ATHENA MINERALOGY |
Mineral: | BROWNMILLERITE |
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Formula: | Ca2(Al,Fe3+)2O5 |
Crystal System: | Orthorhombic |
Group: | Perovskite supergroup. Non-stoichiometric. Brownmillerite subgroup |
IMA Number: | 1963-017 |
References: | NJMM (1964), 22; HB3 (1997); EJM 17 (2005), 623 |
Type Locality: | Ettringer Bellerberg, Mayen, Laacher See Area, Eifel, Rheinland-Pfalz, Germany |
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