Card No: 10559       Created: 4/07/18    Last edition: 09/10/2018

Name: ANORTHITE
Specification: [8]
Formula: CaAl2Si2O8
Symmetry Class: triclinic
Space Group: P 1(-)
Unit Cell
Parameters:
a = 8.1796 | b = 12.8747 | c = 14.1720 | alpha = 93.1000 | beta = 115.9000 | gamma = 91.2000
Number of Formula Unit: Z = 8Unit Cell Volume, Å3: Vc = 1338.99
Number of Atomic Position
per full Unit Cell
:
P/U = 104 Molar Volume, cm3/mol: Vm = 100.82
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.76
R-factor: -MU, 1/cm: µ = 138.766
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 50.292
Theta-Interval for CPDP: T/I = 1-35