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ATHENA

MINERALOGY

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Mineral: THOMSONITE-Ca
Formula: Ca2Na[Al5Si5O20].6H2O
Crystal System: Orthorhombic
Group: Zeolite group. Thomsonite series
IMA Number: 1997 s.p.
References: AM 77 (1992), 685; HB2/2 (1995); EJM 10 (1998), 1037; L 9 (2020), 8; AM 95 (2010), 495
Type Locality: Old Kilpatrick, Dumbarton, Scotland, United Kingdom

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