The original sample description and vis-NIR spectrum was published in: 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., v.95, 12653-12680. The sample appears to be mineralogically and spectrally pure. IMAGE_OF_SAMPLE:
XRD Analysis
pure Analcime - by Norma Vergo
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