Sanidine

Spectrum Details

Modality

NIR

Category

mineral

Material Type

Tectosilicate

Sample ID

GDS19

Collection Locality

Volkesfeld bei kempenick, Eifel, Rheinland, Germany

Spectral Purity

1a2a3a4a # GDS19 # 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

"Results of petrographic examination: Hand sample is large (56.16g) fragment of what appears to be a badly fractured single crystal. Small fragments are transparent, but 'smoky'. Shows no significant contamination under the microscope." Salisbury, J. W., Walter, L. W., and Vergo, N., 1987, Mid-Infrared (2.1-25µm) Spectra of Minerals: First Edition, U.S. Geological Survey Open File Report 87-263. IMAGE_OF_SAMPLE:

XRD Analysis

Pure sanidine. (Norma Vergo)

X Units

cm⁻¹

Y Units

Absorbance

Data Points

2,126