P.J.Joseph's Weblog On Colored Stones, Diamonds, Gem Identification, Synthetics, Treatments, Imitations, Pearls, Organic Gems, Gem And Jewelry Enterprises, Gem Markets, Watches, Gem History, Books, Comics, Cryptocurrency, Designs, Films, Flowers, Wine, Tea, Coffee, Chocolate, Graphic Novels, New Business Models, Technology, Artificial Intelligence, Robotics, Energy, Education, Environment, Music, Art, Commodities, Travel, Photography, Antiques, Watches, Random Thoughts, and Things He Like.
Translate
Showing posts with label treatments. Show all posts
Showing posts with label treatments. Show all posts
Monday, March 25, 2013
Thursday, February 28, 2013
Friday, October 26, 2012
Tuesday, October 09, 2012
Thursday, August 02, 2012
HPHT Amber
The World Gem Society report on HPHT Amber was interesting. Buyer beware.
Useful links:
http://www.icontact-archive.com/l-xV4bIuEzDeaYx0sgzRb7VgOhP0rXyw?w=2
http://www.worldgemsociety.org
Useful links:
http://www.icontact-archive.com/l-xV4bIuEzDeaYx0sgzRb7VgOhP0rXyw?w=2
http://www.worldgemsociety.org
Tuesday, July 17, 2012
Lead Glass–Filled Ruby Update
Jennifer-Heebner's report on lead glass treatments was educational and insightful. Many thanks.
Useful links:
http://www.jckonline.com/2012/05/20/red-alert-lead-glass-filled-ruby-saga-continues
Useful links:
http://www.jckonline.com/2012/05/20/red-alert-lead-glass-filled-ruby-saga-continues
Saturday, July 14, 2012
Rapaport Diamond Certification Conference
Watch the insightful video on grading language, issues and standards.
Useful links:
http://www.diamonds.net/News/NewsItem.aspx?ArticleID=40358&ArticleTitle=Watch+the+Rapaport+Diamond+Certification+Conference
http://www.worldgemservices.com
http://huntingtonjewelers.com
http://www.embeediatech.ca
Useful links:
http://www.diamonds.net/News/NewsItem.aspx?ArticleID=40358&ArticleTitle=Watch+the+Rapaport+Diamond+Certification+Conference
http://www.worldgemservices.com
http://huntingtonjewelers.com
http://www.embeediatech.ca
Wednesday, July 11, 2012
Tuesday, June 26, 2012
Diamond Disclosures
Avi Krawitz was spot on. Being honest to consumers and dealers is indeed the right thing to do.
Useful links:
http://www.diamonds.net/news/NewsItem.aspx?ArticleID=40193&ArticleTitle=Diamond%20Disclosures
http://www.worlddiamondcouncil.com
http://www.kimberleyprocess.com
http://www.igiworldwide.com
Useful links:
http://www.diamonds.net/news/NewsItem.aspx?ArticleID=40193&ArticleTitle=Diamond%20Disclosures
http://www.worlddiamondcouncil.com
http://www.kimberleyprocess.com
http://www.igiworldwide.com
Saturday, June 09, 2012
The Ruby Ruse
Jennifer Heebner was spot on. Buyer beware.
Useful links:
http://www.jckonline.com/2012/04/24/ruby-ruse-how-jewelers-can-avoid-lead-glass-filled-gems
http://www.antoinettematlins.com
http://www.aglgemlab.com
http://www.nygagroup.com
http://www.jvclegal.org
Useful links:
http://www.jckonline.com/2012/04/24/ruby-ruse-how-jewelers-can-avoid-lead-glass-filled-gems
http://www.antoinettematlins.com
http://www.aglgemlab.com
http://www.nygagroup.com
http://www.jvclegal.org
Saturday, April 21, 2012
Tuesday, April 10, 2012
Gem Treatment Update
Stuart Robertson was spot on. The biggest problem today is correctly identifying treated from non-treated gemstones and it is becoming nearly impossible with the best gem testing equipment available, period. Sad really.
Useful links:
http://www.gemguide.com
http://www.agta.org
http://gemstone.org
http://www.palagems.com
Useful links:
http://www.gemguide.com
http://www.agta.org
http://gemstone.org
http://www.palagems.com
Friday, March 02, 2012
Jewelers Grading Their Own Diamonds
Rob Bates was spot on. There is no easy answer. There are good gem testing laboratories and they good a good job detecting treatments/synthetics, and even help recover stolen goods. We are living in interesting times.
Useful links:
http://www.jckonline.com/1999/07/01/going-cert-less
http://www.jckonline.com/2011/12/21/why-jewelers-are-doing-their-own-diamond-grading
http://www.jckonline.com/blog/Cutting_Remarks/16050-De_Beers_Gets_Into_the_Lab_Business.php
http://www.jckonline.com/blogs/cutting-remarks/2011/06/08/vegas-blogging-problem-diamond-certs
Useful links:
http://www.jckonline.com/1999/07/01/going-cert-less
http://www.jckonline.com/2011/12/21/why-jewelers-are-doing-their-own-diamond-grading
http://www.jckonline.com/blog/Cutting_Remarks/16050-De_Beers_Gets_Into_the_Lab_Business.php
http://www.jckonline.com/blogs/cutting-remarks/2011/06/08/vegas-blogging-problem-diamond-certs
Thursday, February 09, 2012
Thursday, January 19, 2012
AGTA Gem Fair Tucson 2012
Gemological seminars at every level--from basic to advanced. Don't miss.
Useful link:
http://www.agta.org
Useful link:
http://www.agta.org
Thursday, December 15, 2011
Monday, November 21, 2011
Friday, November 04, 2011
Special Report On Red Feldspar
Excellent research on sources + treatments + identification + disclosure.
Useful link:
http://www.giathai.net
Useful link:
http://www.giathai.net
Wednesday, October 26, 2011
Tuesday, August 09, 2011
Diamond-like Coatings
An interesting story on plowshares coated with diamond-like carbon (DLC).
Useful link:
http://www.ise.fraunhofer.de
Useful link:
http://www.ise.fraunhofer.de
Subscribe to:
Posts (Atom)