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(For further information on spectroscopy, see:
http://speclab.cr.usgs.gov)
TITLE: Hematite FE2602 DESCRIPT
DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: FE2602
MINERAL_TYPE: Oxide
MINERAL: Hematite (Hematite group)
FORMULA: alpha-Fe2O3
FORMULA_HTML: alpha-Fe2O3
COLLECTION_LOCALITY: Larimer County, CO
ORIGINAL_DONOR: Colorado School of Mines
CURRENT_SAMPLE_LOCATION: CSES/CIRES, Univ. of CO, Boulder
ULTIMATE_SAMPLE_LOCATION: CSES/CIRES, Univ. of CO, Boulder
SAMPLE_DESCRIPTION:
Dimorphous with Maghemite.
IMAGE_OF_SAMPLE:
NO PHOTO
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Pure (?).
Kruse, F.A., P.L. Hauff, eds., 1992, The IGCP-264 Spectral Properties Database. IUGS/UNESCO, Special Publication, 211 p., (in press).
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem
COMPOSITION_TRACE:
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
average grain size= 18 µm
2 vol % pyroxene or feldspar contamination
red luster semi-transparent grains. G. Swayze.
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1b2_3_4_ # 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: | splib04a r 2132 | 0.2-3.0µm | 200 | g.s.= 18 µm |
| LIB_SPECTRA: | splib05a r 3158 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib06a r 9271 | g.s.= |