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MINERALOGY

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Mineral: ERIONITE-Ca
Formula: (Ca0,5,K,Na)10[Al10Si26O72].30H2O
Crystal System: Hexagonal
Group: Zeolite group. Erionite series
IMA Number: 1997 s.p.
References: HB2/1 (1995); AM 83 (1998), 577; EJM 10 (1998), 1037; Minerals 9 (2019), 83
Type Locality: Mazé, Niigata pref., Japan

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