DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: GDS152
MINERAL_TYPE: Tectosilicate
MINERAL: Clinoptilolite (Zeolite group)
FORMULA: (Na,K,Ca)2-3Al3(Al,Si)2Si13O36*12H2O
FORMULA_HTML: (Na,K,Ca)2-3Al3(Al,Si)2Si13O36•12H2O
COLLECTION_LOCALITY: Castle Creek, Idaho
ORIGINAL_DONOR: Jim Crowley
CURRENT_SAMPLE_LOCATION: USGS Reston, Virginia
ULTIMATE_SAMPLE_LOCATION: USGS Reston, Virginia
SAMPLE_DESCRIPTION:
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
We assume this sample is pure or nearly so as it is presented in:
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, EPMA, ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
None
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1b2b3b4b # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns