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Erionite series [abbr. Eri ]

Year of discovery: 1967 (Japan)

Locality list: 17 localities of erionite

• [ X²⁺₂ ][Al₄Si₁₄O₃₆],15H₂O

• [ Ca ]: Erionite-Ca
• [ K₂ ]: Erionite-K
• [ Na₂ ]: Erionite-Na

• Class: Chabazite group < Zeolite family
• Class: Tecto-Aluminosilicate - Zeolitic Water