Card No: 8911       Created: 30/09/13    Last edition: 08/12/2016

Name: THAUMASITE
Specification: [6]
Formula: Ca3Si(OH)6[SO4][CO3] · 12H2O
Symmetry Class: hexagonal
Space Group: P 6(3)
Unit Cell
Parameters:
a = 11.0700 | c = 10.4397
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 1107.93
Number of Atomic Position
per full Unit Cell
:
P/U = 62 Molar Volume, cm3/mol: Vm = 333.67
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 1.78
R-factor: -MU, 1/cm: µ = 88.207
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 49.470
Theta-Interval for CPDP: T/I = 1-45