Card No: 3967       Created: 27/09/1994    Last edition: 28/04/2017

Name: RIBBEITE
Specification: [1], DN
Formula: Mn5(OH)2[SiO4]2
Symmetry Class: orthorhombic
Space Group: P nma
Unit Cell
Parameters:
a = 10.7320 | b = 15.6720 | c = 4.8110
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 809.17
Number of Atomic Position
per full Unit Cell
:
P/U = 88 Molar Volume, cm3/mol: Vm = 121.85
Number of Reflexes used in
Structure Determination
:

NR = 1131
X-ray density, g/cm3: p = 4.04
R-factor: R = 0.0370MU, 1/cm: µ = 685.453
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 169.480
Theta-Interval for CPDP: T/I = 1-45