Opal from Hamersley Basin, Western Australia, Australia
Australia | |
| [Opal-A var. Opal-AN] BHP |
| [var. Opaline] Marston, R. J. (1979) Copper mineralization in Western Australia. Mineral Resources Bulletin 13. Geological Survey of Western Australia |
Australia | |
| [Opal-A var. Opal-AN] BHP |
| [var. Opaline] Marston, R. J. (1979) Copper mineralization in Western Australia. Mineral Resources Bulletin 13. Geological Survey of Western Australia |