AM_Hingganite-(Yb)
Formula:
(Y1.02 Yb.72 Ca.26) Fe.13 Be2 Si2 O10 H2
Name:
Hingganite-(Yb)
Unit cell:
9.888 7.607 4.74 90.0 90.45 90.0 , V=356.52
Space group:
P121/A1 (14)
Yakubovich O V , Matvinenko E N , Voloshin A V , Simonov M A , Kristallografiya , 28 (1983) p.457-460, The crystal structure of hingganite-(Yb), (Y0.51Yb0.36Ca0.13)Fe0.065Be[SiO4](OH)