Jarosite

Spectrum Details

Modality

NIR

Category

mineral

Material Type

Sulfate

Sample ID

GDS100

Collection Locality

Synthetic

Spectral Purity

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

Composition / XRD

None # XRF, EPMA, ICP(Trace), WChem COMPOSITION_TRACE:

Sample Description

Sample synthesized at 90 C IMAGE_OF_SAMPLE:

XRD Analysis

40 kV - 30 mA, 7.3-6.5 keV Reference: JCPDS #30-1203 (natrojorosite) Found: natrojarosite Comment: GDS100 is sharp, indicating good crystallinity. GDS is distinctly sharper, with better resolved peaks. Good correspondence with the JCPDS data. No additional reflections observed. J.S. Huebner, J. Pickrell, and T. Schaefer, 1994, written communication.

X Units

cm⁻¹

Y Units

Absorbance

Data Points

2,126