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Tschernichite
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| Tschernichite Formula: Na.09 K.023 Mg.023 Ca.592 (Si5.835 Al2.165) O20.64 H20 Name: Tschernichite Unit cell: 17.983 17.966 14.625 90.0 114.31 90.0 , V=4306.12 Space group: C12/C1 (15) |
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: large crystal, monoclinic, Note: Ca1 occupancies invented to better represent crystal
