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Australia | |
- Australian Capital Territory
| [Opal-A var. Opal-AN] McQueen, Ken G. J. R. Caldwell P. W. Millsteed (July 1988). "Primary and Secondary Minerals at the Paddy's River Mine, Australian Capital Territory". Australian Mineralogist 3: 83–100. |
| John Whitehouse (2015) Geologic Evolution of Miocene Diatomite Occurrences, New South Wales, Australia |
| Wray, R.A.L. (2001): Alunite formation within silica stalactites from the Sydney Region, South-eastern Australia. International Journal of Speleology 40, 109-116. |
| Oskierski, H. C., Dlugogorski, B. Z., & Jacobsen, G. (2013) Sequestration of atmospheric CO₂ in chrysotile mine tailings of the Woodsreef Asbestos Mine, Australia: Quantitative mineralogy, isotopic fingerprinting and carbonation rates, Chemical Geology, vol. 358, 156-169. |
| [var. Precious Opal] W. Curran (1896) Occurrence of precious stones in N.S.W. Journal and Proceedings of the Royal Society of New South Wales, 30, 214-271 |
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- Glasshouse Mountains Province
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| [Opal-A var. Opal-AN] W.D.Birch & D.A.Henry 1993. Phosphate Minerals of Victoria. The Mineralogical Society of Victoria special publication No. 3 pp 67-77 |
| [Opal-A var. Opal-AN] Birch, W. D., Henry, D. A. - Eds. (1993) Phosphate Minerals of Victoria. Special Publication 3. Mineralogical Society of Victoria |
| [Opal-A var. Opal-AN] Sorrell, Steve (n.d.) Personal communication. |
Wombat Hole prospect, Morass Creek gorge, Dartmouth, Towong Shire, Victoria, Australia