Kaolinite CM9

Kaolinite CM9 — FTIR1,801 points · 4004000 cm⁻¹
500100015002000250030003500400000.02000.04000.06000.0800Wavenumber (cm⁻¹)Absorbance
Kaolinite CM9 sample photograph, USGS Spectral Library Version 7
Sample photograph — USGS Spectral Library v7

Spectrum Details

Modality
FTIR
Category
mineral
Material Type
Phyllosilicate
Sample ID
CM9 (also known as API9)
Collection Locality
Mesa Alta, New Mexico
Spectral Purity
1b2b3b4b # 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
Polymorphous with Dickite, Halloysite, and Nacrite. A spectrum for this sample was published by: Clark, R.N., King, T.V.V., Klejwa, M., Swayze, G.A., and Vergo, N., 1990, High spectral resolution reflectance spectroscopy of minerals: Journal of Geophysical Research, v. 95, no. 8B, p 12,653-12,680. who noted that it was spectrally pure. IMAGE_OF_SAMPLE:
XRD Analysis
Analysis by Norma Vergo indicates the sample is well ordered kaolinite. The less than 2µm cut is kaolinite + small amount of quartz.
X Units
cm⁻¹
Y Units
Absorbance
Data Points
1,801

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Attribution

USGS Spectral Library Version 7, U.S. Geological Survey

License: Public Domain

DOI: 10.3133/ds1035

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