Dubai Pearl Diamond New Fashion Jewellery Pendent Necklace Set.
By Aamir Mannan Shiakh.
Whether wild or cultured, gem-quality pearls are almost always nacreous and iridescent, like the interior of the shell that produces them. However, almost all species of shelled mollusks are capable of producing pearls (formally referred to as "calcareous concretions" by some sources) of lesser shine or less spherical shape.
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