Administered by Hale Sweeny (firstname.lastname@example.org)
This list digest contains the following message subjects:
1. LapDigest News for Issue No. 168 - Sat. 10/3/98
2. NEW: Final Polish on Malachite in a Tumbler
3. NEW: Plans for Lapidary Machines
4. NEW: How to Tumble Petoskey Stone
5. NEW: Looking for a Stone (Tiger-Eye?)
6. NEW: Orchid Archive Important Update
7. NEW: Agates Pictures on the Web!
8. RE: Diamond Ring Saw or Band Saw?
9. Re: White Turquoise?
10. RE: Trading Rough Materials
11. RE: Old Lapidary Journals
12. RE: Greening Turquoise
13. RE: Greening Turquoise
14. BIO: Brian Wright
15. BIO: Wally Baxendale
16. BIO: Phill Mason
17. SHOW: Houston Gem & Mineral Society
18. SHOW: Our Show Dates
19. SHOW: Our 1999 Show Dates
20. FS: Equipment and Rough
21. FS: Opal Rubs
22. FS: Liquidation of Gem/Mineral/Jewelry Stock
Subject: LapDigest News for Issue No. 168 - Sat. 10/3/98
Starting today, there is be an important change in policy.
All messages sent to Lapidary Digest will become the property
of Lapidary Digest, and blanket permission is given to non-
profit Gem and Mineral Clubs to copy content for their
newsletters. All others must request permission from Lapidary
Digest. Hopefully, in this way, we can restrict commercial
use of the Digest content.
I have been away and have had family problems, which delayed
publication of this issue. I am afraid the family problems
will continue for a while, but I will try to be as regular as
Well, I goofed the title of the last Issue; I put it as #168
in the title but it was really #167! This is #168. Thanks,
Andy Parker, for setting the numbers straight!
If you have trouble accessing the Archives, please let me
know when and what (name of file) you tried to access.
We now have 1240 members!
Please sign your name to submissions - readers really want
to start knowing who you are!
It's getting cool outside.. Soon it will be too cool for
fieldtrips. Time to get back to cuttin' and grinding!!
Subject: NEW: Final Polish on Malachite in a Tumbler
How do you get the final polish on malachite in a tumbler?
What compound works best on this soft stone?
Thanks in advance.
Subject: NEW: Plans for Lapidary Machines
I'm new to the wonderful world of lapidary, I am proficient
in fabrication of small machines and if anyone can send or
lead me to some plans it would be greatly appreciated.
(Hale's Note: Thomas, look at Eclectic Lapidary E-zine on the
Web at URL= http://220.127.116.11/eclectic/login/
They ran a series of articles on building tumblers, faceting
machines, cabbers and so on. Search their Archives for all
And if any members have plans for lapidary machines, please
send them to the Lapidary Digest, and I will put them up on
our Web pages, when they are completed.
Subject: NEW: How to Tumble Petoskey Stone
I am new to lapidary digest, but not so new to lapidary. My
dad started my interest in the very early seventies maybe
even the late sixties. Anyway I've been putzing around in
rocks ever since.
I have a question. Has anybody ever successfully tumbled
Petoskey Stone (hexagonal coral fossil of the mississippi
period found in, where else, Petoskey Michigan) to a high
polish. I have both been told and experienced that Petoskey
stone cannot be tumbled. I did hear through the grapevine of
a tumbler that had limited success by wrapping each stone in
something (nylon??). Anybody have any suggestions?
Also I have a stock of Petoskey (can be hand or machine
buffed to a very high polish) that I would be willing to trade
for stones not typically found in Michigan (i.e. jaspers,
onyx, petrified wood, crystals, geodes, or anything else that
will polish) I am also interested in a faceting machine, and
a disk polisher.
Subject: NEW: Looking for a Stone (Tiger-Eye?)
I purchased a small slab several years ago at a local rock
club show. The dealer told me it was Australian Tiger Eye.
