Card No: 1177       Created: 24/04/1990    Last edition: 13/01/2009

Name: DIOPSIDE
Specification: [3], structure type - diopside
Formula: CaMgSi2O6
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 9.5848 | b = 8.6365 | c = 5.1355 | beta = 103.9800
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 412.52
Number of Atomic Position
per full Unit Cell
:
P/U = 40 Molar Volume, cm3/mol: Vm = 62.12
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.49
R-factor: -MU, 1/cm: µ = 192.174
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