[Jewelry making - Article 00543] - Re: [Orchid] Andamooka opal

[Lee Einer]

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Hi, All-

    I also have purchased Andamooka matrix, and what I have purchased is
    porous enough that it needs surface treatment in order to take an
    acceptable polish. I have spoken with dealers in this rough who have
    confirmed that this material normally requires such treatment in
    addition to the sugaring and acid bath. 

    If you all have  worked Andamooka matrix which does not require
    Opticon (basically a two part epoxy) treatment, well, I'm happy for
    you. But I don't believe that is the norm for this type of rough. --
    Lee Einer 

    http://www.members.home.net/appealsman  

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