Card No: 4828       Created: 31/07/2001    Last edition: 13/01/2009

Name: TREMBATHITE
Specification: [1]
Formula: [Mg1.55Fe1.43Mn0.02]B7O13Cl
Symmetry Class: trigonal
Space Group: R 3c
Unit Cell
Parameters:
a = 8.5880 | c = 21.0500
Number of Formula Unit: Z = 6Unit Cell Volume, Å3: Vc = 1344.52
Number of Atomic Position
per full Unit Cell
:
P/U = 144 Molar Volume, cm3/mol: Vm = 134.98
Number of Reflexes used in
Structure Determination
:

NR = 1472
X-ray density, g/cm3: p = 3.24
R-factor: R = 0.0320MU, 1/cm: µ = 119.910
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 37.003
Theta-Interval for CPDP: T/I = 1-45