Card No: 11910       Created: 30/08/23    Last edition: 04/04/2026

Name: LAVEROVITE
Specification: [1], "distorted" structure type - astrophyllite, DF
Formula: K2Na(Mn,Fe)7(Zr,Ti)2Si8O26(OH)4F
Symmetry Class: triclinic
Space Group: P 1(-)
Unit Cell
Parameters:
a = 5.4329 | b = 11.9232 | c = 11.7491 | alpha = 112.9000 | beta = 94.7000 | gamma = 103.2000
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 670.14
Number of Atomic Position
per full Unit Cell
:
P/U = 59 Molar Volume, cm3/mol: Vm = 403.65
Number of Reflexes used in
Structure Determination
:

NR = 3757
X-ray density, g/cm3: p = 3.37
R-factor: R = 0.0326MU, 1/cm: µ = 228.371
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 67.711
Theta-Interval for CPDP: T/I = 1-45