about KESHI PEARLS & LARGE 30 mm KESHI
VINTAGE KESHI PEARL NECKLACE at Sassy
South Sea Keshi pearls are usually
very small in size. You can find them on the internet and although
they are called large, they usually are only about 10 or 12
mm. It is extremely extremely rare to find keshi pearls at 30 mm
in diameter. But that is what I found at a Scottsdale, Arizona
Keshi pearls are formed after the
cultured pearl is removed, either on purpose or the oyster has spit
it out. Then a pearl sac is formed. Keshi
pearls are exceptionally lustrous because they are 100% solid nacre!!
Extra large Keshis are very very rare. These pearls are
approximately 1 and 1/4" long by 1" to 1 and 1/4" wide - that's over
30 mm in diameter!!!
So, why are they not found more often? That's because today,
South Sea pearl farms have a process where they x-ray oysters to see
if the core has been expelled. If there is no core at the center, the
mollusc is either discarded or another core or nucleus is put in it
to form a round pearl. A mollusc without a nucleus has to be kept
alive for a long time to form a large sac. Collecting several
LARGE ones, enough to make a necklace must have taken many many
years. And these keshi pearls most likely were collected by a pearl
farmer and then made into a necklace.
Pearls are the June birthstone and
they are also popular for 3rd wedding anniversaries.
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