DOCUMENTATION_FORMAT: MIXTURE
SAMPLE_ID: AMX6
MIXTURE_TYPE: Areal
MIXTURE: Calcite, Montmorillonite
FORMULA: CaCO3 + (Na,Ca)0.33(Al,Mg)2[(SiAl)4O10(OH)2]*nH2O
FORMULA_HTML: CaCO3 + (Na,Ca)0.33(Al,Mg)2Si4O10(OH)2•nH2O
COLLECTION_LOCALITY: (Tunguska, Siberia, USSR) (Apache County, Arizona)
ORIGINAL_DONOR: (Wards Scientific) (Clay Mineral Society)
CURRENT_SAMPLE_LOCATION: U.S.G.S. Denver spectroscopy Laboratory
ULTIMATE_SAMPLE_LOCATION: U.S.G.S. Denver spectroscopy Laboratory
SAMPLE_DESCRIPTION:
Calcite + 50% Ca-Mont. 08/29/85
See WS272, SAz-1.
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
See WS272, SAz-1.
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: none # XRF, EPMA, ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
See WS272, SAz-1.
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
See WS272, SAz-1.
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
See WS272, SAz-1.
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1b2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns