[Rockhounds] Rockhounds Digest, Vol 4, Issue 6

[John Scully]

Don't think so.  I put several in varsol and nothing happened.  I put a few
in muriatic acid before leaving for Chicago, so will be curious if that
makes a difference when I get home Monday.

☺

On Fri, Apr 14, 2017 at 5:07 PM, Bart Heymans <bart.heymans at gmail.com>
wrote:

> Hi,
>
> Could the coating be shellac?
>
> Regards,
>
> Bart Heymans
> Op do 13 apr. 2017 om 21:00 schreef <
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> >    1. Cleaning Thai Rubies (John Scully)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Wed, 12 Apr 2017 14:03:15 -0600
> > From: John Scully <jscully216 at gmail.com>
> > To: Rockhounds <rockhounds at lists.drizzle.com>
> > Subject: [Rockhounds] Cleaning Thai Rubies
> > Message-ID:
> >         <CAB2BCLZ0p2G8izxG9Ga=GRwr_JqMrGhAMPrUEhikRD50LPN0=
> > w at mail.gmail.com>
> > Content-Type: text/plain; charset=UTF-8
> >
> > Hi,
> >
> > I just got back from Thailand and, among new treasures, is a bag of
> bright
> > but lesser quality rubies and sapphires.  They are heavily coated with
> > something that brings out their color but looks fake -- waxy, shiny.  At
> > first I thought it was just some acrylic or shellac, but neither alcohol
> > nor varsol touches it.  OI can scratch it with a knife, but that is all.
> >
> > Any ideas on what it is and how on earth to get rid of it??
> >
> > Thanks
> > John Scully
> > ?
> >
> >
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> > End of Rockhounds Digest, Vol 4, Issue 6
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