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LAPIDARY ARTS and FACETERS DIGEST
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Issue No. 271 - Friday, February 27, 2004
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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 or
http://www.facetersdigest.org
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Hi all,

Good list today. Keep those post coming in.

The classifieds page has been replaced with
a self serve page that allows all members to
post their own ads with pictures if so desired.
Each user will have to register for a username
and password to post to the site. You might
remember a similar site that I used to use a couple
of years ago. It was stolen (long boring story). This one
is integrated into the gemcutters.org site so it will be
permanent. If you have a personal ad or permanent ad
on the page reached from the link near the bottom of this digest
and wish to keep it please go to the new site and register then
post your ad there. Here is the link to the new site.

http://www.gemcutters.org/cgi-bin/classifieds/classifieds.cgi

Thurmond

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Index to Today's Digest

01  NEW: Waterglass sources
02  RE: Wire Wrap Information
03  RE: vib-ro-lap manual
04  NEW: diagrams for Highland Park 18" saw
05  RE: Wire Wrap Information
06  RE: Wire Wrap Information
07  NEW: cut olivine for scientific use
08  NEW: Orienting Tourmaline question
09  FS: Cabochon Templates
10  NEW: Polishing techniques

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Message:01

Subject: Waterglass..
Date: Fri, 20 Feb 2004 15:10:17 -0800 (PST)
To: lapidary@caprock-spur.com
From: "Phil\(NM\)" <goldpnr@yahoo.com>

Anyone know of a source to buy waterglass powder for dopping?
I tried The Chemistry Store, they don't carry it.

TIA


=====
Phil(NM)

Hi Phil, Try a store that carries refractory materials. Water Glass
is used in some metal casting methods for molds. I do not know if
what they have is a powder.

Thurmond

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Message:02

Subject: Wire Wrap Information
Date: Fri, 20 Feb 2004 15:29:29 -0700
To: <lapidary@caprock-spur.com>
From: "Jack's Gems & Jewerly" <jacksgemsjewelry@cox.net>

Hi Mel,

If you get a copy of the WAJ (Wire Artist Jeweler) magazine (the
magazine that John McLaughlin recommended in his post), there are many
books, tapes and shools advertised.

Also another on line forum is:
http://www.brandywinejewelrysupply.com/forum/default.asp

And at this site: http://wire-sculpture.com/patterns.php they have free
wire wrap patterns that you can down load.

Jack
Http://www.thehandcraftedjewelrymall.com/jacksgemsjewelr

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Message:03

Subject: vib-ro-lap manual
Date: Fri, 20 Feb 2004 19:00:34 -0600
To: <lapidary@caprock-spur.com>
From: "Criss Morgan" <crissmorgan@bellsouth.net>

Thanks Raymond!
I've had a 27" Vib-Ro-Lap for 10 or 12
years, and have never been able to locate a manual for it.

Criss Morgan
crissmorgan@bellsouth.net
Baton Rouge Rockhound and Lapidary Club

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Message:04

Subject: diagrams for Highland Park 18" saw
Date: Fri, 20 Feb 2004 19:48:47 -0600
To: <lapidary@caprock-spur.com>
From: "Criss Morgan" <crissmorgan@bellsouth.net>

