AM_Tremolite_11 Formula: Si8 Mg5.08 Ca1.92 O22 F2 Name: Tremolite Unit cell: 9.8182 18.032 5.2699 90.0 104.68 90.0 , V=902.54 Space group: C12/M1 (12)

Jenkins D M , Hawthorne F C , The Canadian Mineralogist , 33 (1995) p.13-24, Synthesis and rietveld refinement of amphibole along, the join Ca2Mg5Si8O22F2 - NaCa2Mg4Ga3Si6O22F2, Sample: TREM 19-3, Locality: sythetic