Articles
7 Oct 2026
Laboratory Recreations of Opal Formation Processes Yield Insights into Silica Nanostructure EvolutionResearchers in materials science have turned to controlled laboratory environments to replicate the slow geological processes that create natural …
23 Sep 2026
Fluorescence Analysis Techniques Uncover Hidden Authenticity Markers in Opaline SpecimensResearchers in gemology labs have turned to fluorescence analysis as a precise method for identifying authenticity markers within opaline specimens, …
2 Sep 2026
Regulators Tighten Rules on Australian Opal ExportsThe Australian government has introduced stricter regulations on the export of opals from the country. These measures are designed to safeguard the …
2 Sep 2026
Ethiopian Miners Report Record Black Opal YieldsMiners in Ethiopia's northern regions have reported unprecedented yields of black opal this quarter, with several sites exceeding previous production …
2 Sep 2026
Australia Tightens Opal Export RegulationsThe Australian government has implemented new measures to tighten controls on opal exports, responding to growing issues with unauthorized mining and …
