Delhayelite Structure Data

Delhayelite Structure Data
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Delhayelite

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Delhayelite.13252
Formula: K3.51 Na1.5 Ca2.5 Al Si7 O19 Cl.9 F2
Name: Delhayelite
Unit cell: 24.86 7.07 6.53 90.0 90.0 90.0 , V=1147.71
Space group: Pmmn (59)

Cannillo E , Rossi G , Ungaretti L , Rendiconti della Societa Italiana di Mineralogia e Petrologia , 26 (1970) p.63-75, The crystal structure of delhayelite

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