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ATHENA

MINERALOGY

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Mineral:KIRCHERITE
Formula:[Na90Ca36K18]sigma=144(Si108Al108O432)(SO4)36 · 6H2O
Crystal System:Rhomboedral (Trigonal) pseudo Hexagonal
Strunz Nr:8/J.09-35
Group:Cancrinite-Sodalite group Cancrinite subgroup
References:AM 97 (2012), 1494
Type Locality:Valle Biachella, Sacrofano, Roma (Rome), Lazio (Latium) Italy

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