Card No: 6263       Created: 03/06/2005    Last edition: 14/05/2015

Name: GREIFENSTEINITE
Specification: [3], DN
Formula: (Fe,Mn,Zn)5Ca2Be4[PO4]6(OH)4 · 6H2O
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 15.9410 | b = 11.8770 | c = 6.6250 | beta = 95.0900
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 1249.37
Number of Atomic Position
per full Unit Cell
:
P/U = 120 Molar Volume, cm3/mol: Vm = 376.27
Number of Reflexes used in
Structure Determination
:

NR = 562
X-ray density, g/cm3: p = 3.02
R-factor: R = 0.0850MU, 1/cm: µ = 158.599
Wave Length for Calculated
Powder Diffraction Patterns
:
Co=1.78892Mass attenuation coefficient,
cm2/g
:
µ/p = 52.465
Theta-Interval for CPDP: T/I = 1-45