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(For further information on spectroscopy, see:
http://speclab.cr.usgs.gov)
TITLE: Hedenbergite NMNH119197 DESCRIPT
DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: NMNH119197
MINERAL_TYPE: Inosilicate
MINERAL: Hedenbergite (Pyroxene group)
FORMULA: CaFe+2Si2O6
FORMULA_HTML: CaFe+2Si2O6
COLLECTION_LOCALITY: unknown
ORIGINAL_DONOR: National Museum of Natural History
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
Forms series with Diopside and with Johannsenite.
IMAGE_OF_SAMPLE:
NO PHOTO
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Pure hedenbergite. Do not see orthopyroxene. exsolution. Norma Vergo
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem
COMPOSITION_TRACE:
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1b2c3b4_ # 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 1995 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib05a r 3147 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib06a r 9218 | g.s.= | ||
| LIB_SPECTRA: | splib06a r 9229 | g.s.= |