Card No: 5736       Created: 03/11/2003    Last edition: 25/03/2015

Name: DIOPSIDE
Specification: [93], structure type - diopside, analogue
Formula: [Ca0.61Fe0.13K0.17(Mg,Mn,Na)0.1][Al0.61(Mg0.39]Al0.39Si1.61O6
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 9.7730 | b = 8.9260 | c = 5.2690 | beta = 105.7500
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 442.38
Number of Atomic Position
per full Unit Cell
:
P/U = 40 Molar Volume, cm3/mol: Vm = 66.62
Number of Reflexes used in
Structure Determination
:

NR = 869
X-ray density, g/cm3: p = 3.24
R-factor: R = 0.0315MU, 1/cm: µ = 244.166
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 75.372
Theta-Interval for CPDP: T/I = 1-45