Sample Description USGS Spectral Library Version 7

USGS Spectral Library Version 7 Sample Description

Kokaly, R.F., Clark, R.N., Swayze, G.A., Livo, K.E., Hoefen, T.M., Pearson, N.C., Wise, R.A., Benzel, W.M., Lowers, H.A., Driscoll, R.L., and Klein, A.J., 2017, USGS Spectral Library Version 7: U.S. Geological Survey Data Series 1035, 61 p., https://doi.org/10.3133/ds1035
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TITLE: Calcite+.33Muscov AMX5 Ruby DESCRIPT

DOCUMENTATION_FORMAT: MIXTURE

SAMPLE_ID: AMX5

MIXTURE_TYPE: Areal

MIXTURE: Calcite + Muscovite

FORMULA: CaCO3 + KAl2[AlSi3O10](OH,F)2

FORMULA_HTML: CaCO₃ + KAl₂[AlSi₃O₁₀](OH,F)₂

COLLECTION_LOCALITY: (Tunguska, Siberia, USSR) (Brazil)

ORIGINAL_DONOR: (Wards Scientific) (C.V. Clemency, SUNY).

CURRENT_SAMPLE_LOCATION: U.S.G.S. Denver Spectroscopy Laboratory

ULTIMATE_SAMPLE_LOCATION: U.S.G.S. Denver Spectroscopy Laboratory

SAMPLE_DESCRIPTION:

67% Calcite + 33% Muscovite 09/08/92

See WS272, GDS113.

END_SAMPLE_DESCRIPTION.

XRD_ANALYSIS:

See WS272, GDS113.

see:

END_XRD_ANALYSIS.

COMPOSITIONAL_ANALYSIS_TYPE: none # XRF, EPMA, ICP(Trace), WChem

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

See WS272, GDS113.

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

See WS272, GDS113.

END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

See WS272, GDS113.

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1a2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns