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
_{For more information on the library, see:
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TITLE: Kieserite KIEDE1 DESCRIPT

DOCUMENTATION_FORMAT: MINERAL

SAMPLE_ID: KIEDE1.a, KIEDE1.b

MINERAL_TYPE: Sulfate

MINERAL: Kieserite

FORMULA: MgSO4*H2O

FORMULA_HTML: MgSO₄*H₂O

COLLECTION_LOCALITY: Kieser Germany

ORIGINAL_DONOR: R.V. Morris and Dough Ming

CURRENT_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory

ULTIMATE_SAMPLE_LOCATION: USGS Denver Spectroscopy Laboratory

SAMPLE_DESCRIPTION:

Sample is a white powder. Kieserite is a hydrous Mg-sulfate.

IMAGE_OF_SAMPLE:
NO PHOTO

END_SAMPLE_DESCRIPTION.

Not Available

XRD_ANALYSIS:

Sample is has kieserite, minor langbeinite, trace halite, and a possible trace of romerite. Sample XRD by Stephen Sutley.

END_XRD_ANALYSIS:

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

COMPOSITION_TRACE: None

COMPOSITION_DISCUSSION:

None

END_COMPOSITION_DISCUSSION.

MICROSCOPIC_EXAMINATION:

None END_MICROSCOPIC_EXAMINATION.

SPECTROSCOPIC_DISCUSSION:

Possible spectral features not due to kieserite may exist in the 1.9 and 2.1 micron regions. G. Swayze.

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1c2c3c4_ # Kieserite KIEDE1.a crse gr # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns
SPECTRAL_PURITY: 1c2_3_4_ # Kieserite KIEDE1.b fine gr # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns