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(For further information on spectrsocopy, see:
http://speclab.cr.usgs.gov)
TITLE: Dic.4+msc.3+gyp.2+jr.1 AMX20 DESCRIPT
DOCUMENTATION_FORMAT: Mixture
SAMPLE_ID: AMX20
MIXTURE_TYPE: Areal
MIXTURE: Dickite (Kaolinite-Serpentine group), Muscovite, Gypsum, Jarosite
FORMULA: Al2Si2O5(OH)4 + KAl2Si3O10(OH)2 + CaSO4*2H20 + K(Fe+3)3(SO4)2(OH)6
FORMULA_HTML: Al2Si2O5(OH)4 + CaSO4•2H20 + KAl2Si3O10(OH)2
+ KFe+33(SO4)2(OH)6
COLLECTION_LOCALITY: (Red Mountain, Colorado), (Brazil), (Washington County, Utah), (Synthetic)
ORIGINAL_DONOR: (National Museum of Natural History), (C.V. Clemency, SUNY), (Hunt and Salisbury Collection), (Synthetic)
CURRENT_SAMPLE_LOCATION: U.S.G.S. Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: U.S.G.S. Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
Added 3/27/00 BWR. Areal mix of 20% gypsum (HS333), 10% K jarosite (GDS99), and 30% medium-high Al muscovite(GDS113), and 40% dickite (NMNH106242).
See: Dickite (NMNH106242), Muscovite (GDS113), Gypsum (HS333), K Jarosite (GDS99).
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
See: Dickite (NMNH106242), Muscovite (GDS113), Gypsum (HS333), K Jarosite (GDS99).
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: none # XRF, EM(WDS), ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
See: Dickite (NMNH106242), Muscovite (GDS113), Gypsum (HS333), K Jarosite (GDS99).
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
See: Dickite (NMNH106242), Muscovite (GDS113), Gypsum (HS333), K Jarosite (GDS99).
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
See: Dickite (NMNH106242), Muscovite (GDS113), Gypsum (HS333), K Jarosite (GDS99).
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2_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: | splib05a r 8016 | 0.2-3.0µm | 200 | g.s.= |
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