Card No: 12260       Created: 29/01/25    Last edition: 02/04/2026

Name: MAGNESIOVESUVIANITE
Specification: [1], "distorted" structure type - vesuvianite, DN
Formula: Ca19Mg(Al,Mg)8Al4[SiO4]10[Si2O7]4(OH)9
Symmetry Class: tetragonal
Space Group: *P 4/n
Unit Cell
Parameters:
a = 15.5362 | c = 11.7960
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 2847.24
Number of Atomic Position
per full Unit Cell
:
P/U = 260 Molar Volume, cm3/mol: Vm = 857.50
Number of Reflexes used in
Structure Determination
:

NR = 3266
X-ray density, g/cm3: p = 3.34
R-factor: R = 0.0270MU, 1/cm: µ = 325.716
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 97.594
Theta-Interval for CPDP: T/I = 1-45