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(For further information on spectroscopy, see:
http://speclab.cr.usgs.gov)
TITLE: Vermiculite WS681 DESCRIPT
DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: WS681
MINERAL_TYPE: Phyllosilicate
MINERAL: Vermiculite
FORMULA: (Mg,Fe+2,Al)3(Al,Si)4O10(OH)2*4H2O
FORMULA_HTML: (Mg,Fe+2,Al)3(Al,Si)4O10(OH)2•4H2O
COLLECTION_LOCALITY: Kent, Connecticut
ORIGINAL_DONOR: Ward Natural Science Collection
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
IMAGE_OF_SAMPLE:
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Vermiculite and mica-rich mixed layer phase, probably dioctahedral (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: 1c2c3c4_ # 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 5137 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib05a r 7002 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib06a r 23472 | g.s.= | ||
| LIB_SPECTRA: | splib06a r 23483 | g.s.= |