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manufacturing process of pearl stone nigeria

A cultured pearl undergoes the same process The only difference is that the irritant is a surgically implanted bead or piece of shell called Mother of Pearl These seeds or nuclei are most often formed from mussel shells Quality cultured pearls require a sufficient amount of time generally at least 3 years for a thick layer of nacre ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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