Welcome to the Gem-A Blog. Here, you will find up-to-date information on the latest news and trends, exclusive features and regular reports from a host of gemmology insiders. Each month we will share highlights from our printed publications and take you behind-the-scenes at our popular Gem Central events. Would you like to submit an article for the Blog? Email us on This email address is being protected from spambots. You need JavaScript enabled to view it.


Gem Central Delving into Organics with Maggie Campbell Pedersen FGA ABIPP

Gem Central Delving into Organics with Maggie Campbell Pedersen FGA ABIPP

Gem-A president and organics expert Maggie Campbell Pedersen presented the April Gem Central at Gem-A headquarters. Angharad Kolator Baldwin reports on this fascinating evening...

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Nuummite – the Origin of Colour

Nuummite – the Origin of Colour

This article by Guy Lalous ACAM EG summarises a technical article from The Journal of Gemmology discussing the origin of colour and conditions of formation in violet-to-blue Nuummite from Simiuttat, Greenland...

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Gem Central Exploring Ruby Treatments with Julia Griffith FGA DGA EG

Gem Central Exploring Ruby Treatments with Julia Griffith FGA DGA EG

Gem-A gemmology and diamond tutor Julia Griffith FGA DGA EG led a gem central titled Exploring the Differences between Glass In-filled, Flux Healed and Lead Glass-filled Ruby, in an informative and engaging gem central evening. Julia summarises the evening here for those that missed out...

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Digital Gems and Instagram Stars: How the Internet Is Boosting Gemmology

Digital Gems and Instagram Stars: How the Internet Is Boosting Gemmology

Holly Mowle, a current Gem-A Diploma Student, discusses how the internet has become a treasure trove of lapidary and jewellery items, old and new. In this article she explores the use of web space platforms by lapidaries today to develop a virtual artistic presence.

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