LAPIDARY ARTS and FACETERS DIGEST
Issue No.77 - Monday March 03, 2003
Moderated by: Thurmond Moore III
Committed to carrying on the fine works of
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Index to Today's Digest
01 RE: Star Stones
02 RE: Soapstone and Seatite
03 NEW: faceting design question
04 RE: Snake Eye
05 RE: Looking for a faceting design
06 NEW: "Optix" faceting
Subject: 5 February 2003
Date: Fri, 28 Feb 2003 17:32:00 -0700
On the 5th of Feb., Douglas Turet wrote a long answer to my question
about star sapphires. By following his advice I was able to get a star
in one of my stones. Because of Douglas and the Lapidary Digest, I have
been able get an inkling of what I was trying to do with my practice
stones. THANK YOU
Subject: Re: Issue No.76 - Friday February 28, 2003
Date: Sat, 1 Mar 2003 10:34:57 -0500
To: "LapidaryArtsDigest" <email@example.com>
From: "Cece" <firstname.lastname@example.org>
I am new to the digest, been lurking, though I have rocks in my blood, lol
and recently started classes cutting them. I have been loving looking for
rocks and minerals since I was a child.
Ok that brings me to the intent of my post. Having grown up in montana,
thought I could save a few steps for the gentleman looking for soapstone,
since Montana was mentioned.
The mines that have talc/soapstone, that I am aware of are in Three
Forks..... and although I couldn't quite remember the name of it, I did a
quick search and located it.
http://www.luzenac.com/ Is the mine that is there. This is a direct source
and as such, probably cheaper than a dealer.
Hope that helps :)
For the gentleman who was looking for a source of seatite, I remember
getting some at a NFMS show in Billings, Montana, that I am pretty sure
was from Montana, and supposed to be extra good for carving because it
had no asbestos in it. I think if you would e mail someone listed on
the NFMS page that is from Montana you could probably find the source.
Subject: faceting design question
Date: Sat, 01 Mar 2003 13:29:09 -0400
From: "cprgolf" <email@example.com>
Is there a formula or a simple method to convert faceting
design instructions from a 96 index to a 64 indexor other
index. Can't find many designs for the 64 index.
Subject: Re: Snake Eye
Date: Sat, 01 Mar 2003 20:47:59 -0700
To: LapidaryArtsDigest <firstname.lastname@example.org>
From: John McLaughlin <email@example.com>
> Well, it has been almost a month since I asked the list if anyone knew what "snake eye"
> might really be called. . . . Briefly, the material supposedly comes from Siberia, and
> can be described as follows: in color it is slightly less lime green than gaspeite; in
> pattern it is mottled a little like lizard stone; in texture it is somewhat jaspery
> except for the eyes. It has variable hardness, so there are areas which are little
> better than semi-polished and others which are brightly polished. Some of the brightly
> polished areas have a chatoyancy almost like fish-scale peristerite feldspar. I only
> saw this material as finished cabs, set in silver jewelry, so I don't even have photos
> to share. I've been reading extensively in the past month, and have a tentative idea as
> to what it may be: some form of skarn rock, with recrystallized garnet blebs in it. If
> anyone knows what it is, I would appreciate having a confirmed identification.
> Jim Small Small Wonders
I think it is skarn from Dal'negorsk, Russia (far eastern Russia, north of Vladivostok).
I asked Dr. Raymond Grant, a geology professor and specialist in mineralogy. Ray has a
mineral specimen side business and spent two summers traveling extensively in Siberia.
He has skarn that is exactly as you describe. These are slabs, but they are polished and
some of the patterns are orbicular. The colors match your description. Quoting from his
information card, provided with skarn purchases, "Skarn is a metamorphic rock formed from
the alteration of limestone. This skarn from Dal'negorsk, Russia consists mainly of
hedenbergite (green) and wollastonite (white). It has a hardness of about 6.5 and takes
a good polish. It is made into spheres, vases, and was used to decorate a subway station
The white color was not evident to me. What Ray has appears to be green and either very
dark green or black forming the patterns. Ray said that some of the areas do appear to
have variable hardness.
Additionally, Ray sets up and sells in Tucson at the Executive Inn, the major February
mineral show. He visits with virtually all of the Russian dealers of Siberian materials
during the 2+ weeks of the show and said he has never heard of "snake eye" from anyone
and was pretty sure he would have if it came from Siberia.
I'm two days into a three day show in Mesa, Arizona and Ray is also a dealer a the show.
If possible, I'll take a digital photo tomorrow of the skarn. This may not be possible,
as I work the shows alone, and just getting a bathroom break is difficult if there is a
Subject: RE: Looking for a faceting design
Date: Sun, 02 Mar 2003 17:13:03 -0500
From: "Douglas Turet" <firstname.lastname@example.org>
I may be able to help, if you'll forward me your "snail mail" address.
I have a design that's very similar to the photos you've offered, and has an
L/W of 1.20. I call it "The Fire Arrow", and would offer it online, if only
I could figure out how to meander around the various commands of GemCAD.
Perhaps, when my new Dell system arrives, a week or so from now, I'll be
better able to finagle a way to do that... until then, I'm afraid it's a
matter of the printed/drawn page, only. Either way, the cut's 'peak' is
nearly identical to that of the large (Blue Sapphires? Tanzanites?) stones
in your attachment, yesterday, it's 'base' is that of a Trilliant, and it
has 57 facets, just like an SRB. Will that suffice for your needs? Let me
My best, as ever,
Douglas Turet, GJ
Lapidary Artist, Designer & Goldsmith.
P. O. Box 162
Arlington, MA 02476, U.S.A.
Tel. (617) 325-5328
Fax: (928) 222-0815
Subject: "Optix" faceting
Date: Sun, 2 Mar 2003 21:24:01 -0500
From: "Tom Wilkie" <email@example.com>
Someone asked me what the optix faceting method is. I have no
RESOURCES FOR LAPIDARIES:
LAPIDARY ARTS and FACETERS DIGEST PERSONALS:
Lurking is fine, but participation is better for learning !
Post something from your experiences in gemcutting today!
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Engineer: Why can't these guys play at night?
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