[Jewelry making - Article 00365] - Re: [Orchid] Diamonds unanswered

[MillsGem]

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All,

    G.G.'s comparison of pegmatites and diamond pipes is a very good
    example of how rare diamonds are compared to the gemstones that
    might be found in pegmatites. Brazil is the prime example. The
    pegmatite belt in Brazil is roughly 800 miles long and 300 miles
    wide. There are literally hundreds of thousands, maybe even millions
    of pegmatite veins throughout......all of them are mineralized. Only
    the cost of mining precludes their continued exploitation.We will
    certainly exhaust the diamond deposits long before we run out of
    pegmatite possibilities...... 

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

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