Schwertmannite

Schwertmannite — NIR2,126 points · 400012500 cm⁻¹
400060008000100001200000.02000.04000.06000.08000.100Wavenumber (cm⁻¹)Absorbance

Spectrum Details

Modality
NIR
Category
mineral
Material Type
Sulfate
Sample ID
BZ93-1
Collection Locality
Deposits on banks and rocks downstream from alteration zones.
Spectral Purity
1b2_3_4_ # BZ93-1 # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
Composition / XRD
NONE # XRF, EPMA, ICP(Trace),WChem
Sample Description
Schwertmannite?? (poorly crystalline Fe3+ bearing mineral) IMAGE_OF_SAMPLE: NO PHOTO
XRD Analysis
Schwertmannite possible near detection limit, otherwise only quartz(trace). lab spectroscopy: amorphous Fe3+ bearing minerals.
X Units
cm⁻¹
Y Units
Absorbance
Data Points
2,126

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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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