The first detailed study characterizing an emerald type from Afghanistan that has recently become available in the gemstone trade has been prepared by a team of scientists from the Swiss Gemmological Institute (SSEF) and published in the most recent edition of Journal of Gemmology. Must read.
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.
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Saturday, March 27, 2021
New High-Quality Emerald Type
Thursday, March 04, 2021
Saturday, January 30, 2021
Unique Raindrop Pattern Of Turquoise From Hubei, China
Raindrop turquoise is a recently recognized and characterized pattern with a saturated coloration resembling raindrops. This turquoise is very rare but popular in the Chinese gem trade. Take a look at the insightful GIA research report.
Thursday, January 21, 2021
Cookie Monster Agate
I think this is probably the most perfect Cookie (Sesame Street) Monster-like agate out there. This is very unusual. Collectors, take note.
Monday, November 30, 2020
Azurz
Rockhounds. Gemstone cutters. Lapidary artists. Get to know Azur and Jesse McHugh.
Tuesday, August 18, 2020
Peridot From Changbai Mountains, China
Useful links:
https://www.nationaljeweler.com/diamonds-gems/supply/9101-there-s-a-new-peridot-mine-in-the-changbai-mountains
https://www.fuliperidot.com
Monday, December 16, 2019
Citrine At Its Best
Useful links:
https://www.gempalace.com
https://www.jckonline.com/editorial-article/8-jewels-citrine
Tuesday, November 26, 2019
Singapore Emerald Auction
Useful link:
https://www.gemfieldsgroup.com/news-and-announcements
Saturday, November 09, 2019
State Of The Colored Stone Market
Useful links:
https://www.gemguide.com
https://rogerdery.com
https://www.madini.go.tz
https://resourcegovernance.org
http://www.mining.gov.mm
http://openjadedata.org
https://www.aweik.or.ke
https://www.nationaljeweler.com/diamonds-gems/social-issues/8223-state-of-the-colored-stone-market-building-benefits-at-home
Friday, November 08, 2019
Monday, October 21, 2019
Is It Really Possible To Know Where Your Jewelry Comes From?
Useful link:
https://www.jckonline.com/editorial-article/possible-know-jewelry-comes-from
Wednesday, October 02, 2019
Plume Agate From Iran
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-gemnews-plume-agate-from-iran
Monday, September 30, 2019
Inclusion-Rich Black Topaz From The Thomas Mountains, Utah
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-microworld-inclusion-rich-black-topaz-utah
Thursday, September 26, 2019
Large Faceted Gahnospinel
Useful link:
https://www.gia.edu/gems-gemology/spring-2019-labnotes-large-faceted-gahnospinel
Saturday, September 21, 2019
Tuesday, September 17, 2019
Saturday, September 14, 2019
Sphene
Useful link:
https://www.nationaljeweler.com/blog/8076-5-things-to-know-about-sphene
Friday, September 13, 2019
A Decade Of Ruby From Mozambique
Useful link:
https://www.gia.edu/gems-gemology/summer-2019-decade-of-ruby-from-mozambique