AM_Fluoro-edenite_4 Formula: O24 (Si7.6 Al.4) Mg4.6 Fe.6 Ca1.3 Na1.2 Mn.06 K.24 Name: Fluoro-edenite Unit cell: 9.7935 17.9728 5.2746 90.0 104.403 90.0 , V=899.24 Space group: C12/M1 (12)

Andreozzi G B , Ballirano P , Gianfagna A , Mazziotti-Tagliani S , Pacella A , American Mineralogist , 94 (2009) p.1333-1340, Structural and spectroscopic characterization of a suite of fibrous amphiboles, with high environmental and health relevance from Biancaville (Sicily, Italy), Locality: Biancaville, Sicily, Italy, Sample Name: Sample 4