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ATHENA

MINERALOGY

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Mineral: HIELSCHERITE
Formula: Ca3Si(OH)6(SO4)(SO3).11H2O
Crystal System: Hexagonal
Group: Ettringite group
IMA Number: 2011-037
References: MM 76 (2012), 1133
Type Locality: Graulay quarry, Hillesheim, Eifel, Rheinland-Pfalz (Rhineland-Palatinate), Germany

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