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I must admit to finding conch and melo concretions with pronounced colour and flame quite attractive, even very attractive, even ver, very attractive. Yes, what you write is true, flame should be judged on its own merit and not compared to orient/iridescence. But I maintain my view on clam...

What??? Ultra-thick nacred pearls have a profound chatoyance?? I thought the optical effect described as "chatoyance" was found on non-nacreous pearls exhibiting a flame pattern.(??????)---like a conch or melo. Doesn't ultra-thick nacre gives extraordinary iridescence and orient??? I've never...

Dr. Stern distinctly writes: "of South Sea size and mollusk", and freshwaters cannot possibly come from a SS mollusk. At least not to my knowledge. So they are tissue nucleated saltwater pearls the size South Sea pearls and from their matching molluscs! Oh DOUBLE WOW! South-Sea-sized tissue...

I erroneously thought the discussion was about the likely misidentification of Nautilus p. pearls; the misuse(I think) of the word "pearl" for non-nacreous lumps; and the persistent astronomical valuations given to old-butt-ugly calcium blobs when there is no one on record ever having paid...

Why yes, yes, Caitlin(you evil genius), it does seem that Zeide G. Erskine from Sea Cliff, California has violated the patent in question!! I just knew the LAW would catch up with her sooner or later. Slraep

Hi Gail, Aha! When I wrote ""The Pearl of Allah" and all its lesser lumps of lard "relatives"", that is one of the relatives I meant! The Pearl Professor blog had an article about the same lesser lump of lard a while ago and all I can say is that it was an exact mirror of my own sentiments...

The CIBJO wants us to use our grey matter and imagine that the big-and-gross, bad-mojo-generating-cold-lump-of-lard lamentably known as "The Pearl of Allah" and all its lesser lumps of lard "relatives", are true pearls????? Enough written! I rest my case!!! Perhaps having normally working...

Another contender MIGHT be an albino Triplofusus giganteus(horse conch)?? They sure are purdy.

Some kindda clam, some kindda pasty complexioned conch.... Both pearls and non-nacreous porcelaneous lumps(oids)(with or without flame) are calcareous concretions. Both spring forth from calcite except that in a pearl, the calcite present is in a very fine crystalline form called aragonite...

I concur with JNorris! Pearls exhibiting a flame pattern such as the famous "Melo pearl" or "Queen conch pearl" come from a mollusc who's interior is non-nacreous, hence producing a non-nacreous pearl(with different degrees of flame pattern from very little, to a lot). The Nautilus shell, in...

All I know is I'm not buying it.

Did you notice there is also no clasp. Not even one of those ubiquitous cheap Indian stamped-gold jobs. Slraep

100% Chinese cultured freshwater pearls. The vendor's description is quite funny and far fetched but this particular part is hilarious: ( For the sake of comparison, think of what it would cost to just buy 173 Huge Premium Oysters - without any Huge Baroque Pearls in them!) Slraep

INVASION OF THE GIANT OYSTERS "Seafood bites back" http://findarticles.com/p/articles/mi_qn4158/is_/ai_n24405714

According to this article in in JKC, all Raymond C. Yard pieces made between 1920-1950 have been documented. The natural pearl necklace in question should be identifiable either through the still existing company or a jewellery historian. Clasps on Raymond C. Yard's natural pearl strands were...

I've come to the same conclusion. There is another thing behind major CO2 release, though. It is animal farming. Animal farming is one of the biggest causes of deforestation, hence not only facilitating CO2 release into the atmosphere, but also generating another greenhouse gas, nitrous...

Alison, They are lovely... Do you also have the bill of sale from purveyor Raymond Yard describing the necklace? You always get top dollar for an item for which provenance can be proved. Would the original clasp have had some hallmark from Raymond Yard? Did Raymond Yard pearl clasps have...

Is it just me or does anyone else find the lustre on the pearls to be very akoya-like. The shapes look like they may be naturals but I can't get over the lustre and colour matching! I'd love to see the certificate, though. Would put my doubts to rest. If it is the real thing, it is very...

Ah yes, well, the French have historically always been a very quiet and shy people with not much to say, so I understand completely. I like the way you wrote a message to yourself though---very creative. I gotta try that.

Good point. Slraep