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ATHENA MINERALOGY |
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ATHENA MINERALOGY |
| Mineral: | FRIEDRICHBECKEITE |
|---|---|
| Formula: | K(▢0,5Na0,5)2(Mg0,8Mn0,1Fe0,1)2(Be0,6Mg0,4)3[Si12O30] |
| Crystal System: | Hexagonal |
| Group: | Milarite supergroup |
| IMA Number: | 2008-019 |
| References: | Min. Pet. 96 (2009), 221; AM 99 (2014), 2084; EJM 38 (2026), 121 |
| Type Locality: | Bellerberg volcano, Ettringen, Eastern Eifel volcanic area, Rheinland-Pfalz, Germany |
| Comments: | ▢ = vacancy |
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