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