[Jewelry making - Article 00093] - Re: [Orchid] Strange opal experience

[Renate Sommer]

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>      Sounds like potch opal. 

    Not potch, potch is clear transparent opal with little or no play of
    colour. You mean opal matrix which is porous and "treatable". 

    Not sure what sort of opal Brenda at David Lees was talking about.
    I'm only familiar with the South Australian opals but as I've said
    before, I would never put an opal in anything other than ordinary
    water. Put an Australian opal in a soapy solution and you will lose
    the play of colour sooner or later depending on the porosity of the
    stone. That's the nice thing about opals... you will rarely find two
    the same. So treat them all with respect. 

Cheers for now, Renate

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