Clark et. al. 2003 USGS Open File Report 03-395
Spectral Library splib05a Sample Description

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

TITLE: Heulandite NMNH84534 Zeolite DESCRIPT

DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: NMNH84534

MINERAL_TYPE: Tectosilicate

MINERAL: Heulandite (Zeolite group)

FORMULA: (Na,Ca)2-3Al3(Al,Si)2Si13O36*12H2O

FORMULA_HTML: (Na,Ca)_2-3Al₃(Al,Si)₂Si₁₃O₃₆•12H₂O

COLLECTION_LOCALITY: Teigarhom, Iceland

ORIGINAL_DONOR: Smithsonian

CURRENT_SAMPLE_LOCATION: USGS Reston, Virginia

ULTIMATE_SAMPLE_LOCATION: USGS Reston, Virginia

SAMPLE_DESCRIPTION:

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

Pure heulandite.

Ehman, W.J. and Norma Vergo, 1986, Spectral discrimination of zeolites and dioctahedral clays in the near-infrared. Remote Sensing for Exploration Geology, 5th Thematic Conference, Reno, Nevada, September 29-October 2, 1986, Proceedings, pp 417-425.

END_XRD_ANALYSIS.

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

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

None

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

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:	splib04a r 2153	0.2-3.0µm	200	g.s.=
LIB_SPECTRA:	splib05a r 3307	0.2-3.0µm	200	g.s.=

AccessibilityFOIAPrivacyPolicies and Notices
U.S. Department of the Interior | U.S. Geological Survey URL: https://pubsdata.usgs.gov/pubs/of/2003/ofr-03-395/DESCRIPT/M/heulandite_nmnh84534.html Questions or Assistance: USGS Web Contact Page Last Modified: Sat Jan 12 23:31 EST 2013