DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: GDS18
MINERAL_TYPE: Tectosilicate
MINERAL: Mordenite (Zeolite Group)
FORMULA: (Ca,Na2,K2)Al2Si10O24*7H2O
FORMULA_HTML: (Ca,Na2,K2)Al2Si10O24•7H2O
COLLECTION_LOCALITY: Challis, Idaho
ORIGINAL_DONOR: Dick Sheppard
CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory
SAMPLE_DESCRIPTION:
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
Mordentite - primary component
Probable small amount of plagioclase
Konnert, Judith and Marta Flohr, 1992, unpublished data, USGS Reston, VA.
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: 1b2b3b4_ # GDS18 # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns