Polyhalite Structure Data

Polyhalite Structure Data
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Polyhalite

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Polyhalite_1
Formula: K2 Ca2 Mg S4 O18 H4
Name: Polyhalite
Unit cell: 11.69 16.33 7.6 91.6 90.0 91.9 , V=1449.46
Space group: F-1 (2)

Schlatti M , Sahl K , Zemann A , Zemann J , Tschermaks Mineralogische und Petrographische Mitteilungen , 14 (1970) p.75-86, Die kristallstruktur des polyhalits, K2Ca2Mg(SO4)4(H2O)2

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