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ATHENA

MINERALOGY

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Mineral: HELVINE
Formula: Mn4Be3(SiO4)3S
Crystal System: Cubic
Group: Feldspathoid group. Sodalite group. Helvine subgroup
IMA Number: 1817
References: MM 40 (1976), 627; HB2/1 (1995)
Type Locality: Brüder Lorenz Grube and Friedefürst Grube, Breitenbrunn, Erzgebirg, Sachsen (Saxony), Germany

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