Card No: 12394       Created: 19/11/25    Last edition: 10/04/2026

Name: AMMONIOLASALITE
Specification: [1]
Formula: [NH4]2Mg2[V10O28] · 20H2O
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 24.4780 | b = 10.9413 | c = 17.5508 | beta = 119.3000
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 4100.87
Number of Atomic Position
per full Unit Cell
:
P/U = 408 Molar Volume, cm3/mol: Vm = 617.53
Number of Reflexes used in
Structure Determination
:

NR = 3628
X-ray density, g/cm3: p = 2.36
R-factor: R = 0.0357MU, 1/cm: µ = 216.922
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 91.923
Theta-Interval for CPDP: T/I = 1-45