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Tschernichite
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| Tschernichite_1 Formula: Na.08 Mg.08 K.11 Ca.89 (Si13.26 Al2.74) O40.34 H30 Name: Tschernichite Unit cell: 12.634 12.634 26.608 90.0 90.0 90.0 , V=4247.11 Space group: P4122 (91) |
Alberti A , Cruciani G , Galli E , Merlino S , Millini R , Quartieri S , Vezzalini G , Zanardi S , Journal of Physical Chemistry , B106 (2002) p.10277-10284, Crystal structure of tetragonal and monoclinic polytypes of tschernichite,, the natural counterpart of synthetic zeolite beta, Locality: Mt. Adamson, Northern Victoria Land, Antarctica, Sample: small crystal, tetragonal, Note: Mg position adjusted to match reported bond lengths, Note: Ca and Mg occupancies invented to better represent crystal
