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ATHENA

MINERALOGY

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Mineral: HOPMANNITE
Formula: Ba2(Ti5Fe)O13
Crystal System: Monoclinic
Group: Jeppeite group
IMA Number: 2025-034
References: EJM 37/5 (2025), 696; EJM 37/5 (2025), 698; Min. Pet. 120 (2026), 227
Type Locality: In a xenolith, Bellerberg volcano, Seekante district, Eastern Eifel region, Germany

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