Card No: 934       Created: 28/05/1990    Last edition: 13/01/2009

Name: CLINOFERROSILITE
Specification: [5], structure type - pigeonite, at 20oC
Formula: Mg0.31Fe0.67Ca0.015SiO3
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/c
Unit Cell
Parameters:
a = 9.6910 | b = 8.9930 | c = 5.2310 | beta = 108.6100
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 432.05
Number of Atomic Position
per full Unit Cell
:
P/U = 40 Molar Volume, cm3/mol: Vm = 32.53
Number of Reflexes used in
Structure Determination
:

NR = 1555
X-ray density, g/cm3: p = 3.74
R-factor: R = 0.0370MU, 1/cm: µ = 186.208
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 49.768
Theta-Interval for CPDP: T/I = 1-45