The Gemmological Association of Australia (GAA) is Australia’s long established gemmological educator. Since 1945, the Association has been responsible for producing Australia’s gemmologists by educating and updating members of the gem and jewellery industry and the general public, about all aspects of gemstones and their substitutes.
Rod Hook and Associates
Rod Hook and Associates
Professional Services
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112 - 118 Grenfell Street
Adelaide SA 5000 - 0434 604 756
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Mark Nixon Consulting
Mark Nixon Consulting
Professional Services
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55 Gawler Place
Adelaide SA 5000 - (08) 8212 6855
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