TITLE: Rivadavite NMNH170164 DESCRIPT

DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: NMNH170164

MINERAL_TYPE: Hydrous 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:

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.

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: 1_2_3_4_

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 ____ 0.2-3.0µm 200 g.s.=

LIB_SPECTRA: splib06a r ____ 1.5-25µm 250 g.s.=