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  1. #1
    Pearl Enthusiast Senior Pearl-Guide.com Pearl Expert Pearl Dreams's Avatar
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    Default "Natural Shell Blisters and Blister Pearls: What’s the Difference?" GIA article

    Interesting GIA article, for any who have not yet seen it.

    "Natural Shell Blisters and Blister Pearls: What’s the Difference?"

    https://www.gia.edu/gia-news-research/natural-shell-blisters-and-blister-pearls?

  2. #2
    Museum Pearl Senior Pearl-Guide.com Pearl Expert BWeaves's Avatar
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    Default

    Thank you. Interesting read.

  3. #3
    First-graft Pearl
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    Default

    Thank you for sharing too. An interesting and sometimes complex topic. Good to see some guidelines to refer to available in the public domain.

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