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  1. Cyril Roger Brossard

    Basidiomycota perlus or the strange mushroom pearl

    SSEF 2013. In 2012, we again received a number of pearls with strange shapes for testing. The most extravagant and intriguing of these curiosities of nature was a non-nacreous brownish natural pearl from a marine mollusc, which closely resembled a mushroom (see photos). The pearl showed some...
  2. Cyril Roger Brossard

    Radiocarbon age dating of pearls

    As seen in the FACETTE of 2013. Apart from constantly updating our equipment for our scientific pearl testing procedure, we also invest much effort evaluating new scientific approaches for pearl characterisation and testing. In this context, we started a research project a few years ago in...
  3. Cyril Roger Brossard

    A little honesty in Pearl Farming is in order

    Good for them! However and due to the spirit of competition, I would just hope that said competition will not read this thread and will continue to purchase nuclei from other suppliers... Now may I ask what is your reaction to this: "New developments in cultured pearl production: use of organic...
  4. Cyril Roger Brossard

    Plastic nuclei used in pearls?

    You may measure the diameter and the mass, the subsequent measurement would tell if the pearl is off chart (too light) as to confirm the possibility of organic polymer... plastic is synthetic, the polymer is organic... plastic is about 1,175 Nacre is about 2,750 Same as Jeremy, plus plastic...
  5. Cyril Roger Brossard

    History of pearls to wow at autumn V&A exhibition

    As seen in Professional Jeweller of April 18 2013. The V&A museum in London is set to host a large-scale historical exhibition of more than 200 pieces of pearl jewellery and pearl objets d'art. The showcase will open in September with an array of historical pearl jewellery, artwork and objects...
  6. Cyril Roger Brossard

    Cassis? South Sea. Help, not sure what this is. Thank You

    Then the post lacked accuracy.
  7. Cyril Roger Brossard

    New Akoya Mother Oyster Specie Innovated.

    Pattye, I am not convinced that this is good news, genetically modified species tend to disrupt natural population, Japan got huge problems because of their advance genetic program on Akoya, they eventually were able to create dominant weak shells that affected their whole industry... China...
  8. Cyril Roger Brossard

    New Akoya Mother Oyster Specie Innovated.

    Hi, could you please clarify your statistical report? 1- is mortality 28.85% or 9.47%? 2- what is pearl rate? retention? if yes how many months after cultivation? is the percentage 87.3% or 49.1%? 3- are those haploid or diploid? Thank you for the info, this could be interesting.
  9. Cyril Roger Brossard

    Cassis? South Sea. Help, not sure what this is. Thank You

    Thanks for confirming my allegations. Maybe the pearl described in post#6 is not round (perfect round that is less than 2.5% ∆ Height and width)?
  10. Cyril Roger Brossard

    Looking for a friend/mentor in the Philippines

    Wendy and Caitlin, GH is not anymore the sole location for FWP, in fact as far as I can recollect FWP are found anywhere, may it be department store carrying jewelry section (well all of them really), or domestic airport outside Luzon, on every beaches bordering a resort with potential foreigner...
  11. Cyril Roger Brossard

    Pacific research aims to boost pearl farms' fortunes

    Interesting, especially this part: I remember in my first post about farming in Bali Indonesia asking the forum if they thought that cleaning would eventually affect the ecosystem and possibly induce a localized degeneration of the farm. I was told that such had no major effect. Josh seems to...
  12. Cyril Roger Brossard

    GIa: pearls warm up against the skin ?do you know why?

    as seen on GIA website: A jewelry store?s pearl counter is a fascinating place. These enchanting gems have represented beauty and perfection ever since man discovered them in ancient times. They have been the subject of countless tales of history, beauty, myth and elegance. The Arabian Gulf...
  13. Cyril Roger Brossard

    Gender & Jewels Q&A: Robert Tateossian

    As seen in Professional Jeweller - Apr 12, 2013 As part of our April issue we took a closer look at how gender shapes jewellery design and the rise of androgynous jewellery styles. Robert Tateossian, managing director of Tateossian, shares his views. Professional Jeweller: Do androgynous or...
  14. Cyril Roger Brossard

    Cassis? South Sea. Help, not sure what this is. Thank You

    If I may, and based on my modest experience: NO, all 10 mm do not have an identical mass. I am quite curious about the kind of nuclei used in Indonesia, as 1.8 grams (or 0.4801 momme) would be roughly equivalent to a 10.78 millimeter South Sea Pearl (values based on a few hundred of thousand of...
  15. Cyril Roger Brossard

    Marc'Harit, 10 YEARS OF Premium Quality...

    As seen in 'Design Ure Smykker - 2,2013' (roughly translated from Scandinavian) A Tahitian pearl collection of 220 beads, a rented room as home and office, and cycling in the blizzard, it was Marc'Harit environment for ten years ago. Since then there have been many more gems, the bike is used...
  16. Cyril Roger Brossard

    Store?s 222-meter pearl necklace a record, unpriced

    An article found on The National. OSAKA ? A 222-meter-long pearl necklace, certified by Guinness World Records as the world?s longest, is on display at a Hanshin department store in the city of Osaka. The necklace, which weighs about 20 kg and is comprised of 28,000 pieces of 8 mm pearls, was...
  17. Cyril Roger Brossard

    Updates on the Tahiti Pearl Consortium

    An article by ML written the 9th of April 2013. Translate with google: Created on February 8 by a decision of the elected assembly Polynesia, mixed economy company TPC sensible rebooster sector pearl has all the trouble to meet the 15% of private shareholders necessary for the opening of its...
  18. Cyril Roger Brossard

    Hodel Switzerland... Pearl website

    You may be interested in viewing this website, it has a nice design and some pictures are worth it... Hodel. Sample: Hodel South Sea pearl strand with 95 pearls (13-16.7mm). Hodel South Sea pearl earrings with diamond in 750 yellow gold. Hodel South Sea pearl ring with diamond in 750 yellow...
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