[meteorite-list] (no subject)

From: mafer <mafer_at_meteoritecentral.com>
Date: Thu Apr 22 10:08:24 2004
Message-ID: <005c01c2599c$d5edd8e0$6401a8c0_at_vs.shawcable.net>

Hi Joseph and list
it was opticon. if you go to my website, I show how to make a chamber for
lower vacumms (not high, near absolute)...www.domafer.com use the pulldown
menu and go to treating matrix opal
Mark

> -----Original Message-----
> From: Joseph Murakami [mailto:murakamij004_at_hawaii.rr.com]
> Sent: Tuesday, September 10, 2002 11:39 PM
> To: mafer
> Subject: Re: [meteorite-list] (no subject)
>
>
> Yours are excellent suggestions and the sort of comments on this
> list that I
> look forward to reading. Thanks so much for your suggestions. I've
> polished opals and I've dealt with preservation issues with my pallasites,
> my Brenham 10" platter, my Mt Vernon, and unhappily, my Brahin, also a 10"
> platter. Opticon has been tried, as have thick epoxy coats, but alas, the
> rusting goes on beneath the veniere of epoxy. I think your method might
> work, especially in conjunction with the vacuuming. I've not worked with
> fracture sealers and am curious where sources might be for such a product.
> I'm already thinking that the old fashion dessication chambers with the
> vacuum valve at the tops, if one can be located, might be ideal for your
> vacuum method... I'll go search the Internet for gemstone preservatives,
> but any sources would be appreciated. Thanks for your time...
>
> Joseph
> Honolulu
>
>
> ----- Original Message -----
> From: "mafer" <mafer_at_domafer.com>
> To: "meteor central" <meteorite-list_at_meteoritecentral.com>
> Sent: Tuesday, September 10, 2002 5:12 PM
> Subject: [meteorite-list] (no subject)
>
>
> > Greetings list
> >
> > I'm seeing many questions about presurvation of meteorites and am
> wondering
> > if what we do with opal and turquoise wouldn't help some. What we do is
> > place the rocks in a container filled with (not to the top mind
> you, just
> > enough to cover the stones) fracture sealer WITHout the
> hardener. This is
> > then place in a vacumm chamber and evacuated til the sealer starts
> > outgassing (bubbles and foams). At this point the valve on the
> chamber is
> > closed and the setup is allowed to sit for a few hours to allow all the
> air
> > and moisture to excape. When the valve is reopened and pressure
> allowed to
> > return to room normal, the stone sucks in the sealer where once moisture
> and
> > air was before. Then, remove the stones from the sealer and paint on
> > hardener. The hardener seeps in where the sealer went and hardens it and
> > thus we strenghen the stone and preserve it. On gemstones, this glossy
> outer
> > covering is usually ground away in the formation of a gemstone for
> jewelry,
> > but on a meteorite, it would also be removed from surfaces that were
> > polished to show structure.
> >
> > Mark
> >
> >
> >
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> >
>
>
Received on Wed 11 Sep 2002 10:09:25 AM PDT