|
|
(For further information on spectrsocopy, see:
http://speclab.cr.usgs.gov)
TITLE: Buddingtonite NHB2301 DESCRIPT
DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: NHB2301
MINERAL_TYPE: Tectosilicate
MINERAL: Buddingtonite (Feldspar group)
FORMULA: (NH4)AlSi3O8*0.5H2O
FORMULA_HTML: (NH4)AlSi3O8•½H2O
COLLECTION_LOCALITY: Sharon Heights #2, San Mateo, CA
ORIGINAL_DONOR: Richard C. Erd, USGS Menlo Park, CA
CURRENT_SAMPLE_LOCATION: CSES/CIRES, Univ. of CO, Boulder
ULTIMATE_SAMPLE_LOCATION: CSES/CIRES, Univ. of CO, Boulder
SAMPLE_DESCRIPTION:
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Pure (?)
Kruse, F.A. and P.L. Hauff, eds., 1992, The IGCP-264 Spectral Properties Database. IUGS/UNESCO, Special Publication, 211p., (in press).
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
From composition analyses:
(NH4)2O = 8.34 wt%
other = .59 wt%
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
avg. gr sz = 8 µm
Purity of sample difficult to evaluate because of fine grain size. 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 754 | 0.2-3.0µm | 200 | g.s.= 8 µm |
| LIB_SPECTRA: | splib05a r 1428 | 0.2-3.0µm | 200 | g.s.= |
| AccessibilityFOIAPrivacyPolicies and Notices | |
 |
|