Goethite0.02+Quartz

Spectrum Details

Modality

NIR

Category

soil

Material Type

Intimate

Sample ID

GDS240

Collection Locality

Goethite WS222 Superior Mine, Marquette, Michigan, USA

Spectral Purity

1a2_3_4_ # 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

Physical mixture of ground 2wt% Goethite WS222 with 98 wt% ground quartz. Quartz from a crystal of quartz with minimal fluid inclusions. Our goal was to unsaturate the Fe-absorptions.

XRD Analysis

see: Goethite WS222

X Units

cm⁻¹

Y Units

Absorbance

Data Points

2,126