Card No: 2963       Created: 12/05/1988    Last edition: 13/01/2009

Name: MONTICELLITE
Specification: [1], structure type - monticellite
Formula: MgCaSiO4
Symmetry Class: orthorhombic
Space Group: P bnm
Unit Cell
Parameters:
a = 4.8220 | b = 11.1080 | c = 6.3820
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 341.84
Number of Atomic Position
per full Unit Cell
:
P/U = 28 Molar Volume, cm3/mol: Vm = 51.48
Number of Reflexes used in
Structure Determination
:

NR = 345
X-ray density, g/cm3: p = 3.04
R-factor: R = 0.0700MU, 1/cm: µ = 191.702
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 63.075
Theta-Interval for CPDP: T/I = 1-45