Crystal Structure of (Na1.14K0.40Ca3.64Sr0.21)(Al9.21Si26.88)O72*25.2H2O

Id1544855
Common name(Na1.14K0.40Ca3.64Sr0.21)(Al9.21Si26.88)O72*25.2H2O
Mineral namenatural heulandite at 200 C
a (Å)17.716(6)
b (Å)17.584(4)
c (Å)7.452(3)
α (°)90
β (°)116.70(2)
γ (°)90
V (Å3)2073.9(12)
Space groupC 1 2/m 1
Publication: Journal of Mineralogical and Petrological Sciences (2008) 103, 61-76