Card No: 7708       Created: 26/06/95    Last edition: 30/11/2021

Name: DISSAKISITE-(Ce)
Specification: [2], structure type - epidote
Formula: Ca(Ce,La)MgAl2Si3O12(OH)
Symmetry Class: monoclinic-beta
Space Group: P 2(1)/m
Unit Cell
Parameters:
a = 8.9050 | b = 5.6840 | c = 10.1130 | beta = 114.6000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 465.35
Number of Atomic Position
per full Unit Cell
:
P/U = 44 Molar Volume, cm3/mol: Vm = 140.15
Number of Reflexes used in
Structure Determination
:

NR = 1102
X-ray density, g/cm3: p = 3.99
R-factor: R = 0.0240MU, 1/cm: µ = 706.255
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 176.934
Theta-Interval for CPDP: T/I = 1-45