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ATHENA

MINERALOGY

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Mineral: VONSENITE
Formula: Fe2+2Fe3+BO5
Crystal System: Orthorhombic
Group: Ludwigite group
IMA Number: 1920
References: NJMM (1974), 95; HB5 (2003); Acta Crystallographica B76 (2020), 543
Type Locality: Old City quarry, Riverside, Riverside Co., California, USA

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