07-02-2008, 06:35 PM
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 | Super Moderator Senior Pearl-Guide.com Pearl Expert | | Join Date: Jun 2004 Location: Santa Monica, CA
Posts: 2,563
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| Currently it is 24 to 32 for the first graft (12 to 16 on either side of the valve). The shells can be returned to the water to grow regenerated "keshi" and petal pearls as well as beaded pearls. |