker --
feature a stronger, torquier 1/4 Hp motor than all but the best of the
Foredom units, but their real competition is the shaft that gives them their
name. This puppy can double over to get into the tightest nooks and crannies
(sorry, "Thomas' " bakeries!), and can go all day without overheating. The
reason I recommend the Lucas pedal is that it's pedal height is so low, to
begin with, that I never find my achilles tendon or calf muscle aching after
use, which I sometimes have, with the metal or plastic pedals offered by the
competition (Foredom or otherwise).
     On the other hand, if you need a machine to hog out the excess rough --
a real beast of a unit, that you intend to abuse for awhile -- I'd recommend
picking up one of those $69 cheapies from Harbor Freight Tools, replacing
the shaft and handpiece with halfway decent ones by Foredom (or anyone
else), and away you'll go! (You could also pick up one of the $110 flex
shafts from Enco Tools (www.useenco.com), one of which has now been on my
bench for about a year, and is still doing yeoman's duty, for relatively
short money.

Hope this has helped, Jack!

All the best,
Doug

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:06

Subject: RE: Issue No. 207 - Wednesday, September 17, 2003
Date: Wed, 17 Sep 2003 22:43:09 -0700
To: "LapidaryArtsDigest" <lapidary@caprock-spur.com>
From: "Steven W. De Long" <sdelong@san.rr.com>

Hi Tony and All,

Just thought I'd point out that in general no collecting, mining, heavy
equipment operating whatsoever is allowed in our National Parks, at least as
far as I'm aware.

This bill is actually referring to federally owned lands -- which is an
enormous amount of land out here in the West (I'm in California).  These
lands are administered by various agencies, including the Forest Service,
and the Bureau of Land Management.

In regards to my reading of the bill and its significance let me begin by
saying I'm not familiar with the current rules regarding collecting of
vertebrate fossils on Federal lands but I see a number of potential
problems.  As follows:

1) Qualified Applicant:  Basically vertebrate or significant fossils may
only be collected by a qualified applicant or someone with similar
experience (so how is an amateur to acquire similar experience if they can't
get a pemit).  To be a Qualified Applicant you need a Graduate Degree in
Paleontology.  Basically,  once this bill goes into effect "amateurs" will
be locked out of the process.  Amateur scientists of all stripes have
contributed immensely to our body of knowledge over the years.  I personally
believe there is still a place for amateur experts, just not in this bill.

2) Casual Collecting is limited to "Common Invertebrate and Plant Fossils".
Basically all vertebrate species, common or not, are prohibited from
collection.  Also, how do I, as a casual collector, know what is common or
not.  Basically, unless I have specific information provided by the
government telling me it is OK to collect at a certain locality I'm NOT
collecting because I'm NOT paying any fines or having my vehicle
confiscated, etc., etc.

3) Dinosaur Bone is a common and beautiful cutting material.  Vertebrate
here.  Off limits.  No more cutting dinosaur bone except old stock (if you
can prove you didn't just go dig it up).  What about Sharks Teeth or Whale
Bone (found all along the California coast), and probably a bunch of other
stuff I'm not thinking of that you can't collect anymore.  Of course, the
states will probably follow suit, which means less and less opportunity for
amateurs - basically private land only, which is just that, private.

4) Permits - You can't collect without a permit, which will only be issued
to "qualified applicants" except that the Secretary MAY allow "casual
collecting."  If the Secretary so chooses he can BAN all collecting.  The
bill does NOT require him to allow "casual collecting."  Basically, the bill
allows the Secretary SIGNIFICANT leeway in its administration.

5) Permits will only be granted if the activity "furthers" paleontological
knowledge or public education.  SO, if you find a "significant" fossil that
is common, well known, and ideal for collecting you can't collect it because
guess what we already know about it, besides you don't have a graduate
degree in paleontology.  Anybody willing to hire a Palentologist and request
a permit to dig up a fossil of a mouse?  Now in general, it is well known
that most fossils erode away due to natural forces once exposed.  So,
effectively they will be lost if not collected.  And by the way, they have
to be turned over to a Federal repository after collection anyway.

