Issue No. 280 - Friday, April 16, 2004
Moderated by: Thurmond Moore III
Committed to carrying on the fine works of
Hale Sweeny and Jerry Dewbre
http://www.gemcutters.org or
The old classifieds page is gone so
if you had an ad there that you want to preserve please visit
the new classifieds page, sign up for a username and password
then place the ad there.

NEW SELF SERVE http://www.gemcutters.org/cgi-bin/classifieds/classifieds.cgi

The new page has an area for show announcements also.


Index to Today's Digest

01  FS: faceting machine
02  NEW: Linde Corundum Boules.
03  NEW: Meeting Tuesday
04  NEW: Samsons Gems - Recommendations
05  RE: Hand Faceting Machines
06  RE: Meeting
07  RE: Jamb Peg
08  NEW: cutting and polishing tourmaline with a closed c-axis
09  NEW: more on tourmaline


Subject: faceting machine
Date: Fri, 09 Apr 2004 08:54:41 -0700
To: faceters@caprock-spur.com
From: Noel <noel@roughtocut.com>


I just received a call from an acquaintance asking if I knew anyone
looking for a good used faceting machine. He has a MDR "Master" faceting
machine in excellent condition he's looking to get rid of. He bought it
several years ago with the idea of some day getting into faceting. That
day never came & he has moved on to other things.

If you are interested his name is Fred Brady & he can be reached at
(408) 293 5722 or by email at fbrady@earthlink.net
<mailto:fbrady@earthlink.net>. He has also posted a webpage with
pictures and specifics about the machine at
http://www.hatonfire.com/MDR/. I have not personally used the machine
but it looks like it would be a good solid machine for someone starting
out & the asking price looks right.

Also for those into lapidary he mentioned that he had some lapidary
equipment that he was also looking to get rid of. I didn't get the
specifics on that as faceting is more my interest & that is why he
called me.

I have no financial interest in the machine, it just looked like a good
deal for anyone who might be looking.

Noel Rowe
Rough To Cut
Ph: 866-755-5367


Subject: Linde Corundum Boules..
Date: Fri, 9 Apr 2004 13:15:58 -0600
To: <faceters@caprock-spur.com>
From: "Todd" <td_gunz@yahoo.com>

Hi all,

In perusing eBay I stumbled across someone selling what they
claim are old Linde Ruby Boules for faceting.

I remember reading about that material on a digest a while back.
I think I read that it was no longer being manufactured any longer and
hadn't been for quite a while.

            The seller has them priced out at 15 cents a carat, and has
"parcels" available from 146.20cts to 425.10cts.  The sellers' eBay I/D
is; "ab_jewels_and_tools".  There are about 6 days left on the parcels
before the auction closes I believe.

The usual disclaimer applies; I have nothing to do with
these items, don't know the seller, and only posted this in case someone was
interested in what was once the quality standard in man-made Corundum
from what I've read about Linde.

            Take care all, do good,

todd of "Todz Rox"


Subject: Samson
Date: Fri, 09 Apr 2004 21:33:36 +0000
To: lapidary@caprock-spur.com
From: lake989@att.net

I would not purchase unless you could use an Escrow account. And I do not think O.
Samson uses escrow. He does have an IGS Recommended logo but Mr Nixon was our
President too. There are some OK suppliers and there are some very good ones too.
It is always good to ask for references and don't be afraid to speak direct to them
first. The guy who started Intimate Gems would be someone to check for African,
Pakistani, Afgan rough. HusnaGems is Nigerian and offers escrow (I think he did).
Check A D NISAMA, LTD to see what they offer. Of course TZ Gems is still selling,
not sure if he still has his level at $1000 min or not. It was $2000 but changed
after 911.


Subject: Atlanta facetors get together
Date: Fri, 9 Apr 2004 18:17:44 -0400
To: "LapidaryArtsDigest" <lapidary@caprock-spur.com>
From: "john" <camp1969@bellsouth.net>

Hi to all on the list in and around the Atlanta area.  We are trying to get
names and addresses for people in the Atlanta area to see when and where we
can get together to discuss faceting, and faceting related topics.
Please respond by email off list with name, a good day and a good place.
John Campbell


Subject: RE: Hand Faceting Machines
Date: Fri, 9 Apr 2004 17:31:36 -0500
To: <faceters@caprock-spur.com>
From: "Larry" <ldavis32@cox.net>

I understand what you say but for my part I prefer to give my hands and
wrist a break then get back later to cutting.  I have gone into some cutting
sessions that lasted all night and into the next day with my thumb and part
of my hand almost totally numb when I finished.  It would take several days
to get them back to normal and that just isn't what I like to do.  I would
rather have my hands for a few more years.  I just last week injured the
ulner nerve in my left elbow and my little finger and ring finger are now
coming back to feeling with a bit more to go.  Not too easy to type with
numb fingers.  It cuts the speed well down.