I have never seen any more like it and would like to find
some more. There is a scan of a piece of it here:
The scan makes it appear as an olive green, but it is more
brown (like tiger eye) with an olive hue in the areas that are
not golden. It also is like picture jasper in that it looks
like mountains with the sun receding. Please help if you
know what this stone is or where I can find more.
Bacliff, Texas US on the Gulf Coast close to Galveston Bay
Subject: NEW: Orchid Archive Important Update
We are proud to introduce the revised version of the Orchid
Archive on the Internet!
As the archives grew heavy on our server, browsing and
searching for information became tedious tasks. We are now
using the best available software to handle mailing lists
archives; The MonArc Software.
Beside the upgrade we have removed unwanted noise from the
archives, excluding over 3,000 messages which where not
worth archiving. Browsing the archive is now even more fun!
Now as never before browsing the archives, and power
keyword searches are done on the fly.
This latest upgrade allows our humble community to step
forward the second millennium, proudly holding the title of
the leading discussion forum for gem and jewelry related
topics on the Internet.
Please check out the archive pages and update your
Dr. E. Aspler
Managing Director, Ganoksin Jewelry Co.,Ltd
Webmaster Ganoksin Online
(Hale's Note: Congratulations, Hanuman! They ARE much faster
to search - and for those not familiar with ORCHID, it is the
premier jewelry mail list, including both pros and amateurs.)
Subject: NEW: Agates Pictures on the Web!
If you haven't seen this yet, go to:
I hope I got that right...go to the agate section.
Nothing further needs be said.
Best to you,
Subject: RE: Diamond Ring Saw or Band Saw?
<<I have seen pictures of a ring saw, but have no idea how
it operates, what the word 'ring' refers to, or anything else
about it. Would you please describe what a ring saw is, how
the blade is cooled, how it is powered or driven, and other
features our members would like to know. Who made the one you
Hale, the ring "blade" is literally a steel ring embedded
with diamond chips and is friction driven by rubber belt
(with about as many loops as your car fan belt) while being
supported by six sets of plastic gear cogs. The entire unit
weighs about 30 pounds when filled to the proper water level.
The manufacturer suggests using ice water for cooling, but my
shop is air conditioned so I don't bother when cutting 22
gauge metal. Rocks and minerals probably should be cooled
with ice water.
There is a plastic stage grill-like stage about 12x18 inches
on which to lay the work. The speed is about 8,000 rpm but
noise level lower than Dremel tools. At $79 each the 80 or
140 grit blade is a bit steep. As said before, be PATIENT
and do not force. Model is listed as Tarus II and I
purchased my from Graves Co. in Pompano Beach at $495. Graves
also sells a video tape for $16.95.
Would like to learn of other experience with the Taurus II.
(Hale's Note: I will buy either a ring saw or a band saw soon,
and would appreciate input on band saws from members who have
used them for stone cutting.)
Subject: Re: White Turquoise?
Many years ago I got some "white turquoise" from the owner
of the Carico Lake mine. He claimed it was "Foustite" (sp)
but I have never seen any more, nor can I find it listed in
any of my references. Maybe someone has a better set of
mineral references and could check it out.
(Hale's Note: Dick, are you sure the mine-owner's name wasn't
Subject: RE: Trading Rough Materials
<<Trading materials. Has there ever been a discussion of
trading materials on this digest? It seems to me that shipping
could be awfully expensive on large quantities. Have others
experience with this they would share?>>
Large quantities would be a pain, but the USPS will send 2 lb.
package for only $3. I have swapped micro material with
several rockhounds, and enjoy this activity. You have to trust
the folks that you deal with, and I haven't been disappointed
Subject: RE: Old Lapidary Journals
Here old Lapidary Journals, Rock and Gem, etc. are donated to
the club and they are sold at 10 cents apiece at our annual
club show. - a nice money-maker for us and space-maker for
you! They could probably even go up to 25 cents.
Subject: RE: Greening Turquoise
I read that green turquoise has been overheated. That turning
green is an unintended consequence of too hot dopping. Don't
know from personal experience but thought it might help.