Ray.
       I'm afraid I was so tickled about your Vib-Ro-Lap manual that I
didn't see the rest of your post before I sent my thank you post to the
list.
 I have some parts lists and diagrams for the Highland Park 18SSP 18"
saw if you or anyone else would like me to send them a copy. This is the
saw with a full Plexiglas lid. They're not very good copies, but I have
them saved as .pdf files. Maybe you have some way of improving the way
they look. Let me know and I'll send them to you. I got them from
Diamond Pacific, and you probably should get their permission before you
post them on your web-site too.
 If you have copies of the diagrams, parts lists, or manuals for the
Highland Park 6" and 8" lapidary machines that use silicon carbide
wheels and belts on expanding drums, I could use them for reference. The
6" unit also has a 6" saw attached to the left hand side of the grinder
unit. I've had both those machines for many years, and they both still
give good service.
 That speaks very highly for Highland Park equipment. I'm afraid I treat
them a little roughly, and I've never seen any other machines of that
vintage that have stood the test of time as well as these have. I mostly
use the grinders for cutting opal. I don't know why, but opals seem to
cut and polish much better for me on a silicon carbide machine than they
ever have on a diamond machine. It also seems to me that an 8" silicon
carbide grinding wheel seems to last about the same amount of time that
a 6" diamond wheel does. Of course, I'm not using it nearly as much for
the harder jaspers and agates either, and not at all for corundum. I use
the 6" saw to trim facet rough using a thin kerf blade. I put on a
thicker blade to trim cabochon rough and slabs with.
 I consider the Highland Park 18SSP saw that I have to be the very best
18" saw I've ever seen or used. The only thing I don't like about it is
that when I use the handle that traverses the vise from left to right
and back, my knuckles rub the inside of the saw body. If I had another
inch or two of space there, it would be nice. I almost never use
anything but the slowest feed rate to advance the rock I'm cutting. This
way, the finish I get on the slap or piece of rock is pretty close to a
prepolish. I only use the faster feeds for  soft rocks  like
Labradorite. A really nice feature is the Plexiglas lid for the saw.
It's the only 18" saw with one that I've ever seen. It's a super good
saw for demonstrating how to cut up a rock. You can walk all around the
saw and see the entire operation and never get sprayed with oil. Talk
about a demonstrator at club shows! It gets non-stop attention from show
attendees whenever it's running.
 So, as you can tell, I'm a big fan of Highland Park equipment, and
having a parts diagram or manual for them is great. Just having a part
number to give Diamond Pacific makes my life a lot easier when we are
both calling the same part by the same name. A little nomenclature goes
a long way, compared to having to try to describe a part to someone 1500
miles away over the telephone.
Thanks again Ray,
                                                                        
Criss


Criss Morgan
crissmorgan@bellsouth.net
Baton Rouge Rockhound and Lapidary Club

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Message:05

Subject: Re: Issue No. 270 - Friday, February 20, 2004
Date: Fri, 20 Feb 2004 23:06:26 EST
To: lapidary@caprock-spur.com
From: Joeala96@aol.com

In the LJ there is a add for the Universal Wire Wrap Co. in Braderton Fl.
the sell 10 VCR tapes on wire work. very good for the wire worker. They cover
rings, pendeant, names  I don't remember the cost . They sell the wire, gem
stones , tools
Good people to trade with.
joeala96@aol.com
Joe Mangelsdorf
McAllen. Tx.

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Message:06

Subject: Re: Issue No. 270 - Friday, February 20, 2004
Date: Sat, 21 Feb 2004 17:02:55 EST
To: lapidary@caprock-spur.com
From: Joeala96@aol.com

 
I was not able to find the http://groups.yahoo.com/group/Wire_Wrap_Jewelry/
was this a good adress. Th.is comes back no such  group.
joeala96@aol.com
Joe Mangelsdorf
McAllen. Tx

_______

Hi Joe, That is strange since I receive a digest mailing from
that group daily.I tried the link and got the same error. I then
logged in to my yahoo account and went to my groups. It is there.
I copied the link again and it is working now even though the link
did not change. Try it again?

Thurmond

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Message:07

Subject: NEW: cut olivine for scientific use
Date: Mon, 23 Feb 2004 10:41:52 -0800 (PST)
To: lapidary@caprock-spur.com
From: Emily Watkins <modernemily@yahoo.com>

I have an olivine crystal that I need cut to a disc (about 1cm
diameter, 2mm thick).  One side of the disc needs to be polished
smooth at a molecular level.

Can anyone suggest a place where I can have this done?  I am in
Syracuse, New York.  The closer to Syracuse, the better, though we
could mail it to about anywhere.

