| Document Date: 2012-08-29 04:29:36
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City Sydney / / Country Australia / / IndustryTerm opal mining terms / opal mining / / Organization Department of Mines and Energy / Australian Gemstone Industry Council / / Person Opal South / Opal Gemstones / / ProvinceOrState South Australia / / Region South Australia / Australia South Australia / /
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193 Books and CD Jack contributed to many publications on topics related to Australian gemstones, particularly opal. Opal