6) Localities to be kept "secret."  Just strikes me as odd in the land of
the Freedom of Information Act.

7) Official Repository, Exchange, and Sales. Basically, private ownership of
ANY fossils other than plants and invertebrates (that are deemed
insignificant and, again, the determination of significance is at the
discretion of the secretary) that are found in the future has just been
eliminated.  The act does not provide for release of any fossils for sale by
any of these official institutions.  The majority of them will not go on
display in a museum.  They'll just sit in a dusty drawer somewhere.  Seems a
shame to me.  I enjoyed the fossil displays at the Del Mar Fair every year
but those will soon be fading into a faint memory.

As best as I can tell they excluded rock collecting in general but why did
they feel it necessary to even reference it?  Makes me nervous.  In general
I feel like we are losing more and more opportunities.  Maybe there are some
bad guys out there using backhoes to dig up fossils (seems like a bad idea
from a preservation standpoint but who knows...) on federal lands but I
wasn't aware it was a huge problem.  I haven't read about it in the wall
street journal.

I've tried my best to accurately interpret the reading of this act but I did
this rapidly so I probably got something wrong.  And of course, I'm not
trying to ping on Tony.  This is just my personal interpretation and opinion
as a layman with almost no experience collecting fossils (and little hope of
gaining any).

Thanks for listening,

Steve
San Diego

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Message:07

Subject: Tanzanian rubies
Date: Thu, 18 Sep 2003 02:31:04 -0400
To: <faceters@caprock-spur.com>
From: "RICHARD P ROSENTHAL" <kenaii@earthlink.net>

I am wondering if any of the faceters out there can explain to me why
tanzanian rubies do not show the characteristic blue band which all
other rubies show under spectral analysis.?

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Message:08

Subject: re torch
Date: Thu, 18 Sep 2003 08:40:43 -0600
To: <lapidary@caprock-spur.com>
From: "jake" <efjke@msn.com>

Bob in Atlanta wrote,

Now that you have it, how would you compare the flame to the Smith Micro
Torch for fine gold work?  I guess I'm skeptical by the large size of the
tip in the picture.

   I had to write that I did know as I have never used the Smith Little
Torch, except that the class/shop at Riverdale has one (with a melting tip)
they use for casting.  This, whether you want to believe or not is a match
for that.  As for fine work, Martin and Dorte Planert are both professional
goldsmith and teachers; they use this torch.

  As for the tip size, what happens is that there is a (very) small star
flame from those outer holes, the actual working flame is the same as any
other torch.  I must mention that at first I was taken aback by that myself,
but things are as explained.  I do have a picture of this but as I have used
but four frames I am in no hurry to have it developed right now.  All I can
say is that this is an understated piece of equipment, in this day of the
shuck and jive, this is refreshing.  Yes it will work for fine detail, but
as to comparisons I can not say.

E. Jakeman

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Post something from your experiences in gemcutting today!
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TODAY'S FUNNY ~

 I read a story recently about an American who did her nurse's
training at a hospital in Liverpool, England.  She and her fellow
students had little money for meals, so they ate the (not-so-good) food
provided at the hospital complex.  When they took their breaks in the
kitchen, sometimes kindly visitors would give them some of the treats
they had brought for patients.

     One night, a woman brought a pork pie to the kitchen and said to
this nursing student, "Would you 'eat this up, love?"

     Delighted at the offer, she and another student devoured every
crumb.  Soon the woman returned, however, and asked, "Is me 'usband's
pie 'ot yet, dearie?"


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TIDBITS AND REFLECTIONS~

Subject: TIDBITS AND REFLECTIONS~
Date: Wed, 17 Sep 2003 19:41:42 -0700
To: lapidary@caprock-spur.com
From: Connie <2dot@peak.org>

I dn'ot get it, and I swoehd tihs to a fienrd of mnie and he siad, "Waht
carp! I cn'at raed a dman tnihg."

}------------------------------------------------------{

Amzanig !!!
 
Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn't mttaer in
waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the
frist and lsat ltteer be at the rghit pclae. The rset can be a total mses
and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid
deos not raed ervey lteter by istlef, but the wrod as a wlohe.
 
amzanig huh!

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