Clark and others 2007 USGS Data Series 231
Spectral Library splib06a Sample Description

(For further information on spectroscopy, see: http://speclab.cr.usgs.gov)

TITLE: Rivadavite NMNH170164 DESCRIPT

DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: NMNH170164

MINERAL_TYPE: Borate

MINERAL: Rivadavite

FORMULA: Na6MgB24O40*22H2O

FORMULA_HTML: Na₆MgB₂₄O₄₀•22H₂O

COLLECTION_LOCALITY: Argentina

ORIGINAL_DONOR: Smithsonian

CURRENT_SAMPLE_LOCATION: USGS Reston, Virginia

ULTIMATE_SAMPLE_LOCATION: USGS Reston, Virginia

SAMPLE_DESCRIPTION:

Hydrous borate Spectrum originally published in:
Crowley, J.K., 1993, Mapping playa evaporite minerals with AVIRIS data: A first Report from Death Valley, California: Remote Sensing of Environment, vol 44, p 337-356.

IMAGE_OF_SAMPLE:

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

Pure rivadavite.

Crowley, J.K., 1993, Mapping playa evaporite minerals with AVIRIS data: A first Report from Death Valley, California: Remote Sensing of Environment, vol 44, p 337-356.

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1a2a3a4a # 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 4262	0.2-3.0µm	200	g.s.=
LIB_SPECTRA:	splib05a r 5989	0.2-3.0µm	200	g.s.=
LIB_SPECTRA:	splib06a r 19626			g.s.=
LIB_SPECTRA:	splib06a r 19638			g.s.=