Crystal Structure of Petarasite


The Canadian Mineralogist (1980) 18, 503-509


Mineral namePetarasite
FormulaCa0.2Cl0.75H4.37Na4.8O20.37Si6Zr2
a (Å)10.7956
b (Å)14.4928
c (Å)6.6229
α (°)90
β (°)113.214
γ (°)90
V (Å3)952.316
Space groupP 1 21/m 1