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ATHENA

MINERALOGY

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Mineral: THAUMASITE
Formula: Ca3Si(OH)6(CO3)(SO4)(H2O)12
Crystal System: Hexagonal
Group: Ettringite group
IMA Number: 1878
References: MM 32 (1960), 416; HB2/2 (1995); L 3 (2003), 41
Type Locality: Bjelkesgruvan, Åreskuta (Areskuta), Jämtland, Sweden

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