Opal Resources for Download
The following outside resources are available for download in PDF format and require Adobe Reader.
To download a file, please right-click on the link and select 'Save Target As'.
- OPAL Mineral Information Leaflet - QLD Govt. Dept. of Mines & Energy - October 2000.
- Opal Minfact - NSW Department of Primary Industries - January 2000.
- Strategic Assessment of the Australian Opal Industry - by David Horton (Opal Horizon) May 2001.
- Australian Sedimentary Opal - Why is Australia Unique? - by David Horton December 2002.
- What you should know about buying opal - Jewellery Association of Australia
- The origin of precious opal - by Byron Deveson
- Opal mining in Lightning ridge, review of environmental factors - NSW Dept. of Primary Industries
- A history of gem mining in NSW - NSW Dept. of Mineral Resources
- Mining at Lightning Ridge - NSW Dept. of Mineral Resources