Many thanks.
Emily Watkins



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Message:08

Subject: Tourmaline
Date: Wed, 25 Feb 2004 18:40:16 -0500
To: <lapidary@caprock-spur.com>
From: "wbarringer" <wbarringer@prodigy.net>

Hi Thurmond....probably a silly question but....I have a nice tourmaline
crystal that is pink along the long axis and hot hot neon red on the c
axis. I thought I would go for color and cut on the C axis. Do I need to
worry about raising any angles so the long axis colors dont change the c
axis color I am going for? Or if I cut for size along the long axis and
leave all the side angles low will the C axis color show enough to
saturate the stone? I am confused about which way to go with this one. 
Thanks  Bill  

__________________________________________________________
Message:09

Subject: Cabachon Templates
Date: Thu, 26 Feb 2004 23:09:50 -0600
To: <lapidary@caprock-spur.com>
From: "Wayne S. Barnett" <wayneb@ev1.net>

Three custom cabachon templates are available from the Houston Gem and
Mineral Society.  They may be ordered by going to their web site, hgms.org,
and follow the path under the Lapidary section.  These templates were
designed by the Lapidary section and are offered for sale by that Section.

Wayne S. Barnett
Houston, Texas

__________________________________________________________
Message:10

Subject: Polishing techniques
Date: Thu, 26 Feb 2004 23:25:44 -0600
To: <lapidary@caprock-spur.com>
From: "Wayne S. Barnett" <wayneb@ev1.net>

I have been requested to give a presentation on polishing techniques at the
local lapidary club (Houston Gem and Mineral Society) and would like to know
if anyone has any good references or other information on the subject.  I
would like to include techniques for both stones and metals and plastics.
While I am familiar with many of the techniques I would like to add as many
additional methods as possible.  Please let me know if anyone can lead me to
any such information.

Thanks

Wayne S. Barnett
Houston, Texas

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

The accident report
Dear Sir,

I am writing in response to your request for additional
information for block number 3 of the accident reporting
form. I put "poor planning" as the cause of my accident.
You said in your letter that I should explain more fully
and I trust the following detail will be sufficient.

I am an amateur radio operator and on the day of the
accident, I was working alone on the top section of
my new 80 foot tower. When I had completed my
work, I discovered that I had, over the course of
several trips up the tower, brought up about 300
pounds of tools and spare hardware. Rather than
carry the now un-needed tools and material down
by hand, I decided to lower the items down in a small
barrel by using a pulley, which fortunately was attached
to the gin pole at the top of the tower.

Securing the rope at ground level, I went to the top of
the tower and loaded the tools and material into the
barrel. Then I went back to the ground and untied the
rope, holding it tightly to insure a slow decent of the 300
pounds of tools. You will note in block number 11 of the
accident reporting form, that I weigh only 155 pounds.

Due to my surprise of being jerked off the ground so
suddenly, I lost my presence of mind and forgot to let go
of the rope. Needless to say, I proceeded at a rather
rapid rate of speed up the side of the tower. In the vicinity
of the 40 foot level, I met the barrel coming down. This
explains my fractured skull and broken collarbone.

Slowed only slightly, I continued my rapid ascent, not
stopping until the fingers of my right hand were two knuckles
deep into the pulley. Fortunately, by this time, I had regained
my presence of mind and was able to hold onto the rope in
spite of my pain.

At approximately the same time, however, the barrel of tools
hit the ground and the bottom fell out of the barrel. Devoid
of the weight of the tools, the barrel now weighed approximately
20 pounds. I refer you again to my weight in block number 11.
As you might imagine, I began a rapid descent down the side
of the tower.

In the vicinity of the 40 foot level, I met the barrel coming up.
This accounts for the two fractured ankles and the lacerations
of my legs and lower body. The encounter with the barrel slowed
me enough to lessen my injuries when I fell onto the pile of tools
and fortunately, only three vertebrae were cracked.

I am sorry to report, however, that as I lay there on the tools, in
pain, unable to stand and watching the empty barrel 80 feet
above me... I again lost my presence of mind. I let go of the rope.


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---Author Unknown---

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