Card No: 2660       Created: 27/02/1991    Last edition: 11/04/2017

Name: LUNEBURGITE
Specification: [1]
Formula: Mg3[H2O]6{B2(OH)6[PO4]2}
Symmetry Class: triclinic
Space Group: P 1(-)
Unit Cell
Parameters:
a = 6.3475 | b = 9.8027 | c = 6.2976 | alpha = 84.4600 | beta = 106.4000 | gamma = 96.4000
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 372.70
Number of Atomic Position
per full Unit Cell
:
P/U = 45 Molar Volume, cm3/mol: Vm = 224.49
Number of Reflexes used in
Structure Determination
:

NR = 2069
X-ray density, g/cm3: p = 2.20
R-factor: R = 0.0260MU, 1/cm: µ = 49.636
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 22.531
Theta-Interval for CPDP: T/I = 1-45