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Framework Type LEV
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| Type Material | ||||
| Material Name: | Levyne | |||
| Chemical Formula: | |Ca2+9 (H2O)50| [Al18Si36 O108]-LEV | |||
| Unit Cell: | ||||
| trigonal | R-3m (# 166) | |||
| a = 13.338Å | b = 13.338Å | c = 23.014Å | ||
| α = 90 ° | β = 90 ° | γ = 120 ° | ||
| Framework density: | 15.2 T/1000 Å3 | |||
| Channels: | |||
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8-ring viewed normal to [001]
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| References: | ||
| Barrer, R.M. and Kerr, I.S."Intracrystalline channels in levynite and some related zeolites",
Trans. Faraday Soc., 55, 1915-1923 (1959) Merlino, S., Galli, E. and Alberti, A."The crystal structure of Levyne", Tschermaks Min. Petr. Mitt., 22, 117-129 (1975) |
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