Name: Muscovite KAl2(Si3Al)O10(OH,F)2
Type: Mineral
Class: Silicate
Subclass: Phyllosilicate
Particle Size: Coarse
Sample No.: muscov_2
Owner: JHU
Wavelength Range: TIR
Origin: Fremont Co., Colorado via Hunt and Salisbury Collection #146B
Collection Date: N/A
Description: The hand sample appeared to be pure, transparent muscovite, but microscopic analysis showed a trace (<<1%) of what appeared to be quartz.  (However, no quartz bands are apparent in the infrared spectrum.). Particle size was 75-250  Micrometers.(Sheet Silicates); (MicaGroup) Original ASTER Spectral Library name was jhu.nicolet.mineral.silicate.phyllosilicate.coarse.muscov2.spectrum.txt
Mineral:  Muscovite KAl2(Si3Al)O10(OH,F)2

Sample No.: muscov.2

XRD Analysis  Pure muscovite.

Chemistry:  Volatile analysis by C. S. Papp, J. D. Sharkey, and K. J. 
Curry, and XRF analysis of the non-volatiles by J. Taggare, A. Bartel, 
and D. Diems, USGS Branch of Analytical Chemistry, Denver, showed:

SiO2	48.60
Al2O3	29.40
FeTO3 	5.80
MgO 	0.52
CaO	0.03
K2O	9.87
Na2O	0.40
TiO2	0.45
P2O5	<0.05
MnO	0.28
F	0.43
H2O	3.78
Other LOI	0.75
	_____
Total	100.36