Subject: RE: Greening Turquoise
A while ago, I made a statement without detail that Turquoise
can be turned from Blue to Green with the application of
chemicals. After a bit of research, I found the first recorded
application of this process was "Pliny" in 55 AD. He writes
that "Smaragdi in spite of their varied colors, seem to be
green by nature, since they may be improved by being steeped
in oil". The Smaragdi (a term to include Emerald) that Pliney
refers to was taken from copper mines and was what we know as
In Pliney's day, Green was the preferred color of Turquoise,
not Blue. So they would boil it in oil that was "rancid or
contains some vinegar" to turn the Blue to Green. Chemically
you are "changing the ligand field about the copper in the
surface of the turquoise and produce a change in color from
blue to green" <Ref.: Gemstone Enhancements, Kurt Nassau Page
198>. Nassau further cites that it is done today in Egypt by
using previously boiled mineral oil.
You can use some acids, some chemicals present in beverages,
in skin oils and in the perspiration of some individuals, and
in many cosmetic products.
Gemstone Rough Dealers Since 1970
Subject: BIO: Brian Wright
Hi, my name is Brian Wright.
I have been a gem-cutter for twenty years. I commenced as a
hobbyist when recovering from a heart operation, progressing
to faceting. After a short time I specialized in sapphire
cutting and entered the wholesale market.
I discontinued faceting at the age of 40 years due to
eye-strain, and took up opal cutting for the wholesale market.
I am a qualified gemologist, being admitted as a Fellow of
the Gemmological Association of Australia in 1987.
My opal market is specialized. I travel to the major opal
fields in Australia on a regular basis buying stock, which
invariably is in large parcels of rough and rubs ('rubs' are
pieces of opal with the majority of the rubbish ground away
so that the buyer can see what chances he is taking - the
recovery-rate is greatly enhanced as well). Consequently,
due to the fact that my market is specialized, I have stocks
of opal for sale surplus to my needs.
Subject: BIO: Wally Baxendale
Thanks for being willing to run this operation. I was
delighted to find something so specific to my interests.
I guess I'm something of a "retread" in that I did some
cabbing about 30 years ago then drifted away until 4 or 5
years ago. I'm a retired High School Counselor and now have
a little more time on my hands for fun stuff. I went back to
a lapidary class and really got into it. Presently I have a
Genie set up in the shop in the basement, along with a 12"
slab saw. Having used both carbide and diamond I'm a true
fan of the diamond unit; much faster and smoother. Meanwhile,
my wife and I joined the West Suburban Lapidary Club based in
Elmhurst, IL. Our club runs the only lapidary classes (other
than college classes) in the Chicago-land area. I am privileged
to be the director of that school which, at present, has
classes in cabbing, beginning and advanced silver and
wirewrapping. When not working in the shop, doing school
stuff or otherwise goofing off we spend as much time as we can
riding the Goldwing around the Midwest. I'm looking forward
to each issue of the Digest and hope I can include some of the
tips in our club newsletter.
Subject: BIO: Phill Mason
Phill Mason lives in Hobart, Tasmania, Australia. Born 1950
in Sydney, Australia. Read Fine Arts at the University of
Sydney in the early 1970's.
Currently a contemporary jeweller and object maker. Recipient
of over twenty awards for jewellery design; the only
Australian to have been included three times in the German
International Jewellery and Precious Stone Award at
Idar-Oberstein. Immediate past National Chair of Jewellers &
Metalsmiths Group of Australia (similar to Society of North
American Goldsmiths) and Convenor of Ninth Biennial JMGA
Long time passion is agate, faced as cabinet specimens. Dig
regularly at Lune River gemfields, Tasmania; a major world
occurrence of agate, (nominated in 'Banded Agates: Origins
and Inclusions' by Pabian and Zarins) and also one of the
great petrified forests of the world (nominated in
'Petrified Forests' by Ulrich Dernbach). Aiming to build
up a representative collection of world agates through
Subject: SHOW: Houston Gem & Mineral Society
The Houston Gem & Mineral Society is having their annual show
with over 60 dealers of gems, lapidary material & equipment,
minerals, fossils, and jewelry. On display will be a banquet
table covered in rocks made to look like food, famous diamond
replicas and necklaces, and show cases of many unique specimens
of minerals, fossils, and lapidary items. Raffle, door prices,
free fossil, gem & mineral identifications, lapidary
demonstrations ranging from lost wax casting, chasing &
repousse, faceting, to silversmithing, silent auctions and
educational games with a youth booth, are also on the menu,
Cost is $4.95 at the George Brown Convention center off of Hwy.
59, on October 16,17, and 18th. For more information contact:
Subject: SHOW: Our Show Dates
We will be at the following shows:
Oct 3 & 4 Waynsboro Va, Kate Collins School
Oct 8,9,10,11 Franklin NC community center "Leaf Lookers
Oct 16,17,18 Knoxville TN Kerbela Temple
Oct 24,25 Abington VA Southwest Virginia higher education
Oct 31 Nov 1 Lynchburg Armory in Lynchburg, VA
We carry a wide range of tools and supplies for lapidary and
jewelry making. Coke and introduce yourself and tell me that
you saw this on Lapidary Digest!
Subject: SHOW: Our 1999 Show Dates
For those of you in California, please plan to stop by and
say hello to us at the following 1999 GemFaire shows:
Jan 8.9 &10 Santa Rosa, Sonoma County Fairgrounds, 1350
Bennett Valley Rd.
Jan 15, 16, &17 Roseville, Placer County Fairgrounds, 800
All American City Blvd.
Jan 22, 23, &24 Del Mar, Del Mar Fairgrounds, 2260 Jimmy
Jan 29, 30 & 31 Riverside, Riverside Convention Center,
3443 Orange St.
Feb 19, 20 & 21 Santa Barbara, Earl Warren Showgrounds,
Hwy. 101 & Las Positas
Feb 26, 27, & 28 Pleasanton, Alameda County Fair, 4501
Mar 5, 6 & 7 Del Mar, Del Mar Fairgrounds (see above)
Mar 12, 13 & 14 Costa Mesa, Orange County Fairgrounds,
Arlington Ave, Gate 4
April 16, 17 & 18 San Diego, Scottish Rite Center, 1895
Camino Del Rio S.
April 23, 24 & 25 Santa Rosa, Sonoma (see above)
We will be featuring a variety of lapidary rough materials
and mineral specimens from around the world, so be sure to
make plans to stop by and
say hello. Hope to see you all there!!
Everyone have a great day, and be sure to e-mail us so that
we can add you to our Internet based faceting rough sales
P. T. Ahlstedt Mining and Mineral Exploration
Dealers of Cut and Rough Gemstones |Fax: (909)943-4425
Subject: FS: Equipment and Rough
Due to medical expenses, I am needing to sell some of my rock
equipment and inventory---I would appreciate your help in
directing me to some prospective buyers--
I have the 2 vibrating laps 27" diameter (110volt) both new
I also have:
.. about 200 #s of Brazilian Agate 3-10# nodules
.. 2# bags of various slabs no junk
.. miscellaneous petrified wood (mostly Cyciad)
Will send photos via E mail of all above
Your help in this matter appreciated
Victoria Texas 77905
Subject: FS: Opal Rubs
Opal Rubs. Opal rubs are individual pieces of opal with the
majority of the rubbish ground away. This process allows a
good appreciation of the possible final result and ensures
that an excellent recovery-rate is obtained. All qualities
are available. Prices given on request.
Subject: RE: FS: Liquidation of Gem/Mineral/Jewelry Stock
My apologies to those of you who tried to visit our web site
and were unable to read the list. It has now been repaired
and should be readable buy all.
Our thanks to those who have placed orders and we will
continue to ship while supplies last. Some items have been
deleted as we have sold out. Will let you know when we have
a significant update.
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