DOCUMENTATION_FORMAT: MINERAL
SAMPLE_ID: GDS978, GDS978 86K, GDS978 295K
MINERAL_TYPE: Organic Compound/Hydrocarbon
MINERAL: Karpatite
FORMULA: C24H12
FORMULA_HTML: C24H12
COLLECTION_LOCALITY: Sample is from the New Idria Mining District, San Bernadino County, California
COLLECTION_LATITUDE: Not Available # degrees and decimal minutes (N or S)
COLLECTION_LONGITUDE: Not Available # degrees and decimal minutes (W or E)
DATUM: Not Available # coordinate datum
ORIGINAL_DONOR: Purchased from Ibrahim Jameel mineral dealer
CURRENT_SAMPLE_LOCATION: USGS Spectroscopy Lab
ULTIMATE_SAMPLE_LOCATION: USGS Spectroscopy Lab
SAMPLE_DESCRIPTION:
Sample had acicular crystal formed in a carbonate matrix and was light green in color. The crystal were separated from the matrix though residual carbonate may remain attached
IMAGE_OF_SAMPLE: Not Available
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
=description here=
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EPMA, ICP(Trace), WChem
COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
No additional compositional details available.
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
END_MICROSCOPIC_EXAMINATION.
SPECTROSCOPIC_DISCUSSION:Spectrum matches well with Sigma Aldrich Reagent Coronene which has the same molecular structure. There are impurities from the host rock
END_SPECTROSCOPIC_DISCUSSION.
SPECTRAL_PURITY: 1b2b3u4u # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns