Card No: 3024       Created: 29/03/1989    Last edition: 18/04/2017

Name: MUSCOVITE
Specification: [4], 2M, at 300oC
Formula: (K,Na,Ca)(Al,Fe,Mg)(Si,Al)O10(OH)1.83F0.17
Symmetry Class: monoclinic-beta
Space Group: C 2/c
Unit Cell
Parameters:
a = 5.2150 | b = 9.0530 | c = 20.1500 | beta = 95.7200
Number of Formula Unit: Z = 4Unit Cell Volume, Å3: Vc = 946.57
Number of Atomic Position
per full Unit Cell
:
P/U = 76 Molar Volume, cm3/mol: Vm = 142.54
Number of Reflexes used in
Structure Determination
:

-
X-ray density, g/cm3: p = 2.78
R-factor: -MU, 1/cm: µ = 118.394
Wave Length for Calculated
Powder Diffraction Patterns
:
Cu=1.54056Mass attenuation coefficient,
cm2/g
:
µ/p = 42.578
Theta-Interval for CPDP: T/I = 1-45