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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25/11/2015
• Megan Austin
The GAA’s Australian gemstone series continues with chrysoprase, a gemstone that is said to bring good fortune and prosperity to those who wear it. MEGAN AUSTIN reports.
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28/09/2015
• Megan Austin
It is said that opal is the luckiest gemstone of all because it contains the colour of every other gemstone. According to MEGAN AUSTIN, this really does make Australia the lucky country for it provides more than 95 per cent of the world’s opal.
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07/10/2010
Australia’s national gemstone is also one of the most complicated to cut. GAA opal experts Anthony Smallwood and John Krook explain why it is an art form in its own right.
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12/09/2009
• Staff Journalist
Australia is the world leader in opal production and produces 95 per cent of the precious gemstone. As such, opal is regarded Australia’s national gemstone.
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