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.
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, EPMA, ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1a2a3a4a # NMNH170164 # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns