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They're blocking "hotlinking" by changing the picture when the referer is not their own website. Man they're tight on bandwidth! :rolleyes:

western hemisphere? I find this appellation a little intriguing although it seems to be a commonly used term. http://en.wikipedia.org/wiki/Western_Hemisphere Anyways, technically speaking French Polynesia and the Cooks are in the western hemisphere... ;)

Just discovered this thread after it being mentioned by Steve on Tom's thread. Here's a citation from a natural pearl dealer found on this blog:

Which one is it? http://www.cortezpearls.com/home/ http://www.perlas.com.mx/eng/index.html

They have seen a couple others just before yours, I'm sure it helped. The only reference to such pearls that I know of is the one I mentioned on this thread: https://www.pearl-guide.com/forum/natural-pearls/2032-nautilus-pearl.html#post20832

I would sell it before it's too late! :D

Nautilus it is, with little doubt.

CORRRECT

According to what Jeremy says, they would be second or third harvest formed from an existing pearl sac. They're not tissue nucleated as the pearl sac is already formed.

aloud .......

Here's another thread on this topic: https://www.pearl-guide.com/forum/natural-pearls/354-freshwater-keshi.html (and don't pay too much attention to Zeide Erskine's theories... :o )

"second generation pearls"? I don't think that would happen in freshwater mussels as these are virtually never regrafted to my knowledge. Freshwater petal pearls are first generation pearls as any other freshwater pearls. I'm not sure they qualify as keshi pearls as they're not by-products of...

It all depends on whether the farmer intends to re-nucleate the mollusc or not. If he does, then the harvest is done the same way as the nucleation process (slightly pryed open). If not, then the mollusc is just cut wide open and the pearl(s) retrieved... and the mollusc dies in the process...

orange, yellow... it all depends on the dilution level. I'm pretty sure I have seen a bottle of betadine on a pearl grafter desk before. They probably use it as an additional securrity...?

Does the illustration show this on the Strack book? It just seemed that the irritant was migrating through the shell, but what you describe makes more sense. Thanks.

A project undertaken by the OCEANIS research team in French Polynesia aims at developing a certification for the Tahitian pearls (something a bit similar to Champagne, some sort of AOC). This would be made technically possible with a mineral tracer (no radioactive stuff :D ), making it possible...

I'm afraid I don't have any hi-resolution pics of the ones above. Here's the nautilus one: About the Strack book and its pictures, there's an illustration that describes a very suprizing (and debatable) process. I don't have the book with me right now but I remember it's on page 126 or 126...

I vote for Nautilus too. But wait! This is the second-rarest pearl known? What is the rarest pearl known then? This is where the suspense really lies!

hehe ;) I wish I had a better one than the one I posted in the nautilus pearl thread!

I thought I had one of Cassis madagascariensis but can't find it right now.