Lévyne

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The original "lévyne" has been renamed "lévyne-(Ca)" to differentiate it from "lévyne-(Na)", which was named as a mineral species in 1997.
Formulae:
lévyne-(Ca): Ca₃(Si₁₂Al₆)O₃₆.18H₂O
lévyne-(Na): Na₆(Si₁₂Al₆)O₃₆.18H₂O
Tectosilicates (framework silicates), zeolites

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