Anorthite

Spectrum Details

Modality

NIR

Category

mineral

Material Type

Tectosilicate

Sample ID

GDS28

Collection Locality

Synthetic

Spectral Purity

1a2a3a4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns

Composition / XRD

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

Sample Description

The original sample and mid-IR spectrum was described in: 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. From that study, the sample was described as pure. IMAGE_OF_SAMPLE:

XRD Analysis

Pure Anorthite.

X Units

cm⁻¹

Y Units

Absorbance

Data Points

2,126