The tissue is essential, because it forms what is called the "pearl sac" — the place from which the pearl begins to build slowly, layer by layer , through successive deposits of nacre .
Pearls are the jewels of the sea, formed organically in the depths of the water, and continue to "breathe" even after they have been harv...
Pearls are the jewels of the sea, formed organically in the depths of the water, and continue to "breathe" even after they have been harv...
Pearls are the jewels of the sea, formed organically in the depths of the water, and continue to "breathe" even after they have been harv...
Pearls are the jewels of the sea, formed organically in the depths of the waters.
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