Card No: 1200       Created: 19/07/1990    Last edition: 13/01/2009

Name: DIOPSIDE
Specification: [26], structure type - diopside, syn, at 1330oC
Formula: CaMgSi2O6
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 9.7470 | b = 8.9235 | c = 5.2524 | beta = 105.9390
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 439.28
Number of Atomic Position
per full Unit Cell
:
P/U = 40 Molar Volume, cm3/mol: Vm = 66.15
Number of Reflexes used in
Structure Determination
:

NR = 394
X-ray density, g/cm3: p = 3.27
R-factor: R = 0.0720MU, 1/cm: µ = 180.468
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 55.133
Theta-Interval for CPDP: T/I = 1-45