Card No: 6227       Created: 17/08/2005    Last edition: 05/04/2015

Name: DIOPSIDE
Specification: [83], structure type - diopside, Fe-analogue
Formula: Ca(Mg,Fe)(Si,Fe)2O6
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 9.8007 | b = 8.9002 | c = 5.3214 | beta = 105.8560
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 446.51
Number of Atomic Position
per full Unit Cell
:
P/U = 40 Molar Volume, cm3/mol: Vm = 67.24
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.55
R-factor: -MU, 1/cm: µ = 279.657
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 78.693
Theta-Interval for CPDP: T/I = 1-45