Card No: 12354       Created: 15/08/25    Last edition: 06/04/2026

Name: GERMANOSILICATE_K_Pb_Ca
Specification: [1]
Formula: K1.46Pb1.54Ca[Ge0.23Si0.77]3O9(OH)0.54 · 0.46H2O
Symmetry Class: orthorhombic
Space Group: P mn2(1)
Unit Cell
Parameters:
a = 14.0879 | b = 5.9202 | c = 13.0465
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 1088.13
Number of Atomic Position
per full Unit Cell
:
P/U = 70 Molar Volume, cm3/mol: Vm = 163.85
Number of Reflexes used in
Structure Determination
:

NR = 3643
X-ray density, g/cm3: p = 4.49
R-factor: R = 0.0388MU, 1/cm: µ = 656.297
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 146.198
Theta-Interval for CPDP: T/I = 1-45