Roedderite Structure Data

Roedderite Structure Data
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Roedderite

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Roedderite_4
Formula: K.8 Na.64 (Mg4.25 Fe.75) Si12 O30
Name: Roedderite
Unit cell: 10.126 10.126 14.326 90.0 90.0 120.0 , V=1272.13
Space group: P6/MCC (192)

Alietti E , Brigatti M F , Capedri S , Poppi L , Mineralogical Magazine , 58 (1994) p.655-662, The roedderite-chayesite series from Spanish lamproites:, crystal chemical characterization, Locality: Cancarix, Albacete province, Spain

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