DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: S26-8
MINERAL_TYPE: Sulfide
MINERAL: Pyrite (Pyrite group)
FORMULA: FeS2
FORMULA_HTML: FeS2
COLLECTION_LOCALITY: Ellenville (Ulster) Mine, Ellenville, Ulster County, NY
ORIGINAL_DONOR: Jules Friedman Field Sample
CURRENT_SAMPLE_LOCATION: USGS Reston, VA
ULTIMATE_SAMPLE_LOCATION: USGS Reston, VA
SAMPLE_DESCRIPTION:
Forms series with Cattierite (CoS2). Dimorphous with Marcasite.
Field sample from a study done on the Shawangunk Region of New York.
For specific sample information refer to the following reference: Friedman, Jules D., Mutschler, Felix E., Zartman, Robert E., Briggs, Paul H., Swayze, Gregg A., Theisen, Arnold F., 1989, Shawangunk Ore District, New York: Geochemical and Spectral Data, U.S. Geological Survey Open File Report 89-193.
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: ICP # XRF, EM(WDS), ICP(Trace), WChem
| COMPOSITION_TRACE: | Ag | <2.5 | ppm |
| COMPOSITION_TRACE: | As | 650 | ppm |
| COMPOSITION_TRACE: | Au | 0.220 | ppm |
| COMPOSITION_TRACE: | Cd | 10 | ppm |
| COMPOSITION_TRACE: | Cr | 250 | ppm |
| COMPOSITION_TRACE: | Cu | 30 | ppm |
| COMPOSITION_TRACE: | Hg | 0.035 | ppm |
| COMPOSITION_TRACE: | Mn | 35 | ppm |
| COMPOSITION_TRACE: | Ni | 50 | ppm |
| COMPOSITION_TRACE: | Pb | 40 | ppm |
| COMPOSITION_TRACE: | Sb | <25 | ppm |
| COMPOSITION_TRACE: | Se | <25 | ppm |
| COMPOSITION_TRACE: | Te | 0.11 | ppm |
| COMPOSITION_TRACE: | Tl | <0.2 | ppm |
| COMPOSITION_TRACE: | V | 20 | ppm |
| COMPOSITION_TRACE: | Zn | 20 | ppm |
COMPOSITION_DISCUSSION:
Mode wt%
Gal
Sph
Cpy
Py 95.0
Qtz 5.0
Assay wt%
Cu <0.01
Fe 43.43
Pb <0.01
Zn <0.01
S 44.8
Friedman, Jules D., Mutschler, Felix E., Zartman, Robert E., Briggs, Paul H., Swayze, Gregg A., Theisen, Arnold F., 1989, Shawangunk Ore District, New York: Geochemical and Spectral Data, U.S. Geological Survey Open File Report 89-193.
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1_2_3_4_
LIB_SPECTRA_HED: where Wave Range Av_Rs_Pwr Comment
LIB_SPECTRA: splib04a r 4019 0.2-3.0µm 200 g.s.=
LIB_SPECTRA: splib05a r ____ 0.2-3.0µm 200 g.s.=
LIB_SPECTRA: splib06a r ____ 1.5-25µm 250 g.s.=