Formula: (Ca1.94 K.01 Na.05) Al.01 Fe.12 Mg4.85 Mn.02 Si8 O23.96 F.03 Cl.01 H1.96
Name: Tremolite
Unit cell: 9.84174 18.05932 5.27876 90.0 104.732 90.0 , V=907.38
Space group: C12/M1 (12)

Ballirano P , Andreozzi G B , Belardi G , American Mineralogist , 93 (2008) p.1349-1355, Crystal chemical and structural characterization of fibrous tremolite from, Susa Valley, Italy, with comments on potential harmful effects on human health, Locality: Condove, Susa Valley, Italy