Card No: 3659       Created: 21/09/1992    Last edition: 13/09/2016

Name: PHLOGOPITE
Specification: [2], DN
Formula: K2Mg6[Si6Al2]O20(OH)4
Symmetry Class: monoclinic-beta
Space Group: C 2/m
Unit Cell
Parameters:
a = 5.3220 | b = 9.2060 | c = 10.2400 | beta = 100.0300
Number of Formula Unit: Z = 1Unit Cell Volume, Å3: Vc = 494.03
Number of Atomic Position
per full Unit Cell
:
P/U = 44 Molar Volume, cm3/mol: Vm = 297.58
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.78
R-factor: R = 0.0660MU, 1/cm: µ = 112.234
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 40.313
Theta-Interval for CPDP: T/I = 1-45