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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: 83β100. |
| Liversidge 1887, Minerals of New South Wales |
| Collection of RJ Martin correlated to similar exposures. |
| [Opal-A var. Opal-AN] Minerals in podiform chromitites - Tumut Serpentinite Province, Southern New South Wales, Graham, Franklin and Marshall, 2001, Australian Journal of Mineralogy 7(1). |
| Wray, R.A.L. (2001): Alunite formation within silica stalactites from the Sydney Region, South-eastern Australia. International Journal of Speleology 40, 109-116. |
| England, Brian M. (1994) Minerals of the Prospect Intrusion, New South Wales, Australia. The Mineralogical Record, 25 (3) 185-194 Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp. |
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| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003 |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003 |
| Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville. - Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| aracic |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003 |
| Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003 |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| aracic |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003 |
| Aracic, Stephen (1999), Rediscover Opals in Australia, published 1999 by the Kingswood Press. |
| Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville |
| Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville |
| Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003 |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville |
| Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. - Australian Opal Centre web site http://www.australianopalcentre.com/ aracic |
| aracic |
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| www.walkinmine.com.au (n.d.) http://www.walkinmine.com.au/ABOUT.php |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville aracic |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| Smith, E. & R. (1999): Black Opal Fossils of Lightning Ridge - Treasures from the Rainbow Billabong, Kangaroo Press, East Roseville |
| aracic |
| [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 |
| Caucia, F., Ghisoli, C., Marinoni, L., & Bordoni, V. (2013). Opal, a beautiful gem between myth and reality. Neues Jahrbuch fΓΌr Mineralogie-Abhandlungen: Journal of Mineralogy and Geochemistry, 190(1), 1-9. |
| Refs. Cram, L. (2004): A Journey with Colour, Vol 2, Part B - A History of Lightning Ridge Opal 1873-2003, Len Cram. |
| aracic |
| [Opal-AN var. Hyalite] Sorrell, Steve (n.d.) Personal communication. |
| [Opal-A var. Opal-AN] specimen in collection |
| Sorrell, Steve (n.d.) Personal communication. |
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Coocoran Opal Fields, Lightning Ridge, Finch Co., New South Wales, Australia