AN article written in French from our colleagues in the French Gemmological Association
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Paul Downings article on Ethiopian Opal
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A journal article from Gems and Gemmology on the occurrence of Precious opal in Ethiopia
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AN article regarding the special digit patterns in Ethiopian Gem opal
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An excerpt of the history of White Cliffs
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The White Cliffs Royal Commission
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Quarterly Notes NSW Geological Survey-White CLiffs
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A view of the town of White Cliffs
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The photo is provided from the Sherman Archives, a wider view shows the township of White Cliffs in NSW in 1906. The text excerpt in this post is from the NSW Department of Mines, Technical Reports Volume 7 1959 and discusses the occurrence of opal in White Cliffs written by R. E. Relph.
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