Montmorillonite

Spectrum Details

Modality

FTIR

Category

mineral

Material Type

Phyllosilicate

Sample ID

CM20

Collection Locality

Husband Mine, Polkville, Mississippi

Spectral Purity

1b2b3c4_ # CM20 # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns

Composition / XRD

XRF # 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 + trace quartz, the less than 2µm cut was pure smectite.

X Units

cm⁻¹

Y Units

Absorbance

Data Points

1,801