|
ATHENA
MINERALOGY |
| Mineral: | STURMANITE |
| Formula: | Ca6(Fe3+,Al,Mn2+)2(SO4)2[B(OH)4](OH)12 · 25H2O |
| Crystal System: | Hexagonal |
| Strunz Nr: | 6/D.13-50 |
| Group: | Ettringite Group |
| References: | CM 21 (1983), 705; HB5 (2003) |
| Type Locality: | Kuruman, Cape Province, South Africa |