Harkerite Structure Data

Harkerite Structure Data
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Harkerite

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Harkerite
Formula: Mg8 Ca24 B8 Si8 C8 Al2 O81 Cl H2
Name: Harkerite
Unit cell: 18.131 18.131 18.131 33.46 33.46 33.46 , V=1613.62
Space group: R-3M (166)

Giuseppetti G , Mazzi F , Tadini C , American Mineralogist , 62 (1977) p.263-272, The crystal structure of harkerite

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