Hanaleimom
Well-known member
- Joined
- Dec 27, 2007
- Messages
- 1,473
pearl
pearl
Josh,
The pearl was about 13mm. Drill hole was large to slide into leather cord. I think it's the perception created by the picture and the camera angle. I did not measure the nacre thickness; but remembered that it was somewhere around 1mm radius approximately just by looking after it was exploded. I tried calculating the actual nacre thickness (2nd picture seems to be a better representation of the pearl straight on) by using the ratio method: screen's nacre to the screen's whole diameter of the pearl then apply to the 13mm to solve for unknow nacre thickness. It turned out to be about .8mm or so. I think it is a close approximation by this calculation.
I also saw this video from PDT's website: http://www.perlesdetahiti.net/site/en/1663.html
(Les aventuriers de la perle noire). Or go to Main site>Showroom>Video. It's in French. The whole video is about 1 hour long, lots of interview with Robert Wan. Too bad there is no forward button. Towards the end of the video, I'd say 45 minutes, there are some scenes at the research laboratories. My French is pretty rusty now, so I couldn't understand most of it. They had footage of a few farms' pearls cut in half, one was Garfon or something like that. I saw mostly white nuclei. Who knows, it could be Miss. mussels and the brown striations could be very faint and I did not see it. I wrote to PDT asking about that footage; and whether they can tell me what kind of nucleus it is. That was a week ago. With the recent shake up, I don't know if or when I will get an answer.
pearl
Josh,
The pearl was about 13mm. Drill hole was large to slide into leather cord. I think it's the perception created by the picture and the camera angle. I did not measure the nacre thickness; but remembered that it was somewhere around 1mm radius approximately just by looking after it was exploded. I tried calculating the actual nacre thickness (2nd picture seems to be a better representation of the pearl straight on) by using the ratio method: screen's nacre to the screen's whole diameter of the pearl then apply to the 13mm to solve for unknow nacre thickness. It turned out to be about .8mm or so. I think it is a close approximation by this calculation.
I also saw this video from PDT's website: http://www.perlesdetahiti.net/site/en/1663.html
(Les aventuriers de la perle noire). Or go to Main site>Showroom>Video. It's in French. The whole video is about 1 hour long, lots of interview with Robert Wan. Too bad there is no forward button. Towards the end of the video, I'd say 45 minutes, there are some scenes at the research laboratories. My French is pretty rusty now, so I couldn't understand most of it. They had footage of a few farms' pearls cut in half, one was Garfon or something like that. I saw mostly white nuclei. Who knows, it could be Miss. mussels and the brown striations could be very faint and I did not see it. I wrote to PDT asking about that footage; and whether they can tell me what kind of nucleus it is. That was a week ago. With the recent shake up, I don't know if or when I will get an answer.
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