Pitch Limonite

Spectrum Details

Modality

NIR

Category

mineral

Material Type

Hydroxide

Sample ID

GDS104

Collection Locality

Yerrington, NV

Spectral Purity

1u2_3_4_ # GDS104 # 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

IMAGE_OF_SAMPLE:

XRD Analysis

45 kV - 35 mA, 7.3-9.5 keV File: plimo104.out, -.mdi References: All JCPDS entries for iron oxides-hydroxides-hydrates; Huebner's reference patterns. Found: not identified Comment: 4 very weak, very broad reflections at 2.9, 2.6, 1.6, and 1.5 Angstroms. Not much crystallinity. J.S.Huebner, J. Pickrell, T. Schaefer, written communication 1994

X Units

cm⁻¹

Y Units

Absorbance

Data Points

2,126