AM_Kosmochlor_3 Formula: Si2 (Cr.478 V.428 Mg.056 Al.033 Ti.003 Fe.001 Mn.001) (Ca.055 Na.945) O6 Name: Kosmochlor Unit cell: 9.6072 8.7413 5.2771 90.0 107.172 90.0 , V=423.41 Space group: C12/C1 (15)

Secco L , Martignago F , Dal Negro A , Reznitskii L Z , Sklyarov E V , American Mineralogist , 87 (2002) p.709-714, Crystal chemistry of Cr-V-rich clinopyroxenes, Sample 1