Around the World

Fossicking in the Outback

Carmen Garcia-Carballido FGA DGA L.Geology MSc. EurGeol travelled to the southern hemisphere to find out more about the opals and…

Field Trip: The 'Emerald Desert' in Western Australia

Author, British jewellery designer and Gems&Jewellery contributor Joanna Angelett describes her recent gemmological trip to Western Australia. We decided to…

Exploring a Spectrum of Diamonds with the Aurora Pyramid of Hope

Curator Alan Bronstein reveals how the world-renowned Aurora Pyramid of Hope evolved and shares the story behind his lifelong passion…

Exploring Inclusions in a Twelve Point Black Star Sapphire

This article by Guy Lalous ACAM EG summarises a technical article from The Journal of Gemmology discussing a giant 12-rayed black star…

Gem Central Sri Lanka - A Gem of an Island

An extraordinary number of Gem-A and NAJ members came to this month's Gem Central to hear Colin and Hilary Winter…

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…

Zircon from Vietnam: Properties and Heat Treatments

This article by Guy Lalous ACAM EG summarises a study on the gemmological and physical properties of brown zircon from…

Ruby and Pink Sapphire from Aappaluttoq, Greenland

This article by Guy Lalous ACAM EG summarises a study of the geology, gemmological and physical properties of rubies and…

An Interview with Dr Jeffrey Post of the Smithsonian Institution

Claire Mitchell FGA DGA talks to Dr Jeffrey Post, chairman of the Department of Mineral Sciences and curator of the…