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Just looking to see if i can get some insight into the correlation of nacre thickness and lustre quality in cultured pearls According to the wikipedia article on nacre, argonite structures are 0.5 nanometers in thickness Most of the online resources i've read that explain pearl quality and grading seem to assert that in cultured saltwater pearls, a thicker deposit of nacre.
Mop also contains water and binding proteins secreted by the mollusks, the most important being conchiolin. So, obviously nacre is comprised of alternating layers of calcium carbonate (in the form of argonite) alternating with layers of biopolymers Pearl nucleus defined a pearl nucleus is a bead or other object implanted into the gonad of a marine mollusk or into an existing pearl sac in the gonad or mantle of a freshwater mussel around which nacre deposition occurs
The pearl nucleus and nucleation/grafting pearl farms vary depending on.
There are no standards for nacre thickness in south sea pearl production, at least not in the way there is in french polynesia If the pearl is baroque it could definitely have thinner nacre on one side than the other, and thinner nacre does not mean the. Hi all, came across these photos of an antique (natural ?) pearl and am naturally find it very interesting I have wondered before what is the actual cause of missing nacre such as this pearl displays in abundance
Could it be a parasite Or could it be something else inside the oyster. He may peel the nacre to sell it, then reuse the nucleus Or apply a treatment to the pearl that will change its appearance and increase its value
If the pearl is a good candidate for treatment, this is the most common and economically sensible approach for the farmer
Thank you, for the pearl also Homogeneous nacre allow this special colour effect, as if colours of reliefs and hollow parts doing cumulative actions, and so much as carving is deep, up to a limit, when light can't touch the bottom of carving It's why i am desolate about so thin nacre around many pearls. 1 produces a solid nacre cultured pearl that is indistinguishable from the original, real, natural, wild, pearls 2 the resultant pearls can be judged by any of the original, authentic, pearl standards for natural pearls
Hello recently my wife was trying on a pair of half pearl earrings and the nacre popped of the bead in her hand It looks to me that it has been glued once before?
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