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crystals in tumbler?



 
 
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  #11  
Old July 23rd 03, 08:53 PM
Dr. Sooz
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I think it depends on the cut of the crystal. Briolettes chip really easily,
etc. It's the edges you'd worry about.

With PMC we tumbled both fused class and lab created stones that were fired
in the silver. I'm sure a crystal would have been fine; I would not have
hesitated. My only question is whether a rotory tumbler would be any harder

on it than a vibrating tumbler was.

A natural crystal (rock) is full of plains and will chip. But I am quite
sure the lead that's added to glass to make crystal makes it much stronger.
Which is why they can makes such fine, thin stemware.

Tina



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  #12  
Old July 23rd 03, 09:44 PM
Christina Peterson
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We were using the vibrating tumblers for work hardening as well, in the PMC
class, though it was an expensive one and may have had another motion
besides the vibration.

Tina


"vj" wrote in message

ah - okay, in one of the other groups where they were discussing
tumblers, they said that "vibrating tumblers work for polishing, but
not for work-hardening".



  #13  
Old July 23rd 03, 09:48 PM
Christina Peterson
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Are the crystals you have that chip easily also Swarovski?

You know, one caution about tumbling that I didn't think of before, pertains
to ABs. The finishes applied to crystals are just a thin coating. I think
those would be easily damaged by tumbling.

Tina


"vj" wrote in message
...
vj found this in rec.crafts.beads, from "Christina Peterson"
:

]My only question is whether a rotory tumbler would be any harder
]on it than a vibrating tumbler was.

ah - okay, in one of the other groups where they were discussing
tumblers, they said that "vibrating tumblers work for polishing, but
not for work-hardening".

personally, i would probably put crystal in a vibrating tumbler, but
probably not chance it in a rotary.

lead would make the crystal harder, but i thought that also made it
brittle. and admittedly, i'm thinking of the crystal i have [ovals
and snowflakes] that chip VERY easily, just trying to wire wrap them!


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  #14  
Old July 24th 03, 02:47 AM
C Ryman
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A vibrating tumbler polishes much faster than a rotary tumbler. I have a
rotary tumbler and only put the uncapped dichroic glass (fused) & PMC in for
1 hour and it was OK. I don't know about little beads, probably bad news
for AB or luster coatings.

--
Connie Ryman
Cryman Studio
www.eclecticbeadery.com
"Christina Peterson" wrote in message
news:[email protected]..
With PMC we tumbled both fused class and lab created stones that were

fired
in the silver. I'm sure a crystal would have been fine; I would not have
hesitated. My only question is whether a rotory tumbler would be any

harder
on it than a vibrating tumbler was.

A natural crystal (rock) is full of plains and will chip. But I am quite
sure the lead that's added to glass to make crystal makes it much

stronger.
Which is why they can makes such fine, thin stemware.

Tina


"C Ryman" wrote in message
...
I think fused glass can stand maybe an hour of shot tumbling.

--
Connie Ryman
Cryman Studio
www.eclecticbeadery.com
"RA" wrote in message
news
Thanks - I guess the only thing to do is try it and see what happens.


"RA" wrote in message
news:[email protected]..
Is it ok to put silver jewelry with swarovski crystals into a

tumbler
with
stainless steel shot?
thanks!










  #15  
Old July 24th 03, 03:09 AM
Carol in SLC
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But I am quite sure the lead that's added to glass to make crystal makes it
much stronger.

I have often had Swarovski crystals chip when wire wrapping them. This doesn't
happen unless the wire is next to the cystal itself, so I try to put something
else, even just a seed bead, next to where the wire wrap will be. But having
them chip at all illustrates to me they are more fragile than they appear. I
would never try to tumple them with shot.

Carol in SLC
My eBay auctions:
http://cgi6.ebay.com/ws/eBayISAPI.dl...include=0&user
id=celestialbeads&sort=3&rows=25&since=-1&rd=1
  #16  
Old July 24th 03, 06:18 AM
Beadwear
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Hi Carol,
I've been tumbling my chains with crystals
with no problems at all. In fact, I just finished tumbling some ....1 of them
has crystals and a lampwork bead and the other 2 have crystals and porcelain
beads.
They were all tumbled for about 21/2 hours.
They came out of the tumbler all pretty and sparkly.
I don't tumble AB for sure.
Cisco


I

would never try to tumple them with shot.


  #17  
Old July 26th 03, 01:48 AM
Barbara Otterson
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On Tue, 22 Jul 2003 20:28:56 -0400, "Barbara Forbes-Lyons"
wrote:

I would think not - the shot would chip/break all the facets in the crystal.

Someone correct me if I'm wrong...


I tumble almost all of my jewelry as a final finish.
If the stones are relatively hard, they get set first and
tumbled with everything else. Crystals too.
Remember, you're just tumbling. It's a rubber
barrel making slow turns, just rolling and rolling.
Just like sea glass in the ocean. Only the sand
gives the glass a matte finish. The steel gives the
metal a shiny finish. I have set faceted gems and
tumble polished the finished piece. Why? Because
the metal is still flexible from the soldering. After
tumbling it's work-hardened and much harder to
set stones. Especially if you are bezel setting.
Barbara
Dream Master
www.dreamweaverstudio.com

"We've got two lives, one we're given,
the other one we make."
Mary Chapin Carpenter

  #18  
Old July 29th 03, 03:23 AM
Deirdre S.
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I want to learn to bezel set stones. Any suggestions for sources of
info or training?

Deirdre

On Sat, 26 Jul 2003 00:48:05 GMT,
(Barbara Otterson) wrote:

After
tumbling it's work-hardened and much harder to
set stones. Especially if you are bezel setting.


  #19  
Old July 29th 03, 06:21 AM
Barbara Otterson
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On Tue, 29 Jul 2003 02:23:34 GMT, Deirdre S.
wrote:

I want to learn to bezel set stones. Any suggestions for sources of
info or training?

Deirdre

On Sat, 26 Jul 2003 00:48:05 GMT,
(Barbara Otterson) wrote:

After
tumbling it's work-hardened and much harder to
set stones. Especially if you are bezel setting.


Bezel setting is the simplest form of setting. Get
Tim McCreight's book "The Complete Metalsmith".
It tells you everything you need to know. You don't
even need a class for it.
Or, If you're ever in St. Louis, stop by for half an
hour and I'll teach you how.
Barbara
Dream Master
www.dreamweaverstudio.com

"We've got two lives, one we're given,
the other one we make."
Mary Chapin Carpenter

 




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