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Australia | |
| Nickel, Ernest H., Gartrell, Blair J. (1993) Secondary Minerals from Ashburton Downs, Western Australia. The Mineralogical Record, 24 (3) 203-218 |
| Nickel, Ernest H., Gartrell, Blair J. (1993) Secondary Minerals from Ashburton Downs, Western Australia. The Mineralogical Record, 24 (3) 203-218 |
| Simpson Mineral Collection of the Western Australian Museum. |
| Copper Mineralisation in Western Australia by R.J. Marston 1979. |