Card No: 12364       Created: 15/09/25    Last edition: 05/04/2026

Name: LOBANOVITE
Specification: [4], 2M, structure type - astrophyllite 2M, DN
Formula: K2Na[Fe3MnMg2Na]Ti2Si8O24(OH,O)6
Symmetry Class: monoclinic-beta
Space Group: C 2/m
Unit Cell
Parameters:
a = 5.3329 | b = 23.1500 | c = 10.3844 | beta = 99.6000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 1263.92
Number of Atomic Position
per full Unit Cell
:
P/U = 102 Molar Volume, cm3/mol: Vm = 380.65
Number of Reflexes used in
Structure Determination
:

NR = 1918
X-ray density, g/cm3: p = 3.14
R-factor: R = 0.0280MU, 1/cm: µ = 234.947
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 74.853
Theta-Interval for CPDP: T/I = 1-45