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ATHENA

MINERALOGY

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Mineral: WALTHIERITE
Formula: BaAl6(SO4)4(OH)12
Crystal System: Rhombohedral (Trigonal)
Group: Alunite-Jarosite group. Alunite subgroup
IMA Number: 1991-008
References: AM 77 (1992), 1275; NM 90-94 (1997); HB5 (2003)
Type Locality: Reina vein, Tambo mining distr., Coquimbo region, Chile

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