23/06/2017
• Stacey Lim
The quality of colour can be dissected into vibrancy, evenness, pattern and, in some cases, uniqueness; however, what on earth causes it? This series is dedicated to exploring the different causes of colour in gemstone minerals. STACEY LIM reports.
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25/02/2016
• Megan Austin
Australia currently ranks as the world’s third-largest producer of diamonds by weight and is estimated to supply 20-million carats this year, mostly from the underground operation at the Argyle mine. MEGAN AUSTIN reports.
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29/05/2014
• Megan Austin
More than 110 million carats of diamonds are mined each year but only 2,000 carats are fancy-coloured diamonds. Megan Austin reports on the real rock stars of the gemstone world.
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29/10/2013
• Megan Austin
Will the Australian opal industry ever outgrow its association with poor quality, mass-produced triplet jewellery? And what about those rumours that opal is bad luck? Megan Austin goes digging.
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