AM_Gittinsite
Formula:
Zr Ca Si2 O7
Name:
Gittinsite
Unit cell:
6.852 8.659 4.686 90.0 101.69 90.0 , V=272.26
Space group:
C121 (5)
Roelofsen-Ahl J N , Peterson R C , The Canadian Mineralogist , 27 (1989) p.703-708, Gittinsite: A modification of the thortveitite structure