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Final spaces remaining for our FEEG preparation workshop in June 💡 This is a great opportunity to sharpen your practical skills and explore a range of testing methods and instruments beyond what’s typical in other gem courses: gem-a.com/event/beyond-t… 📸 Gabriel Kleinberg

Japanese techniques of pearl restoration in the latest Gems&Jewellery 📚 Ayako Naito dives into the methods used when a pearl is damaged. Gem-A Members: gem-a.com/publications/g… 📸 Pearls affected by the Great East Japan Earthquake, The Pearl Science Laboratory Co. Ltd.

Inclusions in natural emerald 💚 Emeralds are rarely flawless. Inclusions can help confirm natural origin and indicate locality, making them valuable markers for gemmologists. Start learning today: gemintro.gem-a.com 📸 Pyrite in emerald, by Gabriel Kleinberg.

The Gem-A team has arrived in Idar-Oberstein for the DGemG 50th Anniversary Conference – a celebration of the German Gemmological Association’s full-time training centre for gemmology 💎 This is guaranteed to be an insightful weekend of lectures and keynote sessions.

We had a wonderful visit to Idar-Oberstein for the DGemG 50th Anniversary Conference 💎 The event was organised to celebrate a big milestone for the German Gemmological Association and its full-time training centre for gemmology. #GemAofGB #IdarOberstein #DGemG

Our Meet the Author series continues with Rui Galopim de Carvalho FGA DGA 📚 Rui will join us to discuss his book Gempedia. 📷 Thursday, June 5 📷 18:00 – 20:00 (GMT) 📷 Tickets £15 - £25 Book tickets and find out more here: gem-a.com/event/meet-the…

What is this yellow flash?⚡️ If you’re seeing this in the May birthstone, it is a sign of treatment to enhance an emerald’s appearance. Many are fracture-filled, and when light hits these areas at certain angles, it can produce a yellow or blue flash. 📸 Netherlands Gem Lab

Exam season is just around the corner, so it’s time to sharpen your gemmology skills! 💎 Whether you're revising RI readings, practising with the polariscope, or reviewing inclusion ID, constant hands-on testing makes the difference. Study with us: gem-a.com/education/

Don’t miss more great speakers in our 2025 Meet the Author series 📚 Both events will take place at Gem-A London (Ely Place) from 6 PM to 8 PM. Tickets are available to purchase here: gem-a.com/resources/even… Shop gemmology books via Gem-A Instruments: shop.gem-a.com

Synthetic ruby may have feathers containing white or yellow translucent flux, which is indicative of flux-growth 🔴 Join our next group of students in September 2025: gem-a.com/education/stud… Study online over the summer with the Gem-A GemIntro course: gemintro.gem-a.com

Our Meet the Author series continues with Maggie Campbell Pedersen FGA 📚 Maggie will join us on Thurs, June 12, to share insights from her book, Tortoiseshell, which explores the historical use of tortoiseshell worldwide. Book tickets: gem-a.com/event/meet-the…

Have you witnessed this under the polariscope? 🔍 Single-crystal varieties of quartz may show a unique diagnostic feature along the optic axes called a bull’s-eye interference figure. This may be modified by twinning, resulting in what is known as Airy’s spiral. 📸 Pat Daly

Labradorite displays an optical effect known as labradorescence 💡 The lamellar twinning and alternating layers of calcium-rich (anorthite) and calcium-poor (albite) plagioclase create the characteristic shift of hues. Study with us: gemintro.gem-a.com 📸 G. Kleinberg

How is your exam revision going? ⏰ Now’s the time to revisit your notes, revise key concepts, and reinforce everything you’ve worked so hard to understand. We are hosting a drop-in day on Monday, June 16, to help with your upcoming practical exams: eventbrite.co.uk/e/gemmology-dr…

Hands-on practice makes all the difference 🔍 Whether you're using the refractometer, polariscope or loupe, now’s the time to build confidence with your equipment. How is your revision coming along? Attend our revision day at Gem-A London: eventbrite.co.uk/e/gemmology-dr… #GemAofGB

For Father’s Day, we are celebrating some of the ‘founding fathers’ of Gem-A who helped to shape the study of gemmology, both in the UK and internationally 📚 📸 Sir James Walton, Robert Webster, Basil Anderson and Eric Bruton. Our Heritage Series: gem-a.com/resources/news/

Gem-A examinations are due to start in the next few days… are you ready? 🍀 We will kick off with Diamond Diploma Theory on Friday, June 20, with Gemmology Foundation and Gemmology Diploma exams due to commence next week. 📌 What advice do you have for our nervous students?

Don’t miss our Diamond Grading & Identification Lab Class 💎 This 5-day in-person diamond grading course with a final exam will take place at Gem-A London, from July 7, 2025. Secure your place: gem-a.com/education/stud… 📸 Synthetic HPHT pink diamonds, Gabriel Kleinberg.

Gemmology Foundation and Gemmology Diploma examinations are taking place next week! 🤯 We know some of you are feeling nervous, but don’t panic. All your hard work, commitment, and training have helped to prepare you for this moment. Good luck ✨🍀 #GemAofGB #studygemmology

There’s still time to celebrate moonstone, one of three birthstones for the month of June 🌕 Moonstones are a variety of the mineral feldspar known for their adularescence—a soft, billowy glow that appears to float beneath the surface. Read more: gem-a.com/gem-hub/unders…