[Jewelry making - Article 00298] - Re: [Orchid] Disputing all opal cracks theory

[MillsGem]

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Dear Christine,

    I certainly agree with of most of what you say, but will have to
    take great exception to your inference that most opal sources
    produce crack free opal. There are some opal localities that rarely
    produce crack free opal ( i.e. Virgin Valley, Nevada ), some that
    have a high rate of cracking, ( Queretaro, Mex. ) and some that
    almost never crack ( your own Lightning Ridge ) 

    While you may perceive that spreading rumours about opal instability
    is a threat to your industry I would suggest that your greatest
    threat is the pervasive spread of jewelry made with man made opal.
    Oddly enough one of your most illustrious residents there at the
    "Ridge" has done much of the pioneering work in opal synthesis. 

    Yes.....education is the best antidote to ignorance. We all have to
    keep an open mind and explore every aspect of a problem before we
    can form an enlightened perception.  

Ron Mills , 
Mills Gem Co. Los Osos, Ca.

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