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ATHENA

MINERALOGY

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Mineral: JACOBSITE-Q
Name: Jacobsite-Q
Formula: Mn2+(Fe3+,Mn3+)2O4
Crystal System: Quadradic (Tetragonal)
Group: Spinel supergroup. Oxyspinel group. Spinel subgroup
References: AM 65 (1980), 406); Zeitschrift für Kristallographie 185 (1988), 605; EJM 31 (2019), 183
Type Locality: Gozaisho mine, Iwaki, Fukushima pref., Japan
Comments: A polymorph of jacobsite

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