Card No: 244       Created: 14/02/1991    Last edition: 10/09/2014

Name: ANORTHITE
Specification: [2], at 1 bar, DF
Formula: CaAl2Si2O8
Symmetry Class: triclinic
Space Group: I 1(-)
Unit Cell
Parameters:
a = 8.1750 | b = 12.8730 | c = 14.1700 | alpha = 93.1100 | beta = 115.8900 | gamma = 91.2800
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 1337.80
Number of Atomic Position
per full Unit Cell
:
P/U = 112 Molar Volume, cm3/mol: Vm = 100.73
Number of Reflexes used in
Structure Determination
:

NR = 668
X-ray density, g/cm3: p = 2.76
R-factor: R = 0.0710MU, 1/cm: µ = 138.889
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 50.292
Theta-Interval for CPDP: T/I = 1-45