Name: Erionite (K2,Ca,Na2)2Al4Si14O36.15H2O
Type: Mineral
Class: Silicate
Subclass: Tectosilicate
Particle Size: Solid
Sample No.: erionite_1
Owner: JHU
Wavelength Range: TIR
Origin: Donated by W. J. Ehmann;  Sample #15 from Rome, Oregon.
Collection Date: N/A
Description: The hand sample was a cream-colored, earthy mass.  As a result, the "solid" sample had very weak reststrahlen bands.  Petrographically the sample appeared to be pure.Sample was earthy surface.(Zeolite Group) Original ASTER Spectral Library name was jhu.nicolet.mineral.silicate.tectosilicate.solid.erioni1.spectrum.txt
Mineral:  Erionite (K2,Ca,Na2)2Al4Si14O36.15H2O

Sample No.: erionite.1

XRD Analysis:  Pure erionite.

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	60.80
Al2O3	13.10
FeTO3	2.54
MgO	1.19
CaO 	1.49
K2O	4.55
Na2O	2.31
TiO2	0.39
MnO	0.02
P2O5	<0.05
H2O	12.20
Other LOI	1.00
	_____
Total	99.64