I had nothing against anyone having any machine that they feel comfortable
with.  You don't need a million dollars in equipment to cut the best
competition stones.  The best equipment is right between your ears.



Subject: Fw: Meeting
Date: Fri, 9 Apr 2004 20:34:01 -0400
To: <lapidary@caprock-spur.com>
From: "Tom Wilkie" <twilkie@mounet.com>

It sure was a suprise to see the followiwing note from me in the 4/09

"Don't forget the meeting Tuesday night, 7 PM, at our house.  If there
is anything special you want to do or talk about, let us know.  I have
nothing special planned----except, the Tennessee Lady VOLS play at 8:30
for the national title, so we are likely to break up earlier than
normal. Tom"

Our Gems and Minerals club has a lapidary subgroup that meets at our
house once a month--and I thought I was reminding folks about the
meeting, but sent it ot the Lapidary Arts and Faceters Digest instead. 
No wonder our attendance at the April meeting was limited!!!!!

Tom Wilkie
Kingsport TN


Sorry Tom,  It appeared to be a valid meeting anouncement.



Subject: Jam Peg
Date: Sun, 11 Apr 2004 22:55:20 -0600
To: <lapidary@caprock-spur.com>
From: "Jack Schmidling" <arf@mc.net>

As a point of interest, I recently bought a Lap Lap and sort of think I was
had and wrote it off as a learning experience.   It is what it claims to be
but knowing nothing about faceting, I thought it would at least be a way of
getting my feet wet but the instructions are pathetic and after an hour or
two of phone calls, I just gave up and he will not answer email.  I never
could figure out how to adjust the height without changing the angle so even
if one needs therapy, it is seriously flawed.

I built my own machine using his index head but eventually went to a gear
because eyeballing just is not good enough.  There is a picture of my first
prototype on my web site along with a whole page on the one I actually use

Anyway, what I am really interested in is knowing just what a jam-peg is.  I
can't find any description of this anywhere.  Could someone please describe
this thing?


Astronomy, Beer, Cheese, Gems, Sausage http://schmidling.netfirms.com


Subject: cutting and polishing tourmaline with a black c-axis
Date: Tue, 13 Apr 2004 17:07:36 -0700
To: <faceters@caprock-spur.com>
From: "b-daw" <b-daw@pacbell.net>

greetings everybody!
i wanted to say thankyou to everybody inquiring and purchasing the
tourmalines.  they are priced to move.  last saturday i attended a
tourmaline symposium at gia.  it was hosted by san diego gem and mineral
and san diego gemological and the response was larger than the group
last year.  the speakers were excellent.  i wanted to share a bit of
information i learned on cutting/polishing tourmaline with a black
c-axis.  the crown is stepped in at 30, 25 and 20 degrees uniformly
around the stone.  the long sides of the pavillion are stepped in at 60,
50 & 40 degrees.  the short end consists of one facet at 70 degrees and
the corners are cut at 75 degrees.  polish with linde a (sapphire 14k)
on tin and burn in the flow.  this works on stones with the black c-axis
and dark bicolored stones.  this person's stones were outstanding.  i
got to have a first hand look when the case was broken down after the
syposium ended.  one other note:  try to polish the direction of the
c-axis, not against the grain.  tourmaline has a good degree of
piezoelectricity and tends to release stress causing fracturing.
well, then, while i await for the skin to regrow upon my finger tips, i
bid you all a nice day and a great thank you for your interest in the
rubellites and whatever else may interest you.
good luck with your stones!
so cal
Patty Miklik


Subject: more on tourmaline!
Date: Thu, 15 Apr 2004 12:24:14 -0700
To: "LapidaryArtsDigest" <lapidary@caprock-spur.com>
From: "b-daw" <b-daw@pacbell.net>

hello everybody,
thank you all for the inquiries on the rubellites.  it's going great
guns right now!
i wanted to share more information on the coloring/chemistry of
tourmaline.  to be specific, i will give a speil on pink and red
tourmaline today.  pink and red tourmaline is colored by manganese and
it's change in oxidation state from+2 to +3.  +2 colors pink and +3
colors red tourmaline.  tourmaline is irradited insitu from the decay of
potassium 40.  k40 is found in mica and feldspar.  the longer the
irradition time elapses the darker the color.  mechanical irradiation
can change pink to red and red to pink as the positron jumps back and forth.
have a great tourmaline day everybody!
so cal
Patty Miklik

Web:    www.gemstonesource.com










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