DOCUMENTATION_FORMAT: Man_Made
SAMPLE_ID: 10917 Stock no., Lot no. G17T013
MATERIAL_TYPE: Chemical Reagent
MATERIAL: Rare Earth Oxide
FORMULA: Tb4O7 (both III, and IV)
FORMULA_HTML: Tb4O7
COLLECTION_LOCALITY: Alfa Aesar, A Johnson Matthey Company, Massachusetts, USA
ORIGINAL_DONOR: Steve Wilson USGS
CURRENT_SAMPLE_LOCATION: USGS Denver Bld. 20 Room G1509
ULTIMATE_SAMPLE_LOCATION: USGS Denver Bld. 20 Room G1509
SAMPLE_DESCRIPTION:
Terbium oxide chemical reagent 99.998% pure.
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
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: 1a2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns