Card No: 8439       Created: 18/04/12    Last edition: 16/03/2015

Name: CELADONITE
Specification: [3]
Formula: (K,Na)(Fe,Al,Mg)2[(Si,Al)4O10](OH)2
Symmetry Class: monoclinic-beta
Space Group: C 2/m
Unit Cell
Parameters:
a = 5.2313 | b = 9.0511 | c = 10.1380 | beta = 100.7000
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 471.66
Number of Atomic Position
per full Unit Cell
:
P/U = 38 Molar Volume, cm3/mol: Vm = 142.05
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 3.01
R-factor: -MU, 1/cm: µ = 180.306
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 59.970
Theta-Interval for CPDP: T/I = 1-45