Montmorillonite SWy-1

Spectrum Details

Modality

NIR

Category

mineral

Material Type

Phyllosilicate

Sample ID

SWy-1

Collection Locality

Crook, Wyoming

Spectral Purity

1b2b3c4c # SWy-1 # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns

Composition / XRD

EM # XRF, EPMA, ICP(Trace), WChem

Sample Description

A spectrum for this sample was published by: Clark, R.N., T.V.V. King, M. Klejwa, G. Swayze, and N. Vergo, 1990, High spectral resolution reflectance spectroscopy of minerals: J. Geophys Res. 12653-12680. Who noted that it was spectrally pure. IMAGE_OF_SAMPLE: NO PHOTO

XRD Analysis

Analysis by Norma Vergo indicates the sample is smectite + quartz + feldspar; the less than 2µm cut is smectite + quartz.

X Units

cm⁻¹

Y Units

Absorbance

Data Points

2,126