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(For further information on spectroscopy, see:
http://speclab.cr.usgs.gov)
TITLE: Goethite GDS134 DESCRIPT
DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: GDS134
MINERAL_TYPE: Hydroxide
MINERAL: Goethite
FORMULA: alpha-FeO(OH)
FORMULA_HTML: alpha-FeO(OH)
COLLECTION_LOCALITY: South Africa
ORIGINAL_DONOR: Dave Sherman
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
IMAGE_OF_SAMPLE:
No Image
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Found: Goethite plus unidentified reflection at 1.484 A Found: a jarosite mineral, subequal quartz, and minor goethite Comment: Goethite intensities match HS-36 and WS-220 (both in this report)
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
None.
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
mode:
vol%
vol%
vol%
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1b2b3b4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
| LIB_SPECTRA_HED: | where | Wave Range | Av_Rs_Pwr | Comment |
|---|---|---|---|---|
| LIB_SPECTRA: | xxx | xxx | 200 | g.s.= xxx |
| LIB_SPECTRA: | xxx | xxx | 200 | g.s.= |
| LIB_SPECTRA: | splib06a r 8232 | g.s.= | ||
| LIB_SPECTRA: | splib06a r 8252 | g.s.= |