Card No: 1209       Created: 16/11/1992    Last edition: 13/01/2009

Name: DIOPSIDE
Specification: [35], structure type - diopside, In, Sc-analogue, at 1770oK+ 6 GPa
Formula: NaIn0.65Sc0.35Si2O6
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 9.8811 | b = 9.1043 | c = 5.3592 | beta = 107.1900
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 460.58
Number of Atomic Position
per full Unit Cell
:
P/U = 40 Molar Volume, cm3/mol: Vm = 69.36
Number of Reflexes used in
Structure Determination
:

NR = 774
X-ray density, g/cm3: p = 3.83
R-factor: R = 0.0316MU, 1/cm: µ = 378.165
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 98.790
Theta-Interval for CPDP: T/I = 1-45