ATHENA MINERALOGY |
Mineral: | ERSSONITE |
---|---|
Formula: | CaMg7Fe3+2(OH)18(SO4)2.12H2O |
Crystal System: | Rhombohedral (Trigonal) |
Group: | Hydrotalcite supergroup. Wermlandite group |
IMA Number: | 2021-016 |
References: | MM 85 (2021), 817; AM 107/2 (2022), 318 |
Type Locality: | Lagban (Långban) mine, Filipstad district, Värmland county, Sweden |
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