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ATHENA

MINERALOGY

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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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