15/09/2026
• Yuliya Lebedyeva
Australia’s Northern Territory has long been celebrated for its dramatic outback landscapes — vast red plains, ancient mountain ranges and some of the oldest rocks on Earth. A place where geology dominates the horizon.
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14/08/2026
• Yuliya Lebedyeva
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11/08/2026
The Gemmological Association of Australia (GAA) is Australia’s long-established gemmological educator.
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07/07/2026
• Yuliya Lebedyeva
When gold miners began washing gravel through their pans in the 1850s, few realised they were uncovering more than gold.
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08/06/2026
• Tanya Cerny
South Australia has a varied geology, which has provided a favourable environment for many different types of minerals and gems. South Australia is well known for its opal deposits; however, it also has a plethora of other minerals and gems.
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06/05/2026
• Kathryn Wyatt
Tasmania is not known for a single marquee gemstone in the way Queensland is for sapphire or Lightning Ridge for opal, yet it has a rich and varied gemstone story.
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06/05/2026
• David Heiderich
The advent of the Victorian gold rush from the 1850s onward also led to the discovery of a remarkable variety of gem minerals, such as sapphire and ruby, as well as diamond, gems not usually associated with Victoria in modern times.
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10/03/2026
Western Australia’s gemstone reputation has long rested on its world-renowned fancy colour diamonds from the Kimberley region, together with pearls and pearl shell from the state’s northwest.
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12/02/2026
• Kathryn Wyatt
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27/11/2025
• Jacinta Mainstone
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16/10/2025
• Kathryn Wyatt
Pearling has a long and fascinating history in Australia. In the late 19th century, pearl luggers traversed the waters around Broome in search of Pinctada maxima, the large oyster prized not for its pearls but for its lustrous mother-of-pearl shell.
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10/09/2025
• Natalie Hambly
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13/08/2025
• Teaghan Hall
Australia’s ancient landscape hosts rock formations dating back billions of years, making it an important location for geological research. Australia is home to hundreds of varieties of gemstones; however, a few gemstones have become a unique part of the country's history.
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16/07/2025
• Damien Cody
Hidden behind clouds of economic uncertainty, bureaucratic red tape, and workforce challenges, there’s a bright future on the horizon for the Australian opal industry. DAMIEN CODY provides a framework for reaching the maximum potential of opal.
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09/07/2025
• Natalie Hambly
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