Fe3+2O(SO4)2ยท7H2O
Bright orange oxidation products of pyrite were tentatively identified as amarantite (Noble et al, 1983*).
Selected Australian Occurrences:
- Mutooroo Mine, South Australia.
- Waukaringa Mine, South Australia
* Noble, R.J., Just, J. and Johnson, J.E. (1983). Catalogue of South Australian Minerals.
