OPAL CARVING-DANIELA L'ABBATE
An extract from a book produced by Daniela L’Abbate an opal carving specialist, originally working in Lightning Ridge, NSW. More information from : www.opalcarving.com
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A journal article from Gems and Gemmology on the occurrence of Precious opal in Ethiopia
In this Article, Neville Curtis and his colleagues discuss new information regarding the mineralogical varieties of opal
The article in this issue of the Australian Gemmologist was for its time a ”land breaking” discussion on opal nomenclature.
The article in this issue of the Australian Gemmologist was for its time a ”land breaking” discussion on opal nomenclature.