Card No: 2909       Created: 12/04/1989    Last edition: 18/06/2012

Name: MILARITE
Specification: [4], structure type - osumilite, Mn-analogue
Formula: K2Mn5[Si12O30] · H2O
Symmetry Class: hexagonal
Space Group: P 6/mcc
Unit Cell
Parameters:
a = 10.4570 | c = 14.2380
Number of Formula Unit: Z = 2Unit Cell Volume, Å3: Vc = 1348.32
Number of Atomic Position
per full Unit Cell
:
P/U = 100 Molar Volume, cm3/mol: Vm = 406.07
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.92
R-factor: -MU, 1/cm: µ = 284.635
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 97.477
Theta-Interval for CPDP: T/I = 1-45