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ATHENA

MINERALOGY

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Mineral: UNGEMACHITE
Formula: K3Na8Fe3+(SO4)6(NO3)2.6H2O
Crystal System: Rhombohedral (Trigonal)
IMA Number: 1938
References: AM 23 (1938), 314; AM 71 (1986), 826; HB5 (2003)
Type Locality: Chuquicamata, Antofagasta, Chile